Warranty Booklet Page 1 of 42
Contents Our Company... 3 To Users... 4 Higer Bus Warranty Terms... 6 Periodical Maintenance Regulation... 12 Appendix 1 Oil, Fluid and Grease... 36 Appendix 2 Vehicle Information Record... 37 Appendix 3 Service Station... 38 Appendix 4 Higer Bus Maintenance Records... 39 Page 2 of 42
Our Company Contents Higer Bus Company Limited, located in the Suzhou Industrial Park jointly established by China and Singapore, is one of the largest and most powerful bus and coach manufacturers in China. Higer Bus has total assets of RMB 2.5 billion and 3280 staff, of whom 1100 are engineers and has the capability of making 22,000 large and medium buses and coaches (including chassis) a year. It has the post-doctoral station, the provincial R&D center, the highspeed bus R&D center and the modern bus manufacture base. With the tile of Famous Brand in China authorized by Chinese government, Higer bus has gained ISO/TS16949, CCC and Exemption from Inspection for Export of China. Higer bus has manufactured 50 series, that is, 300 models of buses and coaches including the series of H, A, V, W, B and star, which cover coaches, city buses and commuter buses. It has not only been well sold to domestic market, but also developed rapidly in South Asia, Middle East, Africa, Russia and East Europe. Focus on safety is our brand philosophy. Higer takes you higher is what we shall pursue forever. Page 3 of 42
To Users To users 1. This Warranty Booklet shall be delivered together with the relative vehicle. It is the warranty agreement between Higer Bus and its customers. The users are kindly advised to read the Warranty Booklet carefully and always keep it with the vehicle. The Warranty Booklet shall not be provided again in case of loss. 2. Please read the User s Manual seriously in order to get familiar with the vehicle performance and operate the vehicle properly. 3. In order to keep the vehicle in good condition and with few malfunctions and ensure the safe and prolonged use of the vehicle, please do the grade A, B, C and D maintenance according to the Maintenance Regulation of this Warranty Booklet. 4. Running-in maintenance shall be performed in the Higer Bus authorized service stations after running for 3000 km or six months after delivery, whichever comes first. Page 4 of 42
To users 5. Grade D maintenance shall be performed in the Higer Bus authorized service stations every 10000-12000 km or four months, whichever comes first. 6. Vehicles without running-in maintenances or maintained not in conformity with the Periodical Maintenance Regulation of this Warranty Booklet shall result in the refusal of warranty application. 7. If the vehicle is used under harsh conditions such as dusty and extreme weather condition, please properly add maintenance in reference to the Periodical Maintenance Regulation. 8. To ensure that you can use the parts and components approved by Higer Bus, please apply the maintenance and service in the Higer authorized service stations. Page 5 of 42
Higer Bus Warranty Terms Appendix 1. Scope 1.1 This warranty applies to the buses, coaches and KD products manufactured by Higer Bus Company Limited (hereafter Higer Bus ) and exported to the countries or areas excluding the mainland of China. 1.2 Based on the terms of the warranty, the overseas service department of Higer Bus shall supervise its service personnel and authorized overseas service stations to implement this warranty. 2. Definition 2.1 KD products: The products which are manufactured in the CKD(Completely Knock Down) or SKD ( Semi Knock Down ) cooperation projects and conform to the design and manufacture standards of Higer Bus. 2.2 Warranty: Under the operation conditions and within the period regulated by Higer Bus, the defect parts shall be repaired or replaced free of charge to ensure the normal operation of the vehicles in case of vehicle or part failure (ineffectiveness) caused by the low material quality or faults of design, manufacture or assembly. Page 6 of 42
Appendix 3. Warranty scope 3.1 On the premise that the vehicles are operated and maintained compliant with the Higer Bus Warranty Booklet and Higer Bus User s Manual, and except the items in the Warranty Limitation and within the warranty period, the service stations authorized by Higer Bus shall judge the defective parts and components and repair free of charge the ones whose defects are caused by the low quality of products or poor manufacture so that the products can recover their normal performance. 3.2 The warranty parts shall be replaced only if repair is unsuccessful. 3.3 The assemblies shall be repaired or replaced only if the repair or replacement of parts is unsuccessful. Page 7 of 42
4. Warranty period Appendix Item Complete vehicle warranty period Parts warranty period Regulation 1) Warranty time: Within 18 months from the day the vehicle is legally licenced or 24 months from the day the vehicle leaves Higer factory (date on the vehicle nameplate), whichever comes first. 2) Warranty mileage: within 120, 000 km. 3) The warranty period shall expire whichever of the above two items comes first. 4) It excludes the items in the Warranty limitation. When the parts in the complete vehicles have been repaired or replaced based on the warranty terms, the warranty period of the repaired or new parts shall be the remaining period of the original ones. 5. Warranty limitation This warranty shall not apply to any of the following, 5.1 The vehicles, components or parts exceeding the warranty period stipulated herewith. Page 8 of 42
Appendix 5.2 Not presenting this Warranty Booklet, presenting the damaged Warranty Booklet or the Warranty Booklet with incorrect record while without evidence of being within warranty period. 5.3 No immediate repair of failed odometer resulting in no record of actual running distance. 5.4 Failing to maintain the vehicle regularly in the Higer authorized service stations based on this Warranty Booklet. 5.5 The components and parts defects caused by improper use, adjustment or maintenance or modification by users. 5.6 Repair not in the Higer authorized service stations or the components and parts defects by virtue of installation of parts or components not from Higer Bus. 5.7 The necessary replaced or added auxiliary material and normal wear and tear parts including all kinds of oil, fluid or grease in the lubrication, cooling and transmission system and oil seal, belt, rubber strips, brake linings, filters, bulbs, fuse, wiper blades, clutch discs, brake lining, brake drums, tyres and battery. 5.8 The damages and defects as a result of the Force Majeure including natural disaster such as flood, earthquake or fire disaster; or terrible climate such as acid rain causing painting corrosion or body rusty, extreme temperature or high humidity, etc. 5.9 Expense caused other than service and parts replacement including but not limited to operation loss, compensation, accommodation, towing, vehicle renting, passenger transferring, parking, Page 9 of 42
Appendix management, insurance, penalty, interest or salary loss, etc. 5.10 Expense of labor and materials caused by regular inspection, adjustment and maintenance regulated in this Warranty Booklet. 5.11 When the vehicles are used on special conditions such as racing, performance, being stolen or compulsory requisition. 6. Warranty process 6.1 The customer shall contact the Higer authorized service station or its agent timely when malfunction and defects occur to the vehicle in the warranty period. 6.2 The customers shall present this Warranty Booklet and relative documents to apply for warranty. 6.3 The service stations shall approve and implement the warranty only when having inspected the malfunctions of the vehicles and confirmed the conformity to the warranty terms. 6.4 After repair, the customers shall check and confirm the repair record and the vehicles being repaired. 7. Supplementary 7.1 In case that this warranty is not in conformity toany local regulations, the local service Page 10 of 42
Appendix stations or agents shall provide Higer Bus with the written local regulations and Higer shall reevaluate the conformity to the warranty terms for the areas. 7.2 Higer Bus reserves the right to amend, complement, cancel and explain the warranty terms. 7.3 In case of misunderstanding or dispute of the terms, the English version shall prevail. 7.4 These terms, as a pact between Higer Bus and its customers, shall be effective from the date of signing sales contract. Higer Bus Company Limited Dec.,2010 Page 11 of 42
Periodical Maintenance Regulation Appendix 1. Purpose Standardize the maintenance regulations, help customers keep the vehicle in good technical condition, reduce the malfunctions and ensure safe and prolonged use of the vehicles. 2. Maintenance classification and period Classification Period Remark A: Running-in maintenance B: Routine maintenance C: Elementary maintenance The vehicle has run for 3000km for the first time or six months after the date of delivery (date on the nameplate), which ever comes first. Before, during and after driving each time. Every 5000-6000 km. For the vehicles not used often, the longest interval should not be more than two month. D: Complete maintenance Every 10000-12000 km. For the vehicles not used often, the longest interval should not be more than four month. Page 12 of 42
Appendix 3 Maintenance 3.1 A: running-in maintenance Running-in maintenance shall be performed by the Higer authorized service stations, which includes overall inspection and essential adjustment and maintenance like cleaning, lubrication and tightening so that the vehicle can keep a good condition. 3.2 B: routine maintenance Routine maintenance shall be performed by the users. Clean the surface of the vehicle and engine. Check or fill the oil, grease, fuel, coolant, brake fluid, A/C refrigerant and tyre air pressure. Check the systems of safety such as brake, steering, transmission, suspension, lamps and signals. 3.3 C: elementary maintenance Besides the items of the routine maintenance, apply the cleaning, lubrication and tightenting and check the safety parts such as brake and operation system. 3.4 D: complete maintenance Complete maintenance shall be performed by Higer authorized service stations. Check and adjust the safety parts such as steering knuckles, steering rocker arms, brake shoes and suspension systems, which shall be worn after a period of operation. Check and perform transposition of tyres. Check the engine and exhaust pollution controlling device. Page 13 of 42
3.5 Grade A maintenance and technical requirements Appendix Component No. Item Technical Requirement Engine and Auxiliary System Clutch 1 Implement running-in maintenance of the engine according to requirements of the engine manufacturers. 2 Check and fasten foot pad of the engine. Tighten. Subject to Users Manual and Warranty Booklet of the engine. 3 Check fuel supply system Check whether the fuel supply system leaks. 4 Check intake system of the engine. 5 Check exhaust system of the engine. 6 Check cooling system. 7 Check fan driver. Intake system does not leak. Rubber is assembled reliably without loosening and interference. Exhaust system does not leak. Exhaust bellow is located naturally and vertically with expansion. Cooling system does not leak; level of coolant complies with requirement. Apply maintenance and inspection based on regulations. 8 Check and adjust belt tension. 40N, deflection 10~12mm. 9 Check the working of clutch. 10 Check and adjust free stroke of clutch pedal and free stroke of clutch booster. 11 Check clutch pipe and sealing of connectors No leakage. It should be with complete disengagement and stable engagement. Free stroke of pedal 20~30mm; free stoke of sub-pump 3~5mm. Page 14 of 42
Appendix Component No. Item Technical Requirement Gearbox and transmission system Front and rear axle 12 Check level of fluid reservoir. Level is within the range of required level. 13 Check gearbox fluid and clean vent hole. 14 Check and adjust steering control mechanism. 15 Check and fasten supporting parts. Tighten. 16 17 18 19 20 Check and fasten connecting bolts and nuts of propeller shaft. Apply grease to each lubrication point of propeller shaft. Replace gear oil of rear axle differential and clean vent hole. Check and fasten bolts and nuts of all components of front axle. Check and fasten bolts and nuts of rear axle housing, differential housing and half axle. 21 Maintain four wheels and fasten wheel nuts. Meet the requirements of maintenance of gearbox. 85W/90 API GL-4 Class; (special tips: replace oil automatic gearbox according to regulations). 90~100N.m. 2# high quality general purpose lithium grease. 85W/90 API GL-5; (special tips: replace oil of Meritor rear axle and ZF rear axle according to regulations). Tighten and no loose Tighten and no loose 2# high quality general purpose lithium grease and subject to specified torque (special tips: implement according to regulations for Meritor axle and ZF axle). Page 15 of 42
Appendix Component No. Item Technical Requirement Brake 22 Check air pressure of tyre. Subject to the requirement. 23 Check and adjust free stroke of brake pedal Free stroke: 5~10mm. 24 Check brake of complete vehicle. 25 Check and fasten nuts of front and rear brake bac plate. 26 Check brake pipe and sealing of connector. No leakage. Adjust brake clearance as required. Replace brake shoes if it is needed. In case of maximum efficiency of brake, pedal stoke should not exceed 3/4 of total stoke. Subject to specified torque. 27 Adjust front wheel toe-in. Radial tyre for 1.5mm; bias tyre for 1.5~3mm. Steering Other chassis parts 28 Replace power steering fluid and filter cartridge. Replace steering oil according to specified oil. 29 Check working situation of steering system. Steering wheel can be rotated at maximum ±10 degrees of the middle. 30 Check and fasten connecting bolts and nuts of e Steering does not interfere; ball is not loose; knuckle of steering mechanism. cotter pin is good. 31 Check and fasten tightening bolts and connecting body and chassis. 32 Lubricate lubrication points of complete vehicle. 2# high quality general purpose lithium grease. 33 Check shock absorber. Shock absorber does not leak and is not locked; bolts are tightened. Page 16 of 42
Appendix Component No. Item Technical Requirement Electric devic Technical training 34 Check and fasten bolts and nuts of front and rear springs. Subject to specified torque. 35 Check the retarder. Check differential clearance and install fixed bolt. 36 Check height of airbag and wash air cleane protection valve. 37 Check the light and signal device. 38 Check wire harness. 39 Correct operation. 40 Correct maintenance Adjust and wash according to regulations. Check whether insulation of wire harness is good and whether there are friction and interference. Do not drive by neutral gear with the engine switched off and do not make the engine operate at idle speed for long. According to regulations of regular maintenance of the vehicle, replace engine oil and diesel filter and apply grease. Importance of checking brake and direction daily. Knowledge of engine maintenance. Page 17 of 42
Appendix 3.6 Grade C maintenance and technical requirements No. Item Maintenance Technical Requirements 1 Ignition system Check and adjust. Operate normally. 2 Air clean cartridge, air clean Each filter should be clean without cartridge of air compressor, damages and sealed well. Assembly crankshaft ventilation, Clean or replace is firm and intake pipe is assembled engine oil cartridge and fuel reliably. cartridge. Crankshaft fuel level, 3 coolant level and brake fluid Check Compliant with regulations. level. 4 Crankshaft ventilator, three way catalyst converter. Appearance check Complete and not damaged. 5 Connecting bolts of front and Bolts and nuts of each connection rear engine brackets, rubber part should be fastened. Lock pin, pad, water pump, air Check and tighten washer and rubber pad should be compressor, oil pump, good and effective. injection pump of the engine 6 Belts of air compressor, Check abrasion and aging of the belt and alternator and A/C adjust the belt tightening. compressor. Compliant with regulations. Page 18 of 42
Appendix No. Item Maintenance Technical Requirements Check level of steering gear and the 7 Steering system sealing; check cross axle of universal joint, steering shaft, ball pin and steering knuckle. 8 Clutch Check and adjust the clutch. Check level and sealing of gearbox and differential; lubricate universal joint cross 9 Gearbox and differential axle of propeller shaft and intermediate support; fasten connecting bolts of each part; clean each vent plug. Check and fasten each brake pipe; 10 Brake system and retarder check and adjust free stroke of brake pedal and retarder clearance; Check the installation and fixing. Page 19 of 42 Compliant with regulations. Control mechanism should be sensitive and reliable. Free stroke of pedal should comply with regulations. Compliant with regulations. Connector of brake pipe does not leak. support bolt is firm and reliable. Brake linkage mechanism should be sensitive and reliable. Airreserve tank has no accumulated water. Free stroke of brake pedal and retarder clearance comply with regulations.
Appendix No. Item Maintenance Technical Requirements 11 Vehicle frame, body and accessories Check and tighten. Check rim and trim strip washer; check 12 Tyre air pressure of tyres (including spare tyres) and charge them if it is needed; check clearance of hub bearing. 13 Suspension Check 14 Accumulator Check 15 Light, instrument and signal device Check 16 Lubrication points of complete vehicle Lubricate Bolts and hooks of each part should be firm and reliable without cracks and movement. They should be complete and effective. Hub and strip washer have no cracks or transformation. Air pressure of tyres should comply with regulations. Valve nozzle is complete. Bearing clearance is not loose obviously. Reliable connection without damages. Level of electrolyte should comply with regulation. Vent hole is smooth. Clamp of electrical connection is clean and firm. Complete and effective. Firm assembly. Each lubrication point is assembled correctly. Complete and effective. Page 20 of 42
Appendix No. Item Maintenance Technical Requirements 17 Complete vehicle Check No oil leakage. No water leakage. No gas leakage. No electricity leakage. No dust leakage. various dust covers are complete and effective. Page 21 of 42
Appendix 3.7 Grade D maintenance and technical requirements No. Item Maintenance Technical Requirements 1) Specifications and performance index of lubricating oil comply with regulations. 1 Engine oil and oil filter 1) Check and replace lubricating oil. 2) Check and replace engine oil filter. 2) Fluid level complies with regulations. 3) Engine oil filter is sealed well without blocking; complete and effective. 4) Replacement of lubricating oil and filters should be subject to the User s Manual. 2 Check fluid level Check fluid specifications and level of steering gear, gearbox, final drive and fan drive. Add it in case of insufficiency. Replace them if it is needed. The replacement period of fluid should be compliant with the maintenance requirements of the relative assemblies. 3 Air cleaner Clean air cleaner. Air cleaner is effective with reliable installation. 4 1) Fuel tank and pipe 2) Fuel filter 3) Fuel pump 1) Check connectors and sealing. 2) Clean fuel filter or replace it if it is needed. 3) Check fuel pump and replace if it is necessary. 1) Connectors have no damages or leakage; firm and reliable. 2) Fuel filter works normally. 3) Fuel pump works normally; oil pressure complies with regulations. Page 22 of 42
No. Item Maintenance Technical Requirements Appendix Fuel 5 evaporation controlling device Check and clean; replace if necessary. Operate normally. Clean and smooth. Reliable connection. No 6 Crankshaft ventilator Check and clean. leakage. Each valve is not blocked or delayed. Sensitive and effective. Compliant with regulations. 7 Radiator, expansion water tank, shutters, water pump, thermosta t and transmissi on belt 1) Check sealing, pressure valve of tank cover, fluid level and water pump. 2) Check appearance of the belt and adjust tightening of the belt. 1) Radiator and hose have no transformation, damages or leakage. Connection surface of tank cover is good. Rubber pad is not aged. Starting pressure of pressure valve of tank cover complies with requirements. water pump does not leak. No abnormal noise. working performance of thermostat complies with regulations. 2) Belt has no cracks and over abrasion. The surface has no oil. Belt tightening complies with regulations. Page 23 of 42
No. Item Maintenance Technical Requirements Appendix 1) Intake and 8 exhaust manifolds, muffler and exhaust pipe 2) cylinder head 1) Check and fasten. repair welding or replace. 2) Fasten cylinder head according to specified sequence and tightening torque. 1) No cracks or leakage. Good performance of muffler. 2) Tightening torque complies with regulations. Turbochar 9 ger and intercooler Check and clean. Compliant with regulations. 10 Engine bracket Check and tighten. Connection is firm without transformation or cracks. 11 Fuel injector and fuel pump Check the injector and pump. If necessary, inspect the injection and its pressure and adjust the fuel supply advance angle. 1) Atomization of injector is good. No oil dripping or leakage. Injecting pressure complies with regulations. 2) Fuel supply advance angle complies with regulations. Page 24 of 42
No. Item Maintenance Technical Requirements Appendix Valve 12 clearance Electrical fuel injection 13 system supply pipeline Three way 14 catalyst 15 Clutch 16 Front wheel Check and adjust. Check the sealing. Check three way catalyst and replace it if necessary. Check and adjust the free stroke of clutch pedal. 1)Check function of adjusting arm of front wheel brake. 2) Disassemble front hub assembly, brake shoe, anchor pin. wash steering joint, bearing, anchor pin. clean brake backing plate. Compliant with regulations. Sealing is good. Operate normally. Operate normally. Free stoke of clutch pedal complies with regulations. Operate normally. Clean without grease. Page 25 of 42
No. Item Maintenance Technical Requirements Appendix brake 3) Check brake disc and brake camshaft. fasten the bolt. 4) Check steering joint and bolt, safety piece and oil seal and steering knuckle arm. fasten the bolt. 5) Check inner and outer bearings. 1) Brake backing plate has no transformation. tighten the device bolt according to specified torque. 2) Camshaft rotates flexibly without delaying. axial clearance complies with regulations. 1) Steering joint has no cracks. Thread is good without radial loosening when matched with nut. Safety plate works well. Oil seal is good without leakage. 2) Matching clearance of steering joint axle diameter and bearing complies with regulations. Tightening torque of bolt of steering joint arm complies with regulations. Roller support has no breaks. Roller does not fall off. No cracks, damages or ablation. Inner ring of bearing has no cracks, damages or ablation. Page 26 of 42
No. Item Maintenance Technical Requirements Appendix 6) Check brake shoe and anchor pin. 7) Check reset spring of brake shoe 8) Check front hub, brake drum and outer base ring of bearing. fasten bolt and inner nut of type. 1) Brake shoe has no cracks, damages or obvious transformation. Friction plate is not broken. Riveting is reliable. Thickness of friction complies with regulations. 2) Anchor pin has no over abrasion. Matching clearance of anchor pin and brake shoe complies with regulations. Reset spring has no obvious transformation. free length and tension comply with regulations. 1) Hub has no cracks. 2) Outer base ring of bearing has no cracks, spots or ablation. 3) Brake drum has no cracks. Outer edge should be no higher than working surface. Inspection hole is complete. Dimension of inner diameter, circularity error and left and right inner diameters comply with regulations. 4) Tyre bolt is complete and good with identified specifications. Fasten according to specified torque. Page 27 of 42
No. Item Maintenance Technical Requirements Appendix Front wheel brake 9) Assemble front hub, adjust tightening of front wheel bearing and brake clearance. 1) Assemble anchor pin. Holes of brake shoe and anchor pin should be applied with lubricating grease. Cotter pin or snap spring is complete and effective. 2) Lubricate the bearing. 3) The surfaces of brake drum and brake plate are clean without oil. 4) Clearance of brake plate and brake drum should comply with regulations. No scuffing or noise in case of rotation. Damper of inspection hole is complete. 5) Hub rotates flexibly and can be rotated when measured by tension meter without radial clearance. 6) Safety is reliable. Dust cover and pad are good. Bolt washer is complete and firm (with identified bolt specifications). Page 28 of 42
No. Item Maintenance Technical Requirements Appendix 1) Disassemble half axle, hub assembly, brake shoe, anchor pin. wash each component and brake backing plate and axle shaft bushing. 1) Hub vent hole is smooth. 2) Each component, brake disc, rear axle bushing are clean without oil. 17 Rear wheel brake 2) Check brake backing plate and brake camshaft. fasten connecting bolt. 1) Brake backing plate has no transformation. Fasten the connecting bolt according to specified torque. 2) Camshaft rotates flexibly without delaying. Clearance of axial clearance and radial clearance complies with regulations. 1) Bushing has no cracks and loosening. No 3) Check rear half axle bushing, nut and oil seal. radial loosening when matched with nut. 2) Oil seal is good without damages or leakage 3) Clearance of bushing neck and bearing complies with regulations. 1) Bearing support has no breaks. Roller does 4) Check inner and outer bearings. not fall off. No cracks, damages or ablation. 2) Inner ring of bearing has no cracks, damages or ablation. Page 29 of 42
No. Item Maintenance Technical Requirements Appendix 5) Check brake shoe and anchor pin. 6) Check spring of brake shoe. 7) Check rear hub, brake drum and outer base ring of bearing. Check and fasten half axle bolt. Check tyre bolt. Fasten inner nut. 1) Brake shoe has no cracks, damages or obvious transformation. Friction plate is not broken. Riveting is reliable. Thickness of friction complies with regulations. 2) Matching clearance of anchor pin and brake shoe complies with regulations. 3) Anchor pin has no over abrasion. Reset spring has no obvious transformation. Free length complies with regulations. Tension is good. 1) Hub has no cracks. 2) Outer base ring of bearing is not loose and damaged. 3) Brake drum has no cracks. Dimension of inner diameter, circularity error and left and right inner diameters comply with regulations. Outer edge should be no higher than working surface. Inspection hole of brake drum is complete. 4) Axle shaft bolt is complete and effective. Page 30 of 42
No. Item Maintenance Technical Requirements Appendix 8) Check half axle. 9) Assemble front hub. Adjust brake clearance. Axle shaft has no obvious bending and does not scrub the bushing without cracks. Spline has no over abrasion or transformation. 1) When assembling anchor pin and brake shoe, holes should be applied with lubricating grease. Cotter pin or snap spring is complete and effective. 2) Lubricate the bearing. 3) Apply to engine oil to surface of bushing neck and then assemble the bearing. 4) The surfaces of brake drum and brake plate are clean without oil. 5) Clearance of brake plate and brake drum should comply with regulations. No scuffing or noise in case of rotation. Damper of inspection hole is complete and firm. 6) Hub rotates flexibly. Tension complies with regulations. 7) Tighten the lock nut according to specified torque. Page 31 of 42
No. Item Maintenance Technical Requirements Appendix 18 Steering gear and steering transmission mechanism 1) Check working and sealing of transmission mechanism of steering gear and fasten bolts of each part. 2) Check and adjust free rotation of steering wheel Free rotation of steering wheel complies with regulations with easy and flexible rotation and without delaying and leakage. Vertical arm and steering joint have no bending, cracks or damages. Bolt connection of each part is reliable. 19 Toe-in Adjust Compliant with regulations. Gearbox and 20 differential 21 Retarder Drive shaft, transmission bearing 22 bracket and intermediate bearing Check the sealing and operation mechanism. Clean the ventilation hole. Check clearance of rotor and stator of retarder. Check fastening of bolts. 1) Check dust cover. 2) Check working of universal joint of drive shaft. 3) Check support of transmission bearing. 4) Check intermediate bearing clearance. Good sealing. Smooth vent hole. Normal control mechanism without abnormal noise. Movement or error shift. Clearance of rotor and stator complies with regulations. Bolt connection is reliable. 1) Dust cover has no cracks or damages. clamp is reliable. Support is not loose. 2) Universal joint is not loose or delayed with abnormal noise. 3) Support of transmission bearing is not loose. 4) Intermediate bearing clearance complies with regulations. Page 32 of 42
No. Item Maintenance Technical Requirements Appendix Air 23 compressor and air tank Brake valve, brake 24 pipeline and brake pedal. Parking 25 brake 26 Suspension Tyre 27 (including spare tyre) Clean and tighten. 1) Check free stoke of brake pedal. 2) Check and fasten brake valve and pipe connector. 3) Check whether air exists in hydraulic brake pipe. Check parking brake performance. Check its free stroke. Check, fasten and revise. check height of airbag. Check and fasten. recharge. reposition of tyres. replace tyre in case of serious abrasion. Clean. Reliable connection. No leakage. Safety valve works normally. 1) Free stroke of brake pedal complies with regulations. 2) Connector of brake valve and pipe is reliable without leakage. 3) No air exists in hydraulic brake pipe. Comply with regulations and operate normally. No loosening, cracks, broken plates. tighten the bolt according to specified torque. height of airbag complies with regulations. Air pressure complies with regulations. Clean, undamaged, aged and transformed. Valve nozzle is good. Tyre bolt is tightened. Assembly and application of tyres comply with regulations. Page 33 of 42
No. Item Maintenance Technical Requirements Appendix Alternator, 28 alternator regulator and starter Clean and lubricate. Compliant with regulations. Accumulator Check, clean and recharge. Clean. Firm assembly. Level of electrolyte complies with regulations. Headlamp, 29 instrument, electric (pneumatic) horn, wiper, electrical device circuit of complete vehicle Check and adjust. Repair or replace if necessary. 1) Functions of headlamp, electric (air) horn, each instrument and signal device is complete, effective and compliant with regulations. 2) The motor of wiper rotates normally. connection of wiper level is reliable. 3) Circuit of complete vehicle is tidy with reliable connection and good insulation. 30 Vehicle body, frame and safety belt Check and tighten. Reliable performance. Work well without transformation, breaks, loose welding. Connecting bolts and rivets are tightened. Page 34 of 42
No. Item Maintenance Technical Requirements Appendix 31 Interior decoration 32 A/C and heater 33 Antifreeze 34 Greasing Check and tighten. Check working and sealing status of airconditioner system. Check the level of the antifreeze. Add it in case of insufficiency. Lubricate all the parts of complete vehicle lubricated with lubrication grease The equipment is good and not loose. 1) Refrigeration system is sealed with good refrigeration effect. 2) Heating system works normally. 1) The added liquid should be of the same model as the original one. 2) Replace it every two years. The number of the antifreeze should comply with the local environmental conditions. Lubrication grease nozzle is complete and effective. Lubrication is good. 3.8 Note 1. The adjustment and installation shall meet the requirements of Service Manuals of Higer Bus. 2. The users shall plan and implement the maintenance other than the A, B, C and D based on the local regulations and environment and in reference to Grade C and D maintenance. Page 35 of 42
Appendix: Appendix 1 Oil, Fluid and Grease Appendix No. Name Recommended specs. 1 Engine oil 2 Gearbox gear oil Automatic transmission 3 gear oil Rear axle final drive gear 4 oil 5 Propeller shaft grease 6 Clutch(brake) fluid 7 Fan angle drive gear oil 8 Power steering fluid 9 Coolant 10 A/C refrigerant 11 Glass detergent Vehicle owner: Signature Page 36 of 42 Replacement period Service station: Remark Note: The vehicle user and the service stations shall make and implement the maintenance plan based on the periodical maintenance regulation, the function of the vehicle and the running environment during running-in maintenance.
Appendix 2 Vehicle Information Record Appendix Date: NO. Country Vehicle model Production serial no. Running mileage Company information Company name Tel. Agent VIN Vehicle purchase date Vehicle classification 口 Coach 口 City bus 口 Commuter bus 口 Other Representative Email Driver information Note: Name Addess Tel. Email Service station signature: Page 37 of 42
Appendix 3 Service Station Appendix Higer service mail: service@higer.com Higer service website: www.myhiger.com Higer address: No.288 East Suhong Road Suzhou Industrial Park Jiangsu China P.C.:215026 Higer Service Station Service manager Tel./Cellphone Spare parts manager Tel./Cellphone Address Note Page 38 of 42
Appendix 4 Higer Bus Maintenance Record Appendix Filled by Higer authorized service stations after maintenance Date: Date: Date: Mileage: km Mileage: km Mileage: km Stamp of service station: Signature: Stamp of service station: Signature: Stamp of service station: Signature: Page 39 of 42
Appendix Date: Date: Date: Mileage: km Mileage: km Mileage: km Stamp of service station: Signature: Stamp of service station: Signature: Stamp of service station: Signature: Date: Date: Date: Mileage: km Mileage: km Mileage: km Stamp of service station: Signature: Stamp of service station: Signature: Stamp of service station: Signature: Page 40 of 42
Appendix Date: Date: Date: Mileage: km Mileage: km Mileage: km Stamp of service station: Signature: Stamp of service station: Signature: Stamp of service station: Signature: Date: Date: Date: Mileage: km Mileage: km Mileage: km Stamp of service station: Signature: Stamp of service station: Signature: Stamp of service station: Signature: Page 41 of 42
Appendix Date: Date: Date: Mileage: km Mileage: km Mileage: km Stamp of service station: Signature: Stamp of service station: Signature: Stamp of service station: Signature: Higer Bus Company Limited Add:No.288 East Suhong Road Suzhou Industrial Park Jiangsu China Service website: Http://www.myhiger.com E-mail: service@higer.com P.C.:215026 Page 42 of 42