Rexro h. Service Visit Report. Bosch Group. For the attention of. Site Address: Aviemore, PH22 1RB. Customer Order Number: Visit Date:

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1 Rexro h Bosch Group The Drive &Control Company Bosch Remo* tanned, Crernwt11 Road, St NEOTS PEN, 2Es Cairngorm Mountain Ltd Aviem ore Scotland PH22 1RB For the attention of Site Address: Customer Order Numr: Visit Date: Service Visit Report Aviemore, PH22 1RB Decemr 213 Job Numr: Bosch Rexroth Engineer: Equipment Type: Serial Numr: identification Numr:, Reason for Visit Carry out annual maintenance checks. Work Carried Out Annual service work carried out as follows: p Brake Carried out inspection of the system. Pipework and hoses in good condition. No leaks. New filter elements fitted to items 5 and D 1 BN4HC. Accumulator precharge checked: Item 27 & 56 precharge found to 9 bar. Item 63 found to 65 bar. All as per circuit. Written scheme of examination carried out on accumulators (See attached sheet). Relief valve item 62 checked via hand pump and operated at 21 bar as per circuit. Relief valves 7 and 36 checked by increasing pressure in items 6 and 35 to above 2 bar to witness relief valves operating at 2 bar as per circuit. Items 6 and 35 reset back to or4inal settings (See trace

2 Rexrot h Bosch Group Work Carried Out for settings). Traces taken for both systems as shown low. System 1. The Drive &Control Corn 2 2 p Brake System 1 emr 213.PAWF 18 _ z 12 ea 1 tn 8 6 Passenger Disembark p Station

3 Work Carried Out System 2 Rexro h Bosch Group The Drive &Control Com by 22 2 p Brake System 2 emr 213.MWF I: a) 1 E 8 Passenger Disembark p Station Oil sample taken from reservoir to sent off for analysis. Oil used: Mobil DTE 13M ISO VG32. (see attached laboratory report numr ). Oil cleanliness grade of 16/13/1 in accordance with ISO 446 is acceptable for this system. Standby Haulage Carried out visual inspection of system. Pipework and hoses in good condition, no leaks found. Filter canister changed. Diesel engine started and system run. Boost pressure reading 3 bar as per circuit. Cooler pump pressure reading 3.1 bar. System operated with cars empty. p car moved down to the tunnel mouth and then returned back to station. Car speed 1.6 m/sec. Pressure trace taken at test point 34. Pressure in returning side of the pump read at 2 bar for both directions of travel. See trace for maximum pressures.

4 Work Carried Out Rexro h Bosch Group The Drive &Control Comp ny 25 Standby Haulage.mb.r 213.MINF I 125 p Car descending. Pressure in 'A' Line. p Car ascending. Pressure in '13' Line so Change Over Point. I I I 1 I I I I It Oil sample taken from reservoir to sent off for analysis. Oil used: Mobil DTE15M ISO VG46. (see attached laboratory report numr ). The oil cleanliness grade of 2/17/13 is acceptable, however borderline for this system. We recommend resampling again in 3 months time Vehicle Brake (both cars) It was reported that Car 2 pressure drops frequently and the pump keeps coming on to recharge the system (every 15 minutes approximately). The system was checked on the last visit and no obvious leak was found. The power unit was checked for any internal leaks across valves but none could found. This only left the valves that are situated on the brakes themselves. A new set of valves have en ordered and are awaiting delivery. When these arrive, another visit is to arranged for fitting and commissioning. Carried out visual inspection of system. Hoses and pipework in good condition No leaks found. Accumulators checked and found to both precharged to 12 bar. Replacement filter element, item 2.9, fitted to both cars. 3 D 1 BN4HC. Replacement air breather, item 1.3, fitted to both cars. Hand pump operation checked ok. Operation of relief valve, item 2.2, checked and found to set at 33 bar as per circuit. Written scheme of examination carried out on accumulators (see attached). Oil sample taken from both reservoirs to sent off for analysis. Oil used: Environ MV32 PetroCanada. (see attached laboratory report numr ). The oil cleanliness grade of 2/18/13 in accordance with ISO 446 is acceptable.

5 Work Carried Out Rexro h Bosch OUp The Drive &Control Corn Rope Tension It had en reported that the system had tripped a couple of times due to loss of pressure over a few months. It was decided, that as the pump had en in place for 4 years and runs all day, every day, without ing unloaded, that the pump should swapped out for the spare, reconditioned pump. This was done and the pump started without any problems. The old pump has en taken away for inspection and refurbishment. Carried out visual inspection of the system. Pipework and hoses in good condition. No leaks found. Replacement filter element, item 12, fitted. 11 R 1 BN4HC. Replacement air filter fitted to item D 2 BN3HC. Seals of item 4 checked by monitoring pressure lock in annulus of cylinder. Seals ok Pressure trace taken for complete journey of cars at port 'Z' test point item 45 Tensioning Unit emr 213.MWF Oil sample taken from reservoir to sent off for analysis. Oil used: Mobil DTE 13M ISO VG32. (see attached laboratory report numr ). The oil cleanliness grade of 19/16/11 in accordance with ISO 446 is acceptable for this system. M1 and Day Lodge Poma w Lift. Both assemblies had replacement hoses fitted from the annulus port to accumulator fittings as the original hoses were found to too short. New hose fitted on to 'Day Lodge' assembly from accumulator relief valve tank line to tank line tee on full bore port. This was a replacement for a temporary slave hose used for installation.

6 Work Carried Out Rexroth Bosch Group The Drive & Control Corn Both accumulator relief valves removed from housing and settings checked using separate hand pump and slave housing. Both valves found to set at 315 bar as per previous setting. Valves ok. Gas pressure checked on 'Ml' assembly and found to 1 bar. This wants topping up to 11 bar but not enough gas on site to do this. This will require topping up on the next visit as well as checking and possibly topping up 'Day Lodge' precharge. Both systems tested (`M1' pressure to 1 bar, 'Day Lodge' pressure to 9 bar) ok. Hose burst valves checked ok as per Poma manual. As detailed in last visit report from July 213, all the hoses on the 'Diesel Standby', 'p Brake' and 'Tensioning Unit' should as they are now over ten years old. Hose lengths taken and hose details taken down to quote for new. Recommended Further Work Accumulators to topped up where required as detailed. Car 2 brake valves to as detailed. Another set of car brake valves to ordered for spares (Order No. 25). Quote for replacement hoses. Quote to replace pipework at back of 'p Brake' to stainless steel. Equipment Returned: Part Numr: Serial Numr: Tensioning Pump SYDFEE2/71RPPA12KC1AAOCXX Authorised By:

7 rt jojxos 43S13 :.. 3. I _, = 3 P IYes Safe for cont inued use? a emr 14 emr 14 z > z > V/N 1 V/N V/N.., Date of next examinat ion I I Comments CD CD

8 a..a...a IItem no. Accumulator Accumulator Relief Relief Relief Relief Relief Accumulator Accumulator Accumulator Accumulator Accumulator uogdposea :sseappy Valve Valve Valve Valve Valve wow N.) f DBDS 6 DBDS 6 DBDS 6 DBDS 6 DBDS 6 a I I a a I P a r t known) no. (If Al tems i n IZHd Sl Internal Type to identified of 1 examinat ion Yes in External Elacumulator No CD CD Pressure & Test log se apendix FrequencyYears 2 Je Je 'ou u ZLEV /2 CD UI

9 7. Poma Daylodge E 74 Item Car Item p Item p Item p =. so o13!.).tv Brake 36Brake 7 Brake 4t., 31.3 ) = to 4. L Item p Item p Item p 53Brake56Brake27Brake 1 HydacHydacBosch RexrothBosch Hydac HydacHydac Hydac Hydac Manufacturer U33A SB332A1/665 u3a 2A1/665 SB33. )U3BDBDS6K1 X/3BDBDS6K1 M2 X/2 DBDS6K1 CI) X 7 CA X/2 LDBDS6K1 U Cri,.i... 1A1/112 SB33 U345 1A1/112 SB33 1:I )..), Ca o t.) "..1 t..) %1 C1833 Standard Design t.)t..) 2 CO.. IQ t.) NI t..) Manufacture Date of (.1 CAo CP3 o Al 2 2 at ut cyt CO x * :13 2 at U, GYI cro CD ai u. a ISJ i 1 CO _. ch) C,). _. a) xi,, x Internal Type I External of examinat ion CAI I Pressure& test n't 5.

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11 F, technik tiation, Purification & Sepal atioii Sol J bons Fluid Analysis Laboratory Convoy LL32 8FA United Kingdom Tel Make: Model_ Serial No System Brand Grade: Unique No.. DIESEL STANDBY HYDRAULIC MOBIL DIE 15M ae Sample No: Location. Client Form No. Job No Sampied. Received Diagnosis Diagnostician: Sean George Normal Wear appears satisfactory_ No significant contamination. Advise monitor at the reco HT /11/13 15/11/13 Sample No Status Sampled 1/ /6/212 Fluid Age Machine Hrs 'd condition & other tests..scosity G 4 C mm2/s Water % <.1 <.1 App 1 7 Neut No. mg[koh)/g.35 ISO Code 2/17/13 19/17/12 Particle Count 14 particles/m1 42 Particle Count 4 particles/ft 6162 Particle Count 8 particles/ml 798 Al (Aluminium).3 Sn (Tin).1 Pb (Lead) 2.6 Cu (Copper) R1/4.8 Fe (Iron).3 Cr (Chromium). Mo (Molybdenum).2 Ag (Silver) WAD. Ni (Nickel). Mn (Manganese).1 ontarnination Na (Sodium). Si (Silicon).8 (Lithium). Overall SAE Code 1 Additives B (Boron). Ba (Barium) Ca (Calcium) Mg (Magnesium) 1.8 P (Phosphorus) mg/ S (Sulphur) MAD Zn (Zinc) F AC BOSCH REXROTH LTD, CROMWELL ROAD ST NEOTS UNITED KINGDOM PE19 2ES salty bromley@boschrenoth co uk

12 Filtertechnik Filiation, Pim 1Ic2t1c1 & Sepaiation Fluid Analysis Laboratory Conwy LL32 8FA United Kingdom Tel: Make: Model Serial No, System. Brand Grade Unique No TENSIONING UNIT HYDRAULIC MOBIL DIE 13M Sample No Location Client Form No Job No Sampled Received DiagnOs Diagnostician: Sean George Normal Wear appears satisfactory No significant contamination Advise monitor at the recommended sampling period HT /11/13 15/11/13 Results Sample No Status Current Sample Sampled F.iA Age Machine Hrs d condition & other tests OS/11/13 23/5/212..scosity 4 C mm2/s Water % <.1 <.1 App 1 1 Neut No. mg[kohi/g.92 ISO Code 19/16/11 18/16/13 Particle Count 14 particles/ml 18 Particle Count 4 particles/ml 2938 Partide Count 8 particles/m1 385 Al (Aluminium).8 Sn (Tin) 1.4 Pb (Lead) mg/k9 2.6 Cu (Copper) ftlitik Fe (Iron) mg/1(g 3. Cr (Chromium). Mo (Molybdenum). Ag (Silver) mgn(f). Ni (Nickel). Mn (Manganese).1 Contamination Na (Sodium). Si (Silicon). i (Lithium). Overall SAE Code 9 Additives B (Boron).2 Ba (Barium) f11/ Ca (Calcium) Mg (Magnesium) fngik 1.9 P (Phosphorus) S (Sulphur) Zn (Zinc) Ca 2 KV F A BOSCH REXROTH LTD, CROMWELL ROAD, ST NEOTS UNITED KINGDOM PEis 2ES sally bromlay@boschrexroth cc uk

13 Filtertechnik halation. Purification & Saturation Solutions Fluid Analysis Laboratory Conwy LL32 8FA United Kingdom Tel: Make: Sample No Model: Location Serial No: CARI Client System HYDRAULIC Form No HT18251 Brand PETRO CANADA ENVIRON MV Job No.: Grade: 32 Sampled' 8/11/13 Unique No.: Received: 15/11/13 Diagnosis Diagnostician: Sean George Normal Serious Viscosity not consistent with stated grade. Wear appears satisfactory. Advice required. Resample at the next service intervention Confirm oil grade Results Sample No Status Sampled Fluid Age Unit Age d condition & other tests.,scosity a 4 C Water % App Neut No. ISO Code Particle Count 14 Particle Count 4 Particle Count 8 Wear Metals Al (Aluminium) Sn (Tin) Pb (Lead) Cu (Copper) Fe (Iron) Cr (Chromium) Mo (Molybdenum) Ag (Silver) Ni (Nickel) Mn (Manganese) V Cd ontammation Ja (Sodium) K (Potassium) Si (Silicon) Li (Lithium) Overall SAE Code Additives B (Boron) Ba (Barium) Ca (Calcium) Mg (Magnesium) P (Phosphorus) S (Sulphur) Zn (Zinc) mm2/s mg[koh]/g particles/ml partici es/rni particles/ml fn/119 algik9 mffik9 fn949 fngikff Fe Current Sample /11113 < /18/ Historical Samples F A BOSCH REXROTH LTD CROMWELL ROAD ST NEOTS UNITED KINGDOM. PE19 2ES sally bromleyaboschrexroth co uk

14 FiltQrtechnik ItiabOrl. Purification & Sepastin Solutions Make: Model. Serial No, System. Brand Grade. Unique No.: CAR 2 HYDRAULIC CASTROL ENDURON MV Sample No: Location: Client: Form No: Job No.: Sampled: Received: Diagnosis Diagnostician: Sean Georçje Normal Viscosity not consistent with stated grade. Wear appears satisfactory. Advice required. Insufficient sample to carry out all tests HT /11/13 15/11/13 Resample at the next service intervention. Confirm oil grade Fluid Analysis Laboratory Conwy LL32 8FA United Kingdom Tel: Serious Results Sample No Status Sampled Fluid Age Unit Age 'd condition & other 4 C Water % App ear Metals Al (Aluminium) Sn (Tin) Pb (Lead) Cu (Copper) Fe (Iron) Cr (Chromium) Mo (Molybdenum) Ag (Silver) Ni (Nickel) Mn (Manganese) mm2/s Current Sample / n19/k Historical Samples Na (Sodium) Si (Silicon) Li (Lithium) Additives B (Boron) Ba (Barium) Ca (Calcium) Ag (Magnesium) P (Phosphorus) S (Sulphur) Zn (Zinc (MR KN/4 12 F A BOSCH REXROTH LTD CROMWELL ROAD ST NEOTS, UNITED KINGDOM, PE19 2ES say bromay Ooschrexroth co uk