R 994 B. Technical Description Hydraulic Excavator

Transcription

1 Technical Description ydraulic Excavator Operating Weight with Backhoe Attachment 654,330 lb Operating Weight with Shovel Attachment 675,500 lb Engine Output 1500 P Bucket Capacity cuyd Shovel Capacity cuyd R 994 B litronic`

2 Technical Data Engine 1 Cummins diesel engine Rating per SAE J P at 1800 RPM Model QSK45 Type 12 cylinder turbocharged V-engine after-cooler two separate water cooling circuits direct injection system Displacement 2745 cu.in Bore/Stroke 6.26/7.48 in Engine cooling system fans driven via hydraulic piston motor Air cleaner dry-type air cleaner with pre-cleaner, with automatic dust ejector, primary and safety elements Fuel tank 1414 gal Electrical system Voltage 24 V Batteries 6 x 170 Ah/12 V Alternator 24 V/150 Amp Engine idling sensor controlled Electronic engine control system engine speed sensing over the entire engine RPM range. Provides integration of engine with other machine systems ydraulic System ydraulic pumps for attachment and travel drive 4 variable flow axial piston pumps Max. flow 4 x 199 gpm Max. hydr. pressure 4640 PSI ydraulic pump for swing drive 2 reversible swash plate pumps, closedloop circuit Max. flow 2 x 103 gpm Max. hydr. pressure 5076 PSI Pump regulation electro-hydraulic pressure compensation flow compensation automatic oil flow optimizer ydraulic tank capacity 581 gal ydraulic system capacity 1110 gal ydraulic oil filter filtration of entire return flow, 1 high pressure filter for each main pump ydraulic oil cooler 2 separate coolers, 2 temperature controlled fans driven via hydraulic piston motor Swing Drive ydraulic motor 2 iebherr axial piston motors Swing gear 2 iebherr planetary reduction gears Swing ring iebherr, sealed triple roller swing ring, internal teeth Swing speed RPM Swing torque 1120 knm Swing-olding brake hydraulically actuated, maintenance-free, multi-disc brakes integrated in each swing gear Uppercarriage Design torque resistant designed upper frame in box type construction for superior strength and durability Attachment mounting parallel longitudinal main girders in boxsection construction Catwalks on the left side with a hydraulically driven access ladder, catwalks in front of the pumps and in the counterweight, additional emergency ladder in front of the cab Service Flap Design hydraulically actuated service flap, with lighting easily accessible from ground level to allow: fuel fast refill hydraulic oil refill engine oil quick change splitterbox oil quick change swing gearbox oil quick change swing ring teeth grease barrel refilling via grease filter attachment/swing ring bearing grease barrel refilling via grease filter windshield wash water refilling Quick coupler upon request ydraulic Controls Servo circuit independant, electric over hydraulic proportional controls of each function Emergency control via accumulator for all attachment functions with stopped engine Power distribution via monoblock control valves with integrated primary relief valves and flanged on secondary valves for travel Flow summation to attachment and travel drive Control functions Attachment and swing proportional via joystick levers Travel proportional via foot pedals or hand levers Bottom dump bucket proportional via foot pedals 2 TD R 994 B itronic

3 Technical Data Operator s Cab Design resiliently mounted, sound insulated, large windows for all around visibility, integrated falling object protection FOPS Operator s seat suspended, body-contoured with shock absorber, adjustable to operator s weight Cabin windows 0.8 in tinted armored glass for front window and right hand side windows, all other windows in tinted safety glass, high pressure windshield-washer system 20 gal watertank, sun louvers on all windows in heavy duty design eating system/ Air conditioning heavy duty, high output air conditioner and heater unit Cabin pressurization ventilation with filter Controls joystick levers integrated into armrest of seat Monitoring via CD-Display, data memory Automatic engine shut off engine self-controlled shut off Destroking of main pumps in case of low hydraulic oil level Safety functions aditional gauges with constant display for: engine speed, hourmeter, voltmeter, safety mode for engine speed control and pump regulation Central ubrication System Type incoln Centromatic lubrication system, for the entire attachment and swing ring Grease pumps incoln Powermaster pump plus separate pump for swing ring teeth Capacity 52.8 gal bulk container for attachment and swing ring, separated 21 gal bulk container for swing ring teeth Refill via the service flap for both containers, fill line with grease filters Attachment Design box-type structure with large steel castings in all high-stress areas Pivots sealed with double side centering with 1 single floating pin per side, all bearings with wear resistant steel bushings, bolts hardened and chrominium-plated ydraulic cylinder iebherr design, all cylinders located in well protected areas ydraulic connections pipes and hoses equipped with SAE splitflange connections Kinematics iebherr parallel face shovel attachment geometry, backhoe bucket pivoting angle 160 Undercarriage Design 3-piece undercarriage, box type structures for center piece and side frames, stress relieved ydraulic motor 2 axial piston motors per side frame Travel gear iebherr planetery reduction gear Travel speed mph Parking brake spring engaged, hydraulically pressure released wet multi-disc brakes for each travel motor, maintenance-free Track components D 12, maintenance-free, forged double grouser pad Track rollers/ Carrier rollers 9/2 Automatic track tensioner pressurized hydraulic cylinder with accumulator Transport undercarriage side frames are removable TD R 994 B itronic 3

4 Dimensions F E D A2 A1 A W1 W 1 2 C K Q P X V U Z N S B G ft-in A 21 0 A A C D E 21 5 F K ft-in P 7 7 Q 3 1 S 16 5 U 27 1 Z 34 4 N 2 9 B G V 38 9 W 26 7 W X 60 6 F E D A2 A1 A W1 1 2 C K Q P V1 X1 U Z N S B G ft-in A 21 0 A A C D E 21 5 F K ft-in P 7 7 Q 3 1 S 16 5 U 27 1 Z 34 4 N 2 9 B G V W X TD R 994 B itronic

5 Backhoe Attachment ft m m ft Digging Envelope Max. reach at ground level 53 6 Max. teeth height 50 6 Max. dump height 33 6 Max. digging depth 31 2 Max. digging force Max. breakout force Operating Weight and Ground Pressure 197,750 lb 229,280 lb The operating weight includes the basic machine with gooseneck boom 30 6, stick 13 9 and bucket 23.5 cuyd. Pad width in 34 Weight lb 654,330 Ground pressure PSI Bucket Cutting width SAE in 134 1) 134 1) 134 1) Capacity SAE heaped cuyd Weight lb 37,480 39,220 40,020 Suitable for material up to a specific weight of lb/cuyd 3,570 3,230 3,000 Wear kit level II II II 1) Bucket with delta cutting edge and tooth system Posilok size S 95. Wear kit level II: For heavy rock, not deteriorated or cracked. as to be shot to be dug. Additional buckets on request. TD R 994 B itronic 5

6 Shovel Attachment ft m Digging Envelope Max. reach at ground level 45 1 Max. dump height 36 9 Max. crowd length 17 1 Bucket opening width T T Crowd force at ground level Max. crowd force Max. breakout force 233,690 lb 292,110 lb 238,100 lb m Operating Weight and Ground Pressure The operating weight includes the basic machine with shovel attachment and bucket 23.5 cuyd. Pad width in 34 Weight lb 675,500 Ground pressure PSI ft Bottom Dump Bucket Cutting width SAE in 161 1) 161 1) 161 1) Capacity SAE heaped cuyd Weight lb 66,140 68,340 69,450 Suitable for material up to a specific weight of lb/cuyd 3,570 3,230 3,000 Wear kit level II II II 1) Bottom dump bucket with delta cutting edge and tooth system Posilok size S 95. Wear kit level II: For heavy rock, not deteriorated or cracked. as to be shot to be dug. Additional bottom dump buckets on request. 6 TD R 994 B itronic

7 Component Dimensions and Weights Cab ength ft-in 10 6 eight ft-in 9 6 Width ft-in 6 3 Weight lb 6,170 Cab Elevation ength ft-in 7 11 eight ft-in 8 4 Width ft-in 8 2 Weigh lb 7,280 Fuel Tank ength ft-in 9 9 eight ft-in 9 7 Width ft-in 7 0 Weight lb 8,160 Powerplant 2 1 B B1 ength ft-in 15 9 eight ft-in eight ft-in eight ft-in 14 5 B Width ft-in 7 3 B1 Width ft-in 9 8 Weight lb 38,580 Rotation Deck (with swing ring, swing gears, control valve bracket and service flap) ength ft-in 26 6 eight ft-in 12 8 Width ft-in 12 2 Weight lb 94,140 Counterweight ength ft-in 3 7 eight ft-in 10 8 Width ft-in 19 8 Weight lb 55,820 TD R 994 B itronic 7

8 Component Dimensions and Weights ydraulic Tank ength ft-in 16 2 eight ft-in 9 6 Width ft-in 6 0 Weight lb 17,350 ydraulic oil Weight lb 9,810 Small Pieces ength ft-in 14 9 eight ft-in 8 6 Width ft-in 6 7 Weight lb 9,920 Catwalk Box eft ength ft-in 7 5 eight ft-in 9 9 Width ft-in 2 4 Weight lb 4,190 Catwalk Box Right ength ft-in 7 2 eight ft-in 9 9 Width ft-in 3 1 Weight lb 1,760 Side Frame (two) ength ft-in 27 1 eight ft-in 7 7 Width over travel drive ft-in 6 9 Width without travel drive ft-in 4 10 Weight lb 2 x 90,510 Undercarriage Central Girder ength ft-in 12 0 eight ft-in 7 5 Width ft-in Weight lb 57,320 8 TD R 994 B itronic

9 Component Dimensions and Weights Shovel Boom ength ft-in 23 9 eight ft-in 7 9 Width ft-in 7 10 Weight lb 55,560 oist Cylinder (two) for Shovel Attachment ength ft-in 15 5 Ø Diameter in 22 Weight lb 2 x 7,700 Shovel Stick ength ft-in 15 5 eight ft-in 6 3 Width ft-in 7 5 Weight lb 28,110 Crowd Cylinder (two) ength ft-in 11 0 Ø Diameter in 15 Weight lb 2 x 3,240 Bottom Dump Bucket 20.0 cuyd 22.2 cuyd 23.5 cuyd ength ft-in eight ft-in Width ft-in Weight lb 66,000 68,340 69,450 Bucket Tilt Cylinder (two) ength ft-in 13 0 Ø Diameter in 18 Weight lb 2 x 4,440 Gooseneck Boom with Stick Cylinders ength ft-in 32 2 eight ft-in Width ft-in 7 3 Weight lb 64,600 TD R 994 B itronic 9

10 Component Dimensions and Weights oist Cylinders (two) for Backhoe Attachment ength ft-in 15 4 Ø Diameter in 22 Weight lb 2 x 8,160 Stick with Bucket Cylinders ength ft-in 19 8 eight ft-in 7 10 Width ft-in 5 9 Weight lb 41,670 Backhoe Bucket 20.0 cuyd 22.2 cuyd 23.5 cuyd ength ft-in eight ft-in Width ft-in Weight lb 37,480 39,220 40,020 Printed in Germany by Eberl RG-BK-RP FR/SP Illustrations and data may differ from standard equipment. Subject to change without notice. All indicated loads are based in accordance with ISO iebherr Mining Equipment Co Chestnut Avenue, Newport News, VA 23607, USA (7 57) , Fax (7 57) info@lme.liebherr.com