Wacker Neuson 3070 CX60 3070 CX80 Weidemann Wheel Loader Repair Manual – PDF DOWNLOAD
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Wacker Neuson 3070 CX60 3070 CX80 Weidemann Wheel Loader Repair Manual – PDF DOWNLOAD
Language : English
Pages :494
Downloadable : Yes
File Type : PDF
Size:111 MB
TABLE OF CONTENTS:
Wacker Neuson 3070 CX60 3070 CX80 Weidemann Wheel Loader Repair Manual – PDF DOWNLOAD
Repair Manual 3
Before you continue reading 3
Safety 21
Repair work (complete vehicle) 25
Safety instructions for repair work (complete vehicle) 25
Engine 27
Safety instructions for working on the engine 27
Hydraulic system 29
Safety instructions for working on the hydraulic system 29
Drive and axles 31
Safety instructions for working on the drive and axles 31
Operator’s platform and cab 33
Safety instructions for working on the operator’s platform and cab 33
Brake system 35
Safety instructions for working on the brake system 35
Vehicle frame and load arm 37
Safety instructions for working on the vehicle frame and load arm 37
Electrical system 39
Safety instructions for working on the electrical system 39
Technical data 45
Technical data 49
11 Technical data for diesel engine 49
12 Technical data for turbo-diesel engine 49
Filling quantities 51
Tightening torques 53
Pressure values 55
41 Pressure values 20 km/h version 55
42 Pressure values 30 km/h version (optional) 56
Flow rates 57
51 Flow rates 20 km/h version 57
52 Flow rates 30 km/h version (optional) 57
Safety stickers 59
Meaning and position of the safety stickers 59
Testing equipment 65
71 Test pump 65
72 Flow meter 65
73 Generator tester 65
74 Magnetic field tester 67
75 Test pressure gauge 67
Special tools 69
81 Expulsion and driving sleeves 69
82 Sealing plate (2 x) 70
83 Insertion tool 70
84 Driving bolts 71
85 Electrical contact key 71
86 Half-shells and pull-off fixture 72
87 Assembly tool 72
88 Hose clamp 73
89 Tool for contact removal 74
Hose book 75
Inspections 81
Complete vehicle 85
11 Inspection log for Deutz engine 85
12 Telescopic arm inspection log 86
Engine 87
21 Checking and adjusting the valve play (Deutz) 87
22 Inspecting the exhaust system for leaks 89
23 Checking the radiator installation 90
24 Inspecting the radiator for leaks 91
25 Troubleshooting on the engine 92
Hydraulic system 95
31 Driving hydraulics 95
311 Checking and adjusting the starting speed 95
312 Checking and adjusting the pressure cut-off 95
313 Checking the variable displacement pump high pressure 97
314 Checking the variable displacement pump supply pressure 98
315 Checking the variable displacement pump positioning pressure 99
316 Adjusting the driving speed100
317 Checking and adjusting the control commencement of the variable displacement motor101
32 Testing the steering hydraulics103
33 Checking and adjusting the inching104
34 Working hydraulics105
341 Checking the gear pump105
342 Checking the function of the pilot control108
343 Checking the control valve function110
35 Troubleshooting on the hydraulic system111
Drive and axles115
41 Inspecting the differential lock115
42 Checking the water filling of the wheels116
43 Troubleshooting on the drive117
Vehicle frame and load arm119
51 Checking and adjusting the curling to load and dumping stops119
52 Troubleshooting on the telescopic arm120
Cab121
61 Checking the heater and the air-conditioning unit121
62 Troubleshooting in the cab122
Electrical system123
71 Checking the generator123
72 Checking the starter123
73 Checking the temperature sensors124
74 Testing the fuel level sensor125
75 Checking and adjusting the tilt switch126
76 Troubleshooting on the electrical system127
Replacement133
Complete vehicle139
11 Helpful tips139
12 Replacing protective stickers139
Engine141
21 Engine (as supplied)141
211 Engine removal141
212 Preparations for engine installation146
213 Engine installation148
214 Replacing the front rubber buffers153
215 Replacing the rear rubber buffers154
216 Replacing the spacer at the rear155
217 Replacing the clutch PA flange155
218 Cleaning the engine (after toppling the loader)157
22 Radiator158
221 Removing the radiator158
222 Installing the radiator160
23 Air filter system163
231 Replacing the suction hose163
232 Replacing the complete air filter164
233 Replacing the air filter housing164
24 Fuel system166
241 Replacing the fuel pre-filter (Deutz)166
242 Replacing the sieve filter of the fuel feed pump (Deutz)167
243 Replacing the fuel line168
244 Replacing the Bowden cable of the accelerator169
245 Replacing the fuel tank170
25 Exhaust system172
251 Replacing the muffler and tail pipe172
252 Replacing the flue and flexi-pipe173
Hydraulic system175
31 Complete vehicle175
311 Depressurizing the hydraulic system175
312 Sealing the hydraulic cylinder175
313 Replacing the pivot bearing on the hydraulic cylinder178
32 Driving hydraulics180
321 Replacing the variable displacement pump180
322 Replacing the clutch hub181
323 Replacing the annular shaft seal of the variable displacement pump182
324 Replacing the variable displacement motor183
33 Steering hydraulics185
331 Cleaning the priority valve185
332 Replacing the priority valve186
333 Replacing the orbital steering valve187
334 Removing the steering cylinder188
335 Installing the steering cylinder189
34 Brake hydraulics191
341 Replacing the main brake cylinder191
342 Replacing the brake hydraulics tank192
343 Venting the brake hydraulics193
344 Replacing the brake fluid194
345 Replacing the 3/2-way valve196
35 Working hydraulics (gear pump, valves)197
351 Replacing the gear pump197
352 Replacing the gear pump (dual pump)198
353 Sealing the gear pump199
354 Sealing the gear pump (dual pump)201
355 Removing the control valve204
356 Installing the control valve205
357 Sealing the control valve206
358 Replacing the 2/2-way valve (curl stop)211
359 Replacing the valve of the vibration damping unit212
3510 Replacing the diaphragm accumulator of the vibration damping unit214
36 Working hydraulics (hydraulic cylinder)215
361 Replacing the lifting cylinder215
362 Replacing the lifting cylinder (telescopic arm)217
363 Removing the tipping cylinder219
364 Removing the tipping cylinder (telescopic arm)220
365 Installing the tipping cylinder222
366 Installing the tipping cylinder (telescopic arm)224
367 Replacing the telescopic cylinder226
368 Replacing the counterbalance cylinder (telescopic arm)228
369 Replacing components of the load holding control valve229
37 Control hydraulic231
371 Depressurizing the control hydraulic231
372 Replacing the pilot control231
373 Adjusting the resting strength and play of the pilot control234
374 Replacing the pulsation damper235
375 Replacing the diaphragm accumulator236
376 Replacing the 2/2-way valve of the control hydraulic236
38 Auxiliary hydraulics and hydraulic lock237
381 Replacing the locking cylinder237
39 Tank, filter and hydraulic lines239
391 Replacing the hydraulic fluid tank239
392 Replacing the complete return filter240
393 Replacing the pressure filter242
394 Cleaning the pressure filter243
395 Replacing the hydraulic line244
396 Replacing the hydraulic line (telescopic arm)245
Drive and axles247
41 Replacing the drive shaft247
42 Front axle248
421 Removing the front axle248
422 Installing the front axle250
43 Rear axle253
431 Removing the rear axle253
432 Installing the rear axle255
Brake system (mechanical section)259
51 Service brake259
511 Replacing the brake shoes259
512 Replacing the brake drum260
52 Parking brake261
521 Replacing the Bowden cable of the parking brake261
Vehicle frame and load arm263
61 Front carriage263
611 Replacing the front fender263
612 Replacing the front weight263
62 Rear carriage and engine hood264
621 Replacing the rear fender264
622 Replacing the base plate265
623 Replacing the rear weight266
624 Replacing the engine hood268
625 Emergency release of the engine hood269
626 Replacing the lock of the engine hood269
63 Center joint271
631 Detaching the center joint271
632 Detaching the center joint (telescopic arm)274
633 Connecting the center joint276
634 Connecting the center joint (telescopic arm)279
635 Replacing the bearing in the self-aligning bearing281
636 Replacing the lower bearing282
64 Insulation mats284
641 Replacing an insulation mat284
65 Load arm285
651 Replacing the complete load arm285
652 Replacing the bearings of the drawbar287
653 Replacing the bearing of the tipping lever288
654 Replacing the front bearing of the load arm289
655 Replacing the rear bearing of the load arm290
66 Telescopic arm 986291
661 Replacing the complete telescopic arm291
662 Removing the inner cylinder293
663 Installing the inner cylinder297
664 Replacing the energy chain301
665 Replacing a slide bar of the outer cylinder302
666 Replacing a slide bar of the inner cylinder302
667 Removing and installing the tilt mechanism303
668 Replacing the right-hand tipping lever with drawbar306
669 Replacing the left-hand tipping lever with drawbar309
67 Tool attachment311
671 Replacing the tool attachment311
672 Replacing the tool attachment (telescopic arm)312
673 Replacing the locking pin315
Operator’s platform and cab317
71 Seat317
711 Replacing the driver’s seat317
712 Replacing the complete seat belt317
72 Frame318
721 Removing the complete cab318
722 Installing the complete cab322
723 Replacing the front rubber buffers of the cab325
724 Replacing the rear rubber buffers of the cab326
725 Replacing the roof grille of the cab327
726 Replacing the floor mats328
727 Replacing the radio console330
728 Replacing the sun visor331
73 Windows/windshield and doors331
731 Replacing the windshield wiper arms331
732 Replacing the windshield washer container333
733 Replacing a bonded-in window333
734 Replacing the door335
735 Replacing the door lock337
736 Replacing the door stay337
737 Replacing the window stop338
74 Steering column339
741 Replacing the steering column339
742 Replacing the cladding of the steering column339
743 Replacing the steering wheel341
75 Heater and air-conditioning unit342
751 Replacing the Bowden cable of the temperature sensor342
752 Removing and installing the vaporizer of the air- conditioning unit344
753 Removing and installing the air-conditioning compressor345
754 Removing and installing the dryer346
755 Removing and installing the air-conditioning unit condenser347
76 Cab lift hydraulic348
761 Replacing the hand pump348
762 Replacing the hydraulic cylinder349
763 Replacing the Bowden cable of the cab lift hydraulic350
Electrical system353
81 Generator, battery and motors353
811 Replacing the generator (Deutz)353
812 Replacing the starter354
813 Replacing the rear windshield wiper motor355
814 Replacing the front windshield wiper motor357
815 Replacing the heater blower358
82 Switches359
821 Replacing the battery disconnect switch359
822 Replacing the ignition lock360
823 Replacing the engine temperature sensor360
824 Replacing the temperature sensor of the hydraulic fluid tank361
825 Replacing the return filter overpressure switch362
826 Replacing the parking brake switch363
827 Replacing the switch of the service brake364
828 Replacing the steering column switch364
829 Replacing the switches in the cab366
83 Sensors366
831 Replacing the fuel level sensor366
832 Replacing the vacuum gauge367
833 Replacing the tilt switch368
84 Relays, coils and fuses369
841 Replacing a relay369
842 Replacing the solenoid valve of the variable displacement pump369
843 Replacing the coil and core on the variable displacement pump371
844 Replacing the solenoid valve core on the variable displacement motor371
845 Replacing the control unit372
85 Indicator lamps, audible reverse warning device and instruments373
851 Replacing the engine-hour indicator373
852 Replacing the fuel tank gauge374
853 Replacing the instrument lighting376
854 Replacing the horn377
855 Replacing the audible reverse warning device378
86 Lighting system378
861 Replacing a complete headlamp with indicator378
862 Replacing a complete tail lamp379
863 Replacing the headlight380
Attachments381
91 Replacing the earth bucket digging tooth381
92 Replacing the prongs of the fork & grab381
93 Replacing the hydraulic cylinder of the fork & grab382
94 Replacing the hydraulic cylinder of the multi-purpose bucket383
95 Replacing the valve of the multi-purpose bucket384
Circuit diagrams and descriptions393
Hydraulic circuit diagram397
Electrical circuit diagram401
Plug assignments / contact assignments429
31 Plug assignments429
311 Main plug connections fitting & cab430
312 Plug connections instrument steering column436
313 Plug connections – cab439
314 Plug connections – machine443
315 Plug connections – lighting447
32 Contact assignments448
321 Components of the instrument steering column449
322 Components of the cab450
Technical description453
Supplier documentation463
Engine workshop manual (example)467
Variable displ pump repair instructions (example)469
Variable displ motor repair instructions (example)471
Planetary axle workshop manual (example)473
Electrical components477
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