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1250AJP
Parts Manual
444 pgs39.48 Mb4
Operator Manual
132 pgs5.16 Mb4
Parts Manual
406 pgs13.04 Mb0
Service Manual
606 pgs46.51 Mb3
Quick Reference Guide
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Table of contents
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JLG 1250AJP Parts Manual

3121172 1250AJP 3
4 1250AJP 3121172
3121172 1250AJP 5
6 1250AJP 3121172
TABLE OF CONTENTS
SECTION 1 - FRAME ........................................................................................................................................................................... 9
FIGURE 1-1. AXLE INSTALLATIONS ............................................................................................................................................ 10
FIGURE 1-2. STEER INSTALLATION ............................................................................................................................................ 14
FIGURE 1-3. TIRE AND WHEEL DRIVE INSTALLATION ................................................................................................ ............. 16
FIGURE 1-4. DRIVE HUB ASSEMBLY (Prior to SN 0300079667) ................................................................................................ 20
FIGURE 1-5. DRIVE MOTOR ASSEMBLY (Prior to SN 0300079667) ........................................................................................... 24
FIGURE 1-6. HUB AND MOTOR ASSEMBLY (SN 0300079667 through 0300083555) ................................................................ 26
FIGURE 1-7. HUB AND MOTOR ASSEMBLY (SN 0300083556 through 0300103906) ................................................................ 32
FIGURE 1-8. DRIVE HUB ASSEMBLY - BONFIGLIOLI (SN 0300103907 to Present) .................................................................. 36
FIGURE 1-9. DRIVE HUB ASSEMBLY - REGGIANA RIDUTTORI (SN 0300103907 to Present) ................................................. 40
FIGURE 1-10. DRIVE MOTOR ASSEMBLY (SN 0300103907 to Present) .................................................................................... 44
FIGURE 1-11. FRAME VALVES AND COVERS INSTALLATION ................................................................................................. 46
FIGURE 1-12. TRACTION VALVE ASSEMBLY (Prior to SN 0300103907) ................................................................................... 50
FIGURE 1-13. TRACTION VALVE ASSEMBLY (SN 0300103907 to Present) .............................................................................. 52
SECTION 2 - TURNTABLE ................................................................................................................................................................ 55
FIGURE 2-1. VALVE, BATTERY, HORN AND AUXILIARY PUMP INSTALLATIONS ................................................................... 56
FIGURE 2-2. MAIN VALVE ASSEMBLY ........................................................................................................................................ 62
FIGURE 2-3. TURNTABLE SWING DRIVE AND BEARING INSTALLATION ................................................................................ 66
FIGURE 2-4. SWING MOTOR/HUB ASSEMBLY ........................................................................................................................... 68
FIGURE 2-5. CATERPILLAR DIESEL ENGINE INSTALLATION ................................................................................................... 74
FIGURE 2-6. DEUTZ BF4M2011 TIER II AND TD2011 TIER III/IVI ENGINE INSTALLATIONS ................................................... 82
FIGURE 2-7. DEUTZ TD2011 TIER IVI FLEX AND TIER IVI-PRE ENGINE INSTALLATION ....................................................... 92
FIGURE 2-8. DEUTZ TCD2.9L4 ENGINE INSTALLATIONS ....................................................................................................... 100
FIGURE 2-9. PUMP ASSEMBLY (REXROTH) (CATERPILLAR ENGINE MACHINES) .............................................................. 112
FIGURE 2-10. PUMP ASSEMBLY (REXROTH) (DEUTZ ENGINE MACHINES) ......................................................................... 118
FIGURE 2-11. PUMP ASSEMBLY (SAUER TANDEM) ................................................................................................................ 124
FIGURE 2-12. PUMP ASSEMBLY (SAUER PISTON) ................................................................................................................. 128
FIGURE 2-13. PUMP ASSEMBLY (SAUER GEAR) ..................................................................................................................... 132
FIGURE 2-14. TANK INSTALLATION .......................................................................................................................................... 134
FIGURE 2-15. ROTARY COUPLING AND COLLECTOR RING INSTALLATION ........................................................................ 138
FIGURE 2-16. HYDRAULIC OIL COOLER INSTALLATION - CATERPILLAR AND DEUTZ BF4M2011 AND TD2011 ENGINES
(OPTIONAL) ................................................................................................................................................................................. 140
FIGURE 2-17. HYDRAULIC OIL COOLER INSTALLATION - DEUTZ TCD2.9L4 ENGINES (OPTIONAL) ................................. 142
FIGURE 2-18. GROUND CONTROLS INSTALLATION (WITHOUT UGM) ................................................................................. 144
FIGURE 2-19. GROUND CONTROLS INSTALLATION (WITH UGM) ......................................................................................... 148
FIGURE 2-20. ACCESSORIES INSTALLATION .......................................................................................................................... 152
FIGURE 2-21. ENGINE TRAY JACK INSTALLATION ................................................................................................................. 156
FIGURE 2-22. HOODS INSTALLATION ...................................................................................................................................... 160
FIGURE 2-23. 2500W GENERATOR INSTALLATION - CATERPILLAR MACHINES (OPTIONAL) ............................................ 166
FIGURE 2-24. 2500W GENERATOR INSTALLATION - DEUTZ MACHINES (OPTIONAL) ........................................................ 170
FIGURE 2-25. 4000W GENERATOR INSTALLATION - DEUTZ MACHINES .............................................................................. 174
FIGURE 2-26. 7500W SKYPOWER GENERATOR INSTALLATION - CATERPILLAR MACHINES (OPTIONAL) ...................... 178
FIGURE 2-27. 7500W SKYPOWER GENERATOR INSTALLATION - DEUTZ MACHINES (OPTIONAL) ................................... 184
FIGURE 2-28. CLEARSKY TELEMATICS INSTALLATION (WITHOUT UGM) (OPTIONAL) ...................................................... 192
FIGURE 2-29. CLEARSKY TELEMATICS INSTALLATION (WITH UGM) (OPTIONAL) .............................................................. 196
SECTION 3 - BOOM ........................................................................................................................................................................ 199
FIGURE 3-1. BOOM INSTALLATION ........................................................................................................................................... 200
FIGURE 3-2. TOWER BOOM ASSEMBLY .................................................................................................................................. 204
FIGURE 3-3. MAIN BOOM ASSEMBLY ....................................................................................................................................... 208
FIGURE 3-4. ACTUATOR ASSEMBLIES ..................................................................................................................................... 214
FIGURE 3-5. POWER TRACK AND BOOM CLAMPS INSTALLATION (TOWER BOOM) .......................................................... 218
FIGURE 3-6. POWER TRACK AND BOOM CLAMPS INSTALLATION (MAIN BOOM AND JIB) ................................................ 220
FIGURE 3-7. BOOM SENSORS AND SWITCHES INSTALLATION ............................................................................................ 224
FIGURE 3-8. PLATFORM SUPPORT AND CONTROL VALVES INSTALLATIONS.................................................................... 228
SECTION 4 - PLATFORM ................................................................................................................................................................ 231
FIGURE 4-1. PLATFORM COMPONENTS INSTALLATION ....................................................................................................... 232
FIGURE 4-2. PLATFORM COMPONENTS INSTALLATION (FALL ARREST PLATFORM) ........................................................ 236
FIGURE 4-3. PLATFORM CONSOLE ASSEMBLY ...................................................................................................................... 238
FIGURE 4-4. CONTROLLER ASSEMBLY (LIFT AND SWING) ................................................................................................... 242
3121172 1250AJP 7
TABLE OF CONTENTS
FIGURE 4-5. CONTROLLER ASSEMBLY (LIFT AND SWING) (SN 0300188514 to Present) ..................................................... 246
FIGURE 4-6. CONTROLLER ASSEMBLY (DRIVE AND STEER) ................................................................................................ 250
FIGURE 4-7. CONTROLLER ASSEMBLY (DRIVE AND STEER) (SN 0300188514 to Present) .................................................. 254
FIGURE 4-8. SOFT TOUCH SYSTEM INSTALLATION (OPTIONAL) .......................................................................................... 256
SECTION 5 - CYLINDER .................................................................................................................................................................. 259
FIGURE 5-1. AXLE EXTENSION CYLINDER ASSEMBLY .......................................................................................................... 260
FIGURE 5-2. AXLE LOCKOUT CYLINDER ASSEMBLY .............................................................................................................. 262
FIGURE 5-3. PLATFORM LEVEL CYLINDER ASSEMBLY (Prior to SN 0300080030) ................................................................ 264
FIGURE 5-4. PLATFORM LEVEL CYLINDER ASSEMBLY (SN 0300080030 to Present) ........................................................... 266
FIGURE 5-5. LIFT CYLINDER ASSEMBLY (MAIN BOOM) .......................................................................................................... 268
FIGURE 5-6. LIFT CYLINDER ASSEMBLY (TOWER BOOM) ..................................................................................................... 272
FIGURE 5-7. JIB CYLINDER ASSEMBLY .................................................................................................................................... 274
FIGURE 5-8. STEER CYLINDER ASSEMBLY ............................................................................................................................. 276
FIGURE 5-9. TELESCOPE CYLINDER ASSEMBLY (MAIN BOOM) ............................................................................................ 278
FIGURE 5-10. TELESCOPE CYLINDER ASSEMBLY (TOWER BOOM) ..................................................................................... 282
SECTION 6 - HYDRAULIC ............................................................................................................................................................... 285
FIGURE 6-1. HYDRAULIC DIAGRAM - BOOM ............................................................................................................................ 286
FIGURE 6-2. HYDRAULIC DIAGRAM - DRIVE ............................................................................................................................ 290
FIGURE 6-3. HYDRAULIC DIAGRAM - OSCILLATING AXLE ..................................................................................................... 294
FIGURE 6-4. HYDRAULIC DIAGRAM - STEER ........................................................................................................................... 296
FIGURE 6-5. HYDRAULIC DIAGRAM - TURNTABLE .................................................................................................................. 298
FIGURE 6-6. HYDRAULIC DIAGRAM - AUXILIARY POWER MOTOR........................................................................................ 302
FIGURE 6-7. HYDRAULIC DIAGRAM LIST .................................................................................................................................. 304
SECTION 7 - ELECTRICAL .............................................................................................................................................................. 307
FIGURE 7-1. ELECTRICAL DIAGRAM LIST ................................................................................................................................ 308
FIGURE 7-2. HARNESS COMPONENTS INSTALLATION (WITHOUT UGM) (Prior to SN 0300087575) ................................... 310
FIGURE 7-3. HARNESS COMPONENTS INSTALLATION (WITHOUT UGM) (SN 0300087575 to Present) .............................. 326
FIGURE 7-4. HARNESS COMPONENTS INSTALLATION (WITH UGM) .................................................................................... 348
FIGURE 7-5. HARNESS COMPONENTS INSTALLATION (WITH UGM) .................................................................................... 370
SECTION 8 - DECALS ..................................................................................................................................................................... 391
FIGURE 8-1. DECAL INSTALLATION - ANSI SPEC (Prior to SN 0300089066) .......................................................................... 392
FIGURE 8-2. DECAL INSTALLATION - ANSI SPEC (SN 0300089066 to Present) ..................................................................... 396
FIGURE 8-3. DECAL INSTALLATION - ANSI EXPORT SPEC (Prior to SN 0300089066)........................................................... 400
FIGURE 8-4. DECAL INSTALLATION - ANSI EXPORT SPEC (SN 0300089066 to Present) ...................................................... 404
FIGURE 8-5. DECAL INSTALLATION - AUSTRALIAN AND CE SPEC (Prior to SN 0300089066) .............................................. 410
FIGURE 8-6. DECAL INSTALLATION - AUSTRALIAN AND CE SPEC (SN 0300089066 to Present) ......................................... 414
SECTION 9 - RECOMMENDED SERVICE PARTS STOCK ............................................................................................................ 417
FIGURE 9-1. MODEL 1250AJP STANDARD PARTS ................................................................................................................... 418
FIGURE 9-2. MODEL 1250AJP VARIABLE PARTS ..................................................................................................................... 420
SECTION 10 - SPECIAL OPTIONS ................................................................................................................................................. 421
FIGURE 10-1. SPECIAL OPTIONS .............................................................................................................................................. 422
PART NUMBER INDEX .................................................................................................................................................................... 427
8 1250AJP 3121172

SECTION 1 - FRAME

SECTION 1 - FRAME
3121172 1250AJP 9
SECTION 1 - FRAME

FIGURE 1-1. AXLE INSTALLATIONS

10 1250AJP 3121172
FIGURE 1-1. AXLE INSTALLATIONS
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
Ref
AXLE INSTALLATIONS - COMMON PARTS
0271934
Ref
Fixed Axle
K 0271521
Ref
Oscillating Axle
K 1 0100011
AR
Compound, Locking
2 0100019
AR
Compound, Locking
3 0100081
AR
Adhesive #454
4 0363037
4
Bar, Stop
6 0641606
40
Bolt 3/8in-16NC x 3/4in
7 0641608
48
Bolt 3/8in-16NC x 1in
8 0641609
32
Bolt 3/8in-16NC x 1-1/8in
9 0641611
16
Bolt 3/8in-16NC x 1-3/8in
11
0641613
8
Bolt 3/8in-16NC x 1-5/8in
13 Ref
Bolt Options:
13
0641620
4
Fixed Axle - Bolt 3/8in-16NC x 2-1/2in
13
0641624
4
Oscillating Axle - Bolt 3/8in-16NC x 3in
14
0641808
8
Bolt 1/2in-13NC x 1in
16
0642214
1
Bolt 3/4in-10NC x 1-3/4in
17
0962033
2
Bushing
18
1180358
4
Carrier
18
7024365
AR
24 in Section Repair Kit (Includes Inner and Outer Links, Joining Bars and Rollers, and Assembling Hardware)
18
7024366
1
Mounting Bracket Kit (Includes Mounting Brackets for Both Ends, 1 Roller Assembly and Assembling Hardware)
19
1320263
4
Clamp, Cable
20
1320298
4
Clamp, Hose
21
1684102
4
Axle Extension Cylinder Assembly (See CYLINDER SECTION for Breakdown)
22
3310805
8
Locknut #8-32NC
23
3340881
8
Pad, Wear
24
3340907
2
Pad, Axle (Use p/n 1001161401)
25
3340946
8
Pad, Wear (Use p/n 1001161402)
26
3340932
32
Pad, Wear (Use p/n 1001161403)
27
3340939
8
Pad, Rubber
28
3422918
1
Pin 29
3422960
4
Pin 30
3573294
4
Plate 31
3573335
8
Plate 32
3841287
1
Keeper, Pin
33
3900270
4
Bolt, Shoulder 1/2in -13NC x 1-1/2in
34
3930820
8
Capscrew #8-32NC x 1-1/4in
37
4071035
2
Shim #18 Gauge
38
4071036
4
Shim #11 Gauge
39
4071054
8
Shim #18 Gauge
40
4071055
12
Shim #11 Gauge
41
4071039
24
Shim #18 Gauge
42
4071040
36
Shim #11 Gauge
43
4071042
24
Shim #16 Gauge
46 Ref
Switch, Limit Options:
46
4360322
4
Switch, Limit (Use p/n 4360578) (Prior to SN 0300074420)
46
4360549
4
Switch, Limit (Use p/n 4360578) (SN 0300074420 through
SECTION 1 - FRAME
3121172 1250AJP 11
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
0300080868)
46
4360578
4
Switch, Limit (SN 0300080869 to Present)
47
4711600
140
Flatwasher 3/8in Thin
48
4740461
1
Thrustwasher
49
4750800
8
Flatwasher #8 Regular
50
4846637
4
Extension, Axle
51
4846383
1
Box, Axle Pivot
52
0681813
12
Bolt 1/2in-13NC x 1-5/8in (Grade 8)
53
0681814
18
Bolt 1/2in-13NC x 1-3/4in (Grade 8)
54
0681815
12
Bolt 1/2in-13NC x 1-7/8in (Grade 8)
55
0681816
6
Bolt 1/2in-13NC x 2in (Grade 8)
56
4711800
48
Flatwasher 1/2in Thin
57
4460968
4
Connector, Strain Relief
Ref
AXLE INSTALLATION - OPTIONAL PARTS
0271934
Ref
Fixed Axle
K
105
0363076
2
Bar, Stop
115
0641814
4
Bolt 1/2in-13NC x 1-3/4in
144
4071049
6
Shim 11 Gauge
145
4071050
4
Shim 16 Gauge
0271521
Ref
Oscillating Axle
K
201 to 211
Ref
(Illustration and Parts List Usage)
212
0642020
4
Bolt 5/8in-11NC x 2-1/2in
217
1684081
2
Oscillating Axle Cylinder Assembly (See CYLINDER SECTION for Breakdown)
220
3312005
4
Locknut 5/8in-11NC
225
3422833
2
Pin 226
3422915
2
Pin
231
3841258
4
Keeper, Pin
246
4712000
4
Flatwasher 5/8in Thin
254
3520054
4
Plug
0274106
Ref
AXLE STOP BLOCKS INSTALLATION
A
301
0100019
AR
Compound, Locking
302
3931816
4
Capscrew, Socket Head 1/2in-13NC x 1in
303
4220235
2
Block, Stop
SECTION 1 - FRAME
12 1250AJP 3121172
SECTION 1 - FRAME

FIGURE 1-2. STEER INSTALLATION

14 1250AJP 3121172
FIGURE 1-2. STEER INSTALLATION
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
0271520
Ref
STEER INSTALLATION
H 1 0100011
AR
Compound, Locking
2 0100019
AR
Compound, Locking
3 0100035
AR
Compound, Locking
5 0630464
4
Screw, Button Head #10-24NC x 1/2in
6 0641505
4
Bolt 5/16inin-18NC x 5/8in
7 0641511
4
Bolt 5/16in-18NC x 1-3/8in
9 0641634
4
Bolt 3/8in-16NC x 4-1/4in
10
0642016
4
Bolt 5/8in-11NC x 2in
11
0962423
8
Bushing
12
1671040
4
Cover, Sensor
13
1684314
4
Steer Cylinder Assembly
14
3311505
4
Locknut 5/16in-18NC
15
3300464
4
Nut, Slotted
17
3422917
4
Kingpin
18
3422940
4
Pin, Steer Cylinder (Outer)
19
3422941
4
Pin, Steer Cylinder (Inner)
20 Ref
Pin, Sensor Options:
20
3422942
4
Pin, Sensor (Use p/n 3423256) (Prior to SN 0300090594)
20
3423256
4
Pin, Sensor (SN 0300090594 to Present)
21
3451214
4
Pin, Cotter 3/8in x 3-1/2in
22
3760383
4
Ring, Retaining
23
3841258
4
Keeper, Pin
25
3931020
8
Capscrew #10-24NC x 1-1/4in
26
3931412
16
Capscrew 1/4in-20NC x 3/4in
27
3932024
8
Capscrew 5/8in-11NC x 1-1/2in
28 Ref
Spindle Options:
28
4130387
4
Spindle (Use p/n 1001099632) (Prior to SN 0300100131)
28
4130416
4
Spindle (Use p/n 1001099632) (SN 0300100131 to Present)
29
4360505
4
Switch, Rotary Angle Sensor (Steer)
30
4460914
4
Terminal
31
4711500
12
Flatwasher 5/16in Thin
32
4711800
4
Flatwasher 1/2in Thin
33
4740181
4
Thrustwasher
34
4740229
4
Thrustwasher
35
4740505
8
Thrustwasher
36
4751600
4
Flatwasher 3/8in Regular
37
4755000
4
Flatwasher 2-1/2in Regular
38 Ref
Arm, Steer Options:
38
4846494
4
Arm, Steer (Use p/n 0200833) (Prior to SN 0300090594)
38
0200833
4
Arm, Steer (SN 0300090594 to Present)
39
0741606
8
Screw, Countersunk 3/8in-16NC x 3/4in
40
1120549
4
Cap, Seal (Outer)
41
1120550
4
Cap, Seal (Inner)
42
3960551
4
Seal (Outer)
43
3960552
4
Seal (Inner)
44
0080277
4
Adapter, Angle Sensor Pilot (SN 0300090594 to Present)
45
4750800
8
Flatwasher #8 Regular
SECTION 1 - FRAME
3121172 1250AJP 15
SECTION 1 - FRAME

FIGURE 1-3. TIRE AND WHEEL DRIVE INSTALLATION

16 1250AJP 3121172
SECTION 1 - FRAME
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
Ref
WHEEL DRIVE INSTALLATION
0271522
Ref
With Bonfiglioli Drive Hub (Prior to SN 0300103907)
E 0275685
Ref
With Bonfiglioli Drive Hub (SN 0300103907 to Present)
B 1001104324
Ref
With Reggiana Riduttori Drive Hub
A 1 0100019
AR
Compound, Locking
3 0701617
48
Bolt M16 x 45mm (12 Per Wheel)
4 4892000
48
Flatwasher 5/8in Hardened (12 Per Wheel)
0272258
Ref
HUB AND MOTOR ASSEMBLY (Prior to SN 0300079667)
B
Ref
Note: Original Equipment hub may have been replaced with Service Replacement. Refer to tag on hub for identification before ordering parts.
101
2780248
4
Drive Hub Assembly (Use p/n 2780283 - See DRIVE HUB ASSEMBLY for Breakdown. See HUB AND MOTOR ASSEMBLY for replacement components for Service Replacement p/n
2780283.)
102
3160291
4
Drive Motor Assembly (See DRIVE MOTOR ASSEMBLY for Breakdown)
131
Ref
HUB AND MOTOR ASSEMBLY (SN 0300079667 through
0300103906)
Ref
Note: For Machines Built S/N 0300079596 to S/N 0300083552, Original Equipment may have been replaced with Service Replacement. Refer to tag on hub for identification before ordering parts.
131
2780279
4
Hub and Motor Assembly (Use p/n 2780284 - See HUB AND MOTOR ASSEMBLY for Breakdown. See HUB AND MOTOR ASSEMBLY for replacement components for Service Replacement p/n 2780284.) (SN 0300079667 through
0300083555)
131
2780284
4
Hub and Motor Assembly (See HUB AND MOTOR ASSEMBLY for Breakdown) (SN 0300083556 through 0300103906)
Ref
HUB AND MOTOR ASSEMBLY (SN 0300103907 to Present)
2780286
Ref
With Bonfiglioli Drive Hub
1001104315
Ref
With Reggiana Riduttori Drive Hub
151
Ref
Drive Hub Assembly Options:
Ref
Note: Various brands used on Machines Built S/N 0300103907 to Present. When replacing complete hub, note that all 4 hubs must be the same brand.
Ref
Note: Various brands used on Machines Built S/N 0300103907 to Present. Identify brand before ordering replacement parts.
151
2780290
4
Bonfiglioli Hub (Use p/n 1001093243) (See DRIVE HUB ASSEMBLY - BONFIGLIOLI for Breakdown) (SN 0300103907 to Present)
151
1001104325
4
Reggiana Riduttori Hub (See DRIVE HUB ASSEMBLY ­REGGIANA RIDUTTORI for Breakdown) (Prior to SN
0300079667)
152
3160339
4
Drive Motor Assembly (See DRIVE MOTOR ASSEMBLY for Breakdown)
Ref
TIRE AND WHEEL INSTALLATIONS
0271852
Ref
Foam-Filled Tires
B 1001115961
Ref
Solid Tires
A
Ref
Note: Assemblies may require ballast/foam filling to manufacturer's specifications prior to installing on a machine. Refer to Operation and Safety or Service and Maintenance Manuals. Purchase individual tire and/or rim only if able to foam fill tire and wheel assembly, otherwise, purchase complete assembly.
FIGURE 1-3. TIRE AND WHEEL DRIVE INSTALLATION
3121172 1250AJP 17
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
201
Ref
Right Side Tire and Wheel Assembly Options:
201
0272055
2
Foam-Filled Tire and Wheel Assembly
201
1001112716
2
Solid Tire and Wheel Assembly
202
Ref
Left Side Tire and Wheel Assembly Options:
202
0272056
2
Foam-Filled Tire and Wheel Assembly
202
1001112669
2
Solid Tire and Wheel Assembly
203
0701619
64
Bolt M16 x 55mm (16 Per Wheel)
204
4892000
64
Flatwasher 5/8in Hardened (16 Per Wheel)
SECTION 1 - FRAME
18 1250AJP 3121172
SECTION 1 - FRAME

FIGURE 1-4. DRIVE HUB ASSEMBLY (Prior to SN 0300079667)

20 1250AJP 3121172
SECTION 1 - FRAME
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
2780248
Ref
DRIVE HUB ASSEMBLY
C
Ref
Note: Unless there is capability to torque shaft (item 4) to 626 ft/lbs. (850Nm) Repair beyond this level is NOT advised.
Ref
Note: Original Equipment p/n 2780248 hub may have been replaced with Service Replacement p/n 2780283. - See HUB AND MOTOR ASSEMBLY for Breakdown. Refer to tag on hub for identification before ordering parts.
1
7024028
4
Gear, Planet
2 7024029
3
Gear, Planet
3 7022535
1
Gear, Sun
4 7022536
1
Nut, Shaft
5 7021388
3
Pin, Planet
7 7022537
1
Carrier, Planet
8 7022538
1
Cover 9
7024967
1
Button, Thrust
10
7024029
3
Bearing, Roller
11
7024028
4
Bearing, Roller
12
7022536
1
Bearing, Ball
13
7022540
2
Bolt, Hex
14
7024029
3
Ring, Retaining
15
7024028
4
Ring, Retaining
16
7022546
1
Ring, Retaining
17
7024029
3
Ring, Stay
19
7024966
1
O-Ring
20
7024968
1
Seal, Face
21
7022550
2
Plug 22
7022540
2
Seal, Ring
23
7022536
2
Bolt 24
See Note
2
Ball (Note: Not Available for Purchase)
27
See Note
2
Bolt (Note: Not Available for Purchase)
28
See Note
2
Washer (Note: Not Available for Purchase)
30
7022556
1
Gear, Ring
33
7022540
1
O-Ring
40
7024030
3
Gear, Planet
41
7022559
1
Carrier, Planet
42
7022560
1
Gear, Sun
43
7022540
1
Gear, Sun
44
7022540
1
Shaft, Input
45
7011326
3
Pin, Planet
46
7024030
3
Bearing, Roller
47
7022564
1
Ring, Retaining
48
7024030
3
Ring, Retaining
50
7024030
3
Ring, Stay
51
7022567
1
Cover 52
7022568
1
Thrustwasher
53
7022536
2
Bolt 54
7022540
1
O-Ring
55
7022540
1
Spring, Pressure
60
7022572
1
Spindle
61
7022573
1
Piston
FIGURE 1-4. DRIVE HUB ASSEMBLY (Prior to SN 0300079667)
3121172 1250AJP 21
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
62
7022574
1
Coupler
63
7022575
1
Ring, Locator
64
7021354
1
Plate, Back-up
65
7022576
1
Plate, Back-up
66
7022577
1
Ring, Retaining
67
7022578
1
Ring, Retaining
68
7022509
1
Ring, Retaining
69
7022579
2
Bolt 72
7022580
4
Disc, Brake
73
7022580
5
Disc, Brake
74
7022580
16
Spring
75
7022581
2
Ring, Back-up
76
7022581
1
Seal 77
7022581
2
Ring, Back-up
78
7022581
1
Seal 87
7024032
1
O-Ring
120
See Note
1
Motor Assembly (Note: See Separate Parts List)
121
7024031
1
O-Ring (Not Shown)
224
7024969
2
Pin, Slotted (Not Shown)
251
7022581
1
Kit 1 - Brake Seal Kit (Includes Items 75-78)
252
7022580
1
Kit 2 - Brake Disc Kit (Includes Items 72-74)
252
7022536
1
Kit 3 - Bearing Kit (Includes Items 4, 12, 23 & 53)
252
7024030
1
Kit 4 - Planet Gear and Bearing Kit (Includes Items 40, 46, 48 &
50)
252
7024029
1
Kit 5 - Planet Gear and Bearing Kit (Includes Items 2, 10, 14 &
17) 252
7024028
1
Kit 6 - Planet Gear and Bearing Kit (Includes Items 1, 11 & 15)
252
7022540
1
Kit 7 - Mechanical Disconnect Kit (Includes Items 13, 22, 33, 43, 44, 54 & 55)
SECTION 1 - FRAME
22 1250AJP 3121172
SECTION 1 - FRAME

FIGURE 1-5. DRIVE MOTOR ASSEMBLY (Prior to SN 0300079667)

24 1250AJP 3121172
SECTION 1 - FRAME
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
3160291
Ref
DRIVE MOTOR ASSEMBLY
C 1 7012716
1
Rotary Group Assembly
2 See Note
1
Piston, Control (Note: Not Available - Purchase Complete
3 See Note
1
Rod, Piston (Note: Not Available - Purchase Complete Motor)
5 See Note
1
Housing (Note: Not Available - Purchase Complete Motor)
6 See Note
1
Plate, Port (Note: Not Available - Purchase Complete Motor)
7 7024036
1
Plate, Swash
8 7024037
1
Driveshaft
9 See Note
1
Plug, Screw (Note: Not Available for Purchase)
12
7012704
1
Shim 13
See Note
1
Stop Screw (Note: Not Available for Purchase)
15
7024038
1
Bearing
16
7012706
1
Bearing
17
7024039
2
Shell, Cradle
20
7024034
1
Seal, Shaft
21
7024034
1
O-Ring 22
7024034
1
O-Ring 23
7024034
2
O-Ring 24
7024034
1
Seal 25
7012715
1
V-Ring 27
7024040
4
Screw, Sockethead M12 x 60mm
29
See Note
1
Ring, Stop (Note: Not Available for Purchase)
30
See Note
1
Plug (Note: Not Available for Purchase)
33
See Note
1
Pin, Dowel (Note: Not Available for Purchase)
35
See Note
1
Nut M10 (Note: Not Available for Purchase)
36
See Note
1
Nut, Cap M10 (Note: Not Available for Purchase)
37
7024034
1
Plug 38
7024041
1
Orifice 39
7024034
1
O-Ring 51
7024034
1
Seal Kit (Includes Items 20-24, 37 & 39)
FIGURE 1-5. DRIVE MOTOR ASSEMBLY (Prior to SN 0300079667)
3121172 1250AJP 25
SECTION 1 - FRAME

FIGURE 1-6. HUB AND MOTOR ASSEMBLY (SN 0300079667 through 0300083555)

26 1250AJP 3121172
SECTION 1 - FRAME
3121172 1250AJP 27
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
2780279
Ref
DRIVE HUB AND MOTOR ASSEMBLY
B
Ref
Note: For Machines Buil S/N 0300079667 to S/N 0300083556, Original Equipment p/n 2780279 may have been replaced with Service Replacement p/n 2780284 - See HUB AND MOTOR ASSEMBLY for Breakdown. Refer to tag on hub for identification before ordering parts.
Ref
Note: Unless there is capability to torque shaft (item 5) to 626 ft/lbs. (850Nm) Repair beyond this level is NOT advised.
1
2780248
1
Hub, Torque
2 7024028
4
Gear, Planet
3 7024029
3
Gear, Planet
4 7022535
1
Gear, Sun
5 7022536
1
Nut, Shaft
6
7021388
3
Pin, Planet
8
7022537
1
Carrier, Planet
9 7022538
1
Cover
10
7024967
1
Button, Thrust
11
7024029
3
Bearing, Roller
12
7024028
4
Bearing, Roller
13
7022536
1
Bearing, Ball
14
7022540
2
Bolt, Hex
15
7024029
3
Ring, Retaining
16
7024028
4
Ring, Retaining
17
7022546
1
Ring, Retaining
18
7024029
3
Ring, Stay
20
7024966
1
O-Ring
21
7024968
1
Seal, Face
22
7022550
2
Plug 23
7022540
2
Seal, Ring
24
7022536
2
Bolt 25
See Note
2
Ball (Note: Not available for purchase)
28
See Note
2
Bolt (Note: Not Available for Purchase)
29
See Note
2
Washer (Note: Not Available for Purchase)
31
7022556
1
Gear, Ring
34
7022540
1
O-Ring
41
7024030
3
Gear, Planet
42
7022559
1
Carrier, Planet
43
7022560
1
Gear, Sun
44
7022540
1
Gear, Sun
45
7022540
1
Shaft, Input
46
7011326
3
Pin, Planet
47
7024030
3
Bearing, Roller
48
7022564
1
Ring, Retaining
49
7024030
3
Ring, Retaining
51
7024030
3
Ring, Stay
52
7022567
1
Cover
53
7022568
1
Thrustwasher
54
7022536
2
Bolt 55
7022540
1
O-Ring
56
7022540
1
Spring, Pressure
61
7022572
1
Spindle
SECTION 1 - FRAME
FIGURE 1-6. HUB AND MOTOR ASSEMBLY (SN 0300079667 through 0300083555)
28 1250AJP 3121172
SECTION 1 - FRAME
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
62
7022573
1
Piston
63
7022574
1
Coupler
64
7022575
1
Ring, Locator
65
7021354
1
Plate, Back-up
66
7022576
1
Plate, Back-up
67
7022577
1
Ring, Retaining
68
7022578
1
Ring, Retaining
69
7022509
1
Ring, Retaining
70
7022579
2
Bolt 73
7022580
4
Disc, Brake
74
7022580
5
Disc, Brake
75
7022580
16
Spring
76
7022581
2
Ring, Back-up
77
7022581
1
Seal
78
7022581
2
Ring, Back-up
79
7022581
1
Seal
88
7024032
1
O-Ring
89
3160291
1
Motor Assembly (Note: See Items 101 to 139 for Breakdown)
90
7024031
1
O-Ring (Not Shown)
91
7024969
2
Pin, Slotted (Not Shown)
92
2130812
1
Fitting 90 Degree
93
2110812
1
Fitting, Straight
94
2110808
1
Fitting, Straight
95
2110404
1
Fitting, Straight
96
2130404
1
Fitting 90 Degree
97
7022581
1
Kit 1 - Brake Seal Kit (Includes Items 76-79)
98
7022580
1
Kit 2 - Brake Disc Kit (Includes Items 73-75)
98
7022536
1
Kit 3 - Bearing Kit (Includes Items 5, 13, 24 & 54)
98
7024030
1
Kit 4 - Planet Gear and Bearing Kit (Includes Items 41, 47, 49 &
51)
98
7024029
1
Kit 5 - Planet Gear and Bearing Kit (Includes Items 3, 11, 15 &
18) 98
7024028
1
Kit 6 - Planet Gear and Bearing Kit (Includes Items 2, 12 & 16)
98
7022540
1
Kit 7 - Mechanical Disconnect Kit (Includes Items 14, 23, 34, 44, 45, 55 & 56)
3160291
Ref
DRIVE MOTOR ASSEMBLY
A
101
7012716
1
Rotary Group Assembly
102
See Note
1
Piston, Control (Note: Not Available - Purchase Complete)
103
See Note
1
Rod, Piston (Note: Not Available - Purchase Complete)
105
See Note
1
Housing (Note: Not Available - Purchase Complete Motor)
106
See Note
1
Plate, Port (Note: Not Available - Purchase Complete Motor)
107
7024036
1
Plate, Swash
108
7024037
1
Driveshaft
109
See Note
1
Plug, Screw (Note: Not Available For Purchase)
112
7012704
1
Shim 113
See Note
1
Stop Screw (Note: Not Available For Purchase)
115
7024038
1
Bearing
116
7012706
1
Bearing
117
7024039
2
Shell, Cradle
120
7024034
1
Seal, Shaft
121
7024034
1
O-Ring
122
7024034
1
O-Ring
3121172 1250AJP 29
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
123
7024034
2
O-Ring
124
7024034
1
Seal 125
7012715
1
V-Ring
127
7024040
4
Screw, Socket Head M12 x 60mm
129
See Note
1
Ring, Stop (Note: Not Available For Purchase)
130
See Note
1
Plug (Note: Not Available For Purchase)
133
See Note
1
Pin, Dowel (Note: Not Available For Purchase)
135
See Note
1
Nut M10 (Note: Not Available For Purchase)
136
See Note
1
Nut, Cap M10 (Note: Not Available For Purchase)
137
7024034
1
Plug 138
7024041
1
Orifice
139
7024034
1
O-Ring
151
7024034
1
Seal Kit (Includes Items 120-124, 137 & 139)
SECTION 1 - FRAME
30 1250AJP 3121172
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