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Service Repair Manual
Models
329DL MOBILE HYD
POWER UNIT Excavator
Shutdown SIS
Previous Screen
Product: MOBILE HYD POWER UNIT
Model: 329D L MOBILE HYD POWER UNIT J9D
Configuration: 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C7 Engine
Disassembly and Assembly
320 VH and VM Variable Gauge Undercarriage
Media Number -KENR8183-01 Publication Date -01/05/2012 Date Updated -24/05/2012
i03124522
Travel Motor - Disassemble
SMCS - 4351-015
S/N - J9D1-UP
S/N - L5G1-UP
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
1U-7506 Adapter 1
8T-4244 Nut 6
8T-4223 Hard Washer 6
- Threaded RodM12 x 1.75 by 250 mm (10 in) long 1
B
8T-0651 Bolt 1
8T-4167 Hard Washer 1
C 3E-3882 Eyebolt 1
D 1P-1859 Retaining Ring Pliers 1
E
1P-0510 Driver Gp 1
9S-9152 Bearing Puller Gp 1
F 1P-1861 Retaining Ring Pliers 1
Start By:
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A. Remove the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Remove".
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
1. Thoroughly clean the outside of the travel motor prior to disassembly.
2. Fasten the travel motor in Tooling (A) in a vertical position. The weight of the travel motor
is approximately 60 kg (132 lb).
3. Put an alignment mark across the head and the body of the travel motor for assembly
purposes. The head must be reinstalled in the head's original position on the body of the
travel motor.
Illustration 1 g00887295
Note: During the removal of head (2) from the travel motor, be careful not to damage the
mating surfaces of the components.
Spring force can cause personal injury or death.
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Do not repair until you have read the Operation and Maintenance
Manual.
4. Remove bolts (1) .
5. Remove head (2) from the body of the travel motor.
Illustration 2 g00887302
6. Remove O-ring seal (3) , port plate (4) , and bearing (5) .
Illustration 3 g00887311
7. Remove O-ring seals (6) . Remove springs (7) .
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Illustration 4 g00887331
Illustration 5 g00890074
This is an example of the use of Tooling (B) .
8. Place a shop towel over brake piston (8) . Retain brake piston (8) with Tooling (B) . Apply
approximately 525 kPa (75 psi) of shop air pressure to brake release Port (Y) . Make sure
that the shop air pressure is free of water. Brake piston (8) will move up the piston guide,
and out of the piston guide. Remove brake piston (8) from the body of the travel motor.
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Illustration 6 g00887336
9. Remove seal (9) and backup ring (10) from the brake piston.
10. Remove seal (11) and backup ring (12) from the brake piston.
Illustration 7 g00887355
11. Remove plates (13) and friction discs (14) .
Illustration 8 g00887401
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Illustration 9 g00887405
12. Install Tooling (C) into shaft (15) . Use a prybar to remove the rotating assembly (16) from
the housing.
13. Remove Tooling (C) from shaft (15) .
Illustration 10 g00887424
14. Remove shaft (15) from rotating assembly (16) .
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Illustration 11 g00887426
15. Use Tooling (D) in order to remove retaining ring (17) from shaft (15) .
Illustration 12 g00887445
16. Install shaft (15) into a suitable press. Remove bearing race (18) from the shaft.
Illustration 13 g00887463
17. Rotate shaft (15) . Install shaft (15) into a suitable press. Install Tooling (E) . Remove
bearing race (19) from shaft (15) .
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Illustration 14 g00887501
18. Remove cam plate (20) from barrel assembly (21) .
Illustration 15 g00887520
19. Remove piston assemblies and retainer plate (22) from barrel assembly (21) .
Note: Place marks on the pistons and the barrel assembly. The pistons must be returned to
the original position.
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Illustration 16 g00887558
20. Remove ball (23) and springs (24) .
Illustration 17 g00887578
21. Remove bearing (25) .
22. Remove keys (26) and locating pins (not shown) from the body of the travel motor.
Illustration 18 g00887589
23. Rotate the housing. Use Tooling (F) in order to remove retaining ring (27) .
24. Remove seal (28) .
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Illustration 19 g00887619
25. Remove bolts (29) and cover (30) .
Illustration 20 g00887729
26. Remove seal (31) and backup ring (32) .
Illustration 21 g00887754
27. Remove piston actuator (33) and seal (34) .
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Illustration 22 g00887762
28. Remove O-ring seal (35) from the housing of the travel motor.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Apr 18 14:15:42 UTC+0800 2020
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Shutdown SIS
Previous Screen
Product: MOBILE HYD POWER UNIT
Model: 329D L MOBILE HYD POWER UNIT J9D
Configuration: 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C7 Engine
Disassembly and Assembly
320 VH and VM Variable Gauge Undercarriage
Media Number -KENR8183-01 Publication Date -01/05/2012 Date Updated -24/05/2012
i03124523
Travel Motor - Assemble
SMCS - 4351-016
S/N - J9D1-UP
S/N - L5G1-UP
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
1U-7506 Adapter 1
8T-4244 Nut 6
8T-4223 Hard Washer 6
- Threaded Rod M12 x 1.75 X 250 mm (10 in) long 1
C 3E-3882 Eyebolt 1
D 1P-1859 Retaining Ring Pliers 1
E
1P-0510 Driver Gp 1
9S-9152 Bearing Puller Gp 1
F 1P-1861 Retaining Ring Pliers 1
G 9S-3263 Thread Lock Compound -
Note: Replace all O-ring seals and gaskets. Apply a light film of"10W" oil to all components
before assembly.
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Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned
in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts.
Lint may be deposited on the parts which may cause trouble later. Inspect all parts. If any parts are
worn or damaged, use new parts for replacement. All disassembly and all assembly procedures
must be performed on a clean work surface and in a clean hydraulic area. Keep cleaned parts
covered and protected at all times.
Illustration 1 g00887762
1. Install O-ring seal (35) onto the housing of the travel motor.
Illustration 2 g00887754
2. Install seal (34) and piston actuator (33) .
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Illustration 3 g00887729
3. Install backup ring (32) and seal (31) .
Illustration 4 g00887619
4. Install cover (30) and bolts (29) . Tighten bolts (29) to a torque of 28 ± 7 N·m (21 ± 5 lb ft).
Illustration 5 g00887589
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5. Apply Tooling (G) to the mating surface of seal (28) . Use Tooling (E) in order to install
seal (28) .
6. Use Tooling (F) in order to install retaining ring (27) .
Illustration 6 g00887578
7. Rotate the housing.
8. Install keys (26) and locating pins (not shown) into the body of the travel motor.
9. Install bearing (25) .
Illustration 7 g00887558
Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
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10. Install springs (24) into the barrel. Install ball (23) onto springs (24) .
Illustration 8 g00887520
11. Install piston assemblies and retainer plate (22) into barrel assembly (21) .
Note: Take note of the mark on the piston assembly and the barrel assembly. The pistons
must be returned to the same position.
Illustration 9 g00887501
12. Install cam plate (20) onto barrel assembly (21) .
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Illustration 10 g00888697
13. Install shaft (15) into a suitable press. Install bearing race (19) onto shaft (15) .
Illustration 11 g00887426
14. Rotate shaft (15) in the suitable press. Use Tooling (D) to install retaining ring (17) onto
shaft (15) .
Illustration 12 g00888710
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15. Install bearing race (18) onto shaft (15) .
Note: Bearing race (18) must contact retaining ring (17) .
Illustration 13 g00887405
16. Install Tooling (C) into shaft (15) . Install shaft (15) into rotating assembly (16) .
17. Place the pump housing into Tooling (A) .
Illustration 14 g00887401
18. Use Tooling (C) in order to install rotating assembly (16) into the housing.
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Illustration 15 g00887501
Illustration 16 g00887578
19. The notches in cam plate (20) must align with keys (26) . The keys are located in the bottom
of the housing of the travel motor.
Illustration 17 g00887355
20. Install plates (13) and friction discs (14) into the housing.
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Note: Install the plates and the discs alternately.
Illustration 18 g00887336
21. Install backup ring (12) and seal (11) onto the brake piston.
22. Install backup ring (10) and seal (9) onto the brake piston.
Illustration 19 g00888967
23. Rotate brake piston (8) .
24. Install brake piston (8) into the housing.
Note: Brake piston (8) must be level upon installation. The brake piston must be level in
order to prevent damage to the O-ring seals.
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Illustration 20 g00887311
25. Install springs (7) and O-ring seals (6) .
Illustration 21 g00887302
26. Install O-ring seal (3) , port plate (4) , and bearing (5) .
Illustration 22 g00887295
27. Install head (2) onto the body of the travel motor.
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Note: During the installation of head (2) onto the travel motor, be careful not to damage the
mating surfaces of the components.
28. Install bolts (1) . Tighten bolts (1) to a torque of 240 ± 40 N·m (177 ± 30 lb ft).
End By: Install the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Apr 18 14:16:38 UTC+0800 2020
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Shutdown SIS
Previous Screen
Product: MOBILE HYD POWER UNIT
Model: 329D L MOBILE HYD POWER UNIT J9D
Configuration: 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C7 Engine
Disassembly and Assembly
320 VH and VM Variable Gauge Undercarriage
Media Number -KENR8183-01 Publication Date -01/05/2012 Date Updated -24/05/2012
i04893712
Final Drive - Disassemble
SMCS - 4050-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P - 2420 Repair Stand 1
B 1U - 6400 Puller 1
C
5P - 8707 Plate 1
1P - 0520 Driver Group 1
5F - 7366 Forcing Bolt 1
8T - 0207 Bolt 2
3H - 0465 Puller Plate 2
1P - 5546 Cross Block 1
Start By:
a. Remove the final drive.
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Illustration 1 g03034523
1. Secure final drive (3) to Tooling (A) The weight of the final drive is approximately 254 kg
(560 lb). Remove bolts (2) and housing (1). Remove O-ring seal from housing (1).
Illustration 2 g03034527
Illustration 3 g03034528
2. Remove retaining ring (4) and planet gear (5). If necessary, use Tooling (B) to remove
planet gears (5).
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Illustration 4 g03034530
3. Remove retaining ring (7) and planet gear carrier (6).
Illustration 5 g03034536
4. Remove sun gear (8).
Illustration 6 g03034556
5. Remove spacer (9) from sun gear (8).
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Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
Illustration 7 g03034559
Illustration 8 g03034582
6. Remove sun gear (12) and remove retaining ring (10) and planet gears (11). If necessary,
use Tooling (B) to remove planet gears (11).
Illustration 9 g03034575
7. Remove retaining ring (13) and planet carrier (14).
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Caterpillar Cat 329DL MOBILE HYD POWER UNIT Excavator (Prefix J9D) Service Repair Manual Instant Download.pdf

  • 1. Service Repair Manual Models 329DL MOBILE HYD POWER UNIT Excavator
  • 2. Shutdown SIS Previous Screen Product: MOBILE HYD POWER UNIT Model: 329D L MOBILE HYD POWER UNIT J9D Configuration: 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C7 Engine Disassembly and Assembly 320 VH and VM Variable Gauge Undercarriage Media Number -KENR8183-01 Publication Date -01/05/2012 Date Updated -24/05/2012 i03124522 Travel Motor - Disassemble SMCS - 4351-015 S/N - J9D1-UP S/N - L5G1-UP Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-7506 Adapter 1 8T-4244 Nut 6 8T-4223 Hard Washer 6 - Threaded RodM12 x 1.75 by 250 mm (10 in) long 1 B 8T-0651 Bolt 1 8T-4167 Hard Washer 1 C 3E-3882 Eyebolt 1 D 1P-1859 Retaining Ring Pliers 1 E 1P-0510 Driver Gp 1 9S-9152 Bearing Puller Gp 1 F 1P-1861 Retaining Ring Pliers 1 Start By: 1/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 3. A. Remove the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Remove". NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. 1. Thoroughly clean the outside of the travel motor prior to disassembly. 2. Fasten the travel motor in Tooling (A) in a vertical position. The weight of the travel motor is approximately 60 kg (132 lb). 3. Put an alignment mark across the head and the body of the travel motor for assembly purposes. The head must be reinstalled in the head's original position on the body of the travel motor. Illustration 1 g00887295 Note: During the removal of head (2) from the travel motor, be careful not to damage the mating surfaces of the components. Spring force can cause personal injury or death. 2/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 4. Do not repair until you have read the Operation and Maintenance Manual. 4. Remove bolts (1) . 5. Remove head (2) from the body of the travel motor. Illustration 2 g00887302 6. Remove O-ring seal (3) , port plate (4) , and bearing (5) . Illustration 3 g00887311 7. Remove O-ring seals (6) . Remove springs (7) . 3/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 5. Illustration 4 g00887331 Illustration 5 g00890074 This is an example of the use of Tooling (B) . 8. Place a shop towel over brake piston (8) . Retain brake piston (8) with Tooling (B) . Apply approximately 525 kPa (75 psi) of shop air pressure to brake release Port (Y) . Make sure that the shop air pressure is free of water. Brake piston (8) will move up the piston guide, and out of the piston guide. Remove brake piston (8) from the body of the travel motor. 4/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 6. Illustration 6 g00887336 9. Remove seal (9) and backup ring (10) from the brake piston. 10. Remove seal (11) and backup ring (12) from the brake piston. Illustration 7 g00887355 11. Remove plates (13) and friction discs (14) . Illustration 8 g00887401 5/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 7. Illustration 9 g00887405 12. Install Tooling (C) into shaft (15) . Use a prybar to remove the rotating assembly (16) from the housing. 13. Remove Tooling (C) from shaft (15) . Illustration 10 g00887424 14. Remove shaft (15) from rotating assembly (16) . 6/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 8. Illustration 11 g00887426 15. Use Tooling (D) in order to remove retaining ring (17) from shaft (15) . Illustration 12 g00887445 16. Install shaft (15) into a suitable press. Remove bearing race (18) from the shaft. Illustration 13 g00887463 17. Rotate shaft (15) . Install shaft (15) into a suitable press. Install Tooling (E) . Remove bearing race (19) from shaft (15) . 7/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 9. Illustration 14 g00887501 18. Remove cam plate (20) from barrel assembly (21) . Illustration 15 g00887520 19. Remove piston assemblies and retainer plate (22) from barrel assembly (21) . Note: Place marks on the pistons and the barrel assembly. The pistons must be returned to the original position. 8/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 10. Illustration 16 g00887558 20. Remove ball (23) and springs (24) . Illustration 17 g00887578 21. Remove bearing (25) . 22. Remove keys (26) and locating pins (not shown) from the body of the travel motor. Illustration 18 g00887589 23. Rotate the housing. Use Tooling (F) in order to remove retaining ring (27) . 24. Remove seal (28) . 9/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 11. Illustration 19 g00887619 25. Remove bolts (29) and cover (30) . Illustration 20 g00887729 26. Remove seal (31) and backup ring (32) . Illustration 21 g00887754 27. Remove piston actuator (33) and seal (34) . 10/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY ... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 12. Illustration 22 g00887762 28. Remove O-ring seal (35) from the housing of the travel motor. Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Sat Apr 18 14:15:42 UTC+0800 2020 11/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY ... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 13. Shutdown SIS Previous Screen Product: MOBILE HYD POWER UNIT Model: 329D L MOBILE HYD POWER UNIT J9D Configuration: 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C7 Engine Disassembly and Assembly 320 VH and VM Variable Gauge Undercarriage Media Number -KENR8183-01 Publication Date -01/05/2012 Date Updated -24/05/2012 i03124523 Travel Motor - Assemble SMCS - 4351-016 S/N - J9D1-UP S/N - L5G1-UP Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-7506 Adapter 1 8T-4244 Nut 6 8T-4223 Hard Washer 6 - Threaded Rod M12 x 1.75 X 250 mm (10 in) long 1 C 3E-3882 Eyebolt 1 D 1P-1859 Retaining Ring Pliers 1 E 1P-0510 Driver Gp 1 9S-9152 Bearing Puller Gp 1 F 1P-1861 Retaining Ring Pliers 1 G 9S-3263 Thread Lock Compound - Note: Replace all O-ring seals and gaskets. Apply a light film of"10W" oil to all components before assembly. 1/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 14. Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause trouble later. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. All disassembly and all assembly procedures must be performed on a clean work surface and in a clean hydraulic area. Keep cleaned parts covered and protected at all times. Illustration 1 g00887762 1. Install O-ring seal (35) onto the housing of the travel motor. Illustration 2 g00887754 2. Install seal (34) and piston actuator (33) . 2/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 15. Illustration 3 g00887729 3. Install backup ring (32) and seal (31) . Illustration 4 g00887619 4. Install cover (30) and bolts (29) . Tighten bolts (29) to a torque of 28 ± 7 N·m (21 ± 5 lb ft). Illustration 5 g00887589 3/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 16. 5. Apply Tooling (G) to the mating surface of seal (28) . Use Tooling (E) in order to install seal (28) . 6. Use Tooling (F) in order to install retaining ring (27) . Illustration 6 g00887578 7. Rotate the housing. 8. Install keys (26) and locating pins (not shown) into the body of the travel motor. 9. Install bearing (25) . Illustration 7 g00887558 Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. 4/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 17. 10. Install springs (24) into the barrel. Install ball (23) onto springs (24) . Illustration 8 g00887520 11. Install piston assemblies and retainer plate (22) into barrel assembly (21) . Note: Take note of the mark on the piston assembly and the barrel assembly. The pistons must be returned to the same position. Illustration 9 g00887501 12. Install cam plate (20) onto barrel assembly (21) . 5/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 18. Illustration 10 g00888697 13. Install shaft (15) into a suitable press. Install bearing race (19) onto shaft (15) . Illustration 11 g00887426 14. Rotate shaft (15) in the suitable press. Use Tooling (D) to install retaining ring (17) onto shaft (15) . Illustration 12 g00888710 6/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 19. 15. Install bearing race (18) onto shaft (15) . Note: Bearing race (18) must contact retaining ring (17) . Illustration 13 g00887405 16. Install Tooling (C) into shaft (15) . Install shaft (15) into rotating assembly (16) . 17. Place the pump housing into Tooling (A) . Illustration 14 g00887401 18. Use Tooling (C) in order to install rotating assembly (16) into the housing. 7/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 20. Illustration 15 g00887501 Illustration 16 g00887578 19. The notches in cam plate (20) must align with keys (26) . The keys are located in the bottom of the housing of the travel motor. Illustration 17 g00887355 20. Install plates (13) and friction discs (14) into the housing. 8/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 21. Note: Install the plates and the discs alternately. Illustration 18 g00887336 21. Install backup ring (12) and seal (11) onto the brake piston. 22. Install backup ring (10) and seal (9) onto the brake piston. Illustration 19 g00888967 23. Rotate brake piston (8) . 24. Install brake piston (8) into the housing. Note: Brake piston (8) must be level upon installation. The brake piston must be level in order to prevent damage to the O-ring seals. 9/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 22. Illustration 20 g00887311 25. Install springs (7) and O-ring seals (6) . Illustration 21 g00887302 26. Install O-ring seal (3) , port plate (4) , and bearing (5) . Illustration 22 g00887295 27. Install head (2) onto the body of the travel motor. 10/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY ... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 23. Note: During the installation of head (2) onto the travel motor, be careful not to damage the mating surfaces of the components. 28. Install bolts (1) . Tighten bolts (1) to a torque of 240 ± 40 N·m (177 ± 30 lb ft). End By: Install the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Install". Copyright 1993 - 2020 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Sat Apr 18 14:16:38 UTC+0800 2020 11/11 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY ... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 24. Shutdown SIS Previous Screen Product: MOBILE HYD POWER UNIT Model: 329D L MOBILE HYD POWER UNIT J9D Configuration: 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C7 Engine Disassembly and Assembly 320 VH and VM Variable Gauge Undercarriage Media Number -KENR8183-01 Publication Date -01/05/2012 Date Updated -24/05/2012 i04893712 Final Drive - Disassemble SMCS - 4050-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P - 2420 Repair Stand 1 B 1U - 6400 Puller 1 C 5P - 8707 Plate 1 1P - 0520 Driver Group 1 5F - 7366 Forcing Bolt 1 8T - 0207 Bolt 2 3H - 0465 Puller Plate 2 1P - 5546 Cross Block 1 Start By: a. Remove the final drive. 1/8 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 25. Illustration 1 g03034523 1. Secure final drive (3) to Tooling (A) The weight of the final drive is approximately 254 kg (560 lb). Remove bolts (2) and housing (1). Remove O-ring seal from housing (1). Illustration 2 g03034527 Illustration 3 g03034528 2. Remove retaining ring (4) and planet gear (5). If necessary, use Tooling (B) to remove planet gears (5). 2/8 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 26. Illustration 4 g03034530 3. Remove retaining ring (7) and planet gear carrier (6). Illustration 5 g03034536 4. Remove sun gear (8). Illustration 6 g03034556 5. Remove spacer (9) from sun gear (8). 3/8 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 27. Suggest: If the above button click is invalid. Please download this document first, and then click the above link to download the complete manual. Thank you so much for reading
  • 28. Illustration 7 g03034559 Illustration 8 g03034582 6. Remove sun gear (12) and remove retaining ring (10) and planet gears (11). If necessary, use Tooling (B) to remove planet gears (11). Illustration 9 g03034575 7. Remove retaining ring (13) and planet carrier (14). 4/8 329D L Mobile Hydraulic Power Unit J9D00001-UP (MACHINE) POWERED BY C... 2020/4/18 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...