Caterpillar Cat 352F Excavator (Prefix A9J) Service Repair Manual (A9J00001 and up).pdf

Service Repair Manual
Models
352F, 352F-VG Excavator

Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 352F-VG EXCAVATOR A9J
Configuration: 352F Excavators A9J00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
349F and 352F Excavators Machine Systems
Media Number -UENR0194-04 Publication Date -01/02/2018 Date Updated -21/02/2018
i06563914
Counterbalance Valve (Travel) - Assemble
SMCS - 5111; 5811-016-KV
Specifications
Illustration 1 g03845461
Table 1
Specification for 266-7843 Travel Counterbalance Valve Gp
Item Qty Part Specification Description
1 2 116-3510 Plug Torque to 190 ± 20 N·m (140 ± 15 lb ft).
2 2 173-3524 Spring Free length is 60 mm (2.4 inch).
3 2 150-5733 Plug Torque to 17 ± 2 N·m (150 ± 18 lb in).
4 2 110-5525 Plug Torque to 53 ± 3 N·m (39 ± 2 lb ft).
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352F Excavators A9J00001-UP (MACHINE) POWERED BY C13 Engine(SEBP6546...
2020/10/12
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Section A-A
Table 2
5 1 241-6158 Plug Torque to 34 ± 3 N·m (301 ± 27 lb in).
6 1 116-3503 Spring Free length is 18.5 mm (0.73 inch).
Section B-B
Table 3
7 2 173-3523 Spring Free length is 71.5 mm (2.81 inch).
8 - - Tighten the nut to 10 ± 1 N·m (89 ± 9 lb in).
9 2 191-5700 Pilot Relief Valve Gp Torque to 295 ± 5 N·m (220 ± 4 lb ft).
Assembly Procedure
Table 4
Required Tools
Tool Part Number Part Description Qty
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A
9T-3665 Rods 2
6V-8149 Nuts 2
5P-8245 Hard Washers 2
8B-7560 Step Plate 1
5F-7465 Puller Gp 1
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
1. Install O-ring seals (29) and (28).
2. Install O-ring seal (27) and two backup rings (26).
3. Install O-ring seal (25) and two backup rings (24).
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4. Install relief valves (23) in the valve body. Tighten relief valves (23) to a torque of
295 ± 5 N·m (218 ± 4 lb ft).
5. Install O-ring seal (22) on plug (20).
6. Install drive (21), valve (17), sleeve (18), spring (19), and plug (20) in valve body (10). Tighten
plug (20) to a torque of 34 ± 3 N·m (25 ± 2 lb ft).
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7. Install O-ring seal (13) on plug (12). Tighten plug (12) to a torque of 190 ± 20 N·m
(140 ± 15 lb ft).
8. Install stem (16), sleeve (15), spring (14), and plug (12) in valve body (10). Tighten plug (12)
to a torque of 190 ± 20 N·m (140 ± 15 lb ft).
Note: Prior to installation, thoroughly clean the outer surface of spool assembly (11).
9. Install spool assembly (11) in the valve body (10).
10. Install seats (9), springs (8), and plungers (9) in the valve body.
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11. Install socket head bolts (5) in cover (6).
12. Place cover (6) over plunger (7), and install Tooling (A), as shown. Make sure that cover (6) is
square with the valve body by measuring Dimension (X) on both sides of the cover.
13. Compress cover (6) with Tooling (A), while you keep Dimension (X) equal on each side of the
cover. Continue to compress until the cover contacts the valve body. Tighten two socket head
bolts (5).
14. Remove Tooling (A) from the counterbalance valve. Install the remaining two socket head
bolts (5).
15. Repeat Steps 11,12,13, and 14 to install the opposite cover (6).
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16. Install O-ring seals (4) on plugs (3). Install plugs (3) in the valve body. Tighten plug (3) to a
torque of 17 ± 2 N·m (150 ± 18 lb in).
17. Install O-ring seals (2) and O-ring seals (1) on the valve body.
End By:
a. Install the counterbalance valve (travel).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Oct 12 11:50:06 UTC+0800 2020
7/7
2020/10/12

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Product: EXCAVATOR
i04243951
Travel Motor - Remove and Install
SMCS - 4351-010
Removal Procedure
Table 1
Required Tools
A 123-4370 Rods 2
Start By:
a. Remove the counterbalance valve.
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1. Disconnect hose assemblies (1) and (2).
2. Remove two bolts (2). Install Tooling (A). Remove the remaining bolts (2) and reposition
travel motor (3). Attach a suitable lifting device to travel motor (3). The weight of travel
motor (3) is approximately 143 kg (315 lb). Remove travel motor (3) and the O-ring seal.
3. Remove coupling (4).
Installation Procedure
1. Install travel motor (3) in the reverse order of removal.
Mon Oct 12 11:51:02 UTC+0800 2020
2/2
2020/10/12

Shutdown SIS
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Product: EXCAVATOR
i04243909
Travel Motor - Disassemble
SMCS - 4351-015
Disassembly Procedure
Table 1
Required Tools
A 138-7574 Link Bracket 1
B - Bolt M4 x 0.7 1
C 6V-3010 Puller Gp 1
D 3E-3879 Eyebolt 1
E 9S-9152 Bearing Puller Gp 1
Start By:
a. Remove the travel motor.
1. Drain the travel motor.
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2. Remove O-ring seal (1) from motor housing (2).
3. Attach Tooling (A) onto head assembly (3). Remove bolts (4). Use Tooling (A) and a
suitable lifting device to remove head (3). The weight of head assembly (3) is
approximately 40 kg (90 lb).
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4. Remove plate (5) from head (3).
5. Remove bearing (6) from head assembly (3).
6. Remove orifice (7), spring (8), and ball (9).
7. Remove O-ring seal (10) from head assembly (3).
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8. Remove adapter (11), spool (12), and spring (13) from head assembly (3).
9. Use Tooling (B) in order to remove retainers (14) from head assembly (3).
10. Remove O-ring seals (16) and backup rings (15) from adapters (14).
11. Remove balls (17) from head assembly (3).
12. Remove springs (18) from brake housing (20).
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13. Remove O-ring seals (19) from motor housing (2).
14. Use Tooling (C) in order to remove brake housing (20) from motor housing (2).
15. Remove backup ring (21) and O-ring seal (22) from brake piston (20).
16. Remove O-ring seal (23) and backup ring (24) from brake piston (20).
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17. Attach Tooling (D) to shaft assembly (25).
18. Use Tooling (D) and a suitable lifting device in order to lift the rotating group from motor
housing (2). The weight of the rotating group is approximately 30 kg (65 lb).
19. Remove plates (26) and friction disks (27) from barrel assembly (28).
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20. Remove barrel assembly (28) and swashplate (29) from shaft assembly (25).
21. Remove plate (31) and pistons (30) from barrel assembly (28).
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22. Remove bearing (32), thin shim (33), Belleville washers (34), and barrel spacer (35) from
barrel assembly (28).
23. Use a suitable press in order to remove bearing (36) from shaft assembly (25).
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24. Use Tooling (E) and a suitable press in order to remove inner race (37) from shaft assembly
(25).
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25. Remove keys (38) and pins (39) from motor housing (2).
26. Remove plug (40) and the O-ring seal. Remove actuator piston (41).
27. Remove retaining ring (42) and seal (43) from motor housing (2).
Mon Oct 12 11:51:58 UTC+0800 2020
10/10
2020/10/12

Shutdown SIS
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Product: EXCAVATOR
i07203491
Travel Motor - Disassemble
SMCS - 4351-015
Disassemble Procedure
Table 1
Required Tools
A 1P-2420 Transmission Repair Stand 1
B 421-5662 Lifting Eye Assembly 1
C
154-6182 M12x1.75 mm Forcing Bolt 2
6V-8149 M12x1.75 mm Nut 4
5P-8245 M12 Hard Washer 4
D
- M3x0.5 Threaded Rod 1
3K-3068 3 mm Thrust Washer 1
3C-6969 M3x0.5 Nut 2
E
8T-0276 M8x45mm Bolt 2
9M-1974 M8 Hard Washer 2
Start By:
a. Remove travel motor.
NOTICE
1/13
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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, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat®
products.
Dispose of all fluids according to local regulations and mandates.
1. Use Tooling (B) and a suitable lifting device to position travel motor (1) in a vertical
position on Tooling (A). The weight of travel motor (1) is approximately 136 kg (300 lb).
Use Tooling (C) to attach travel motor (1) to Tooling (A).
2. Remove plugs (2), plug (3), plug (4), and the O-ring seals.
2/13
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3. Remove plug (6) and the O-ring seal.
4. Remove plug (5), stopper (7), and ball (8).
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5. Use Tooling (D) and a suitable washer to extract seat (8A).
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6. Remove plugs (9) and the O-ring seals.
7. Remove plug (10), spool (11), spring (12), and the O-ring seal.
8. Remove plug (13), valve (14) , and the O-ring seals.
5/13
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Caterpillar Cat 352F Excavator (Prefix A9J) Service Repair Manual (A9J00001 and up).pdf

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