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Caterpillar Cat 538 EXCAVATOR (Prefix KBJ) Service Repair Manual (KBJ00001 and up).pdf
1. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 538 EXCAVATOR KBJ
Configuration: 538 Forest Machine General Forestry KBJ00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
538 LL GF Forest Machine Machine Systems
Media Number -M0071454-01 Publication Date -01/08/2017 Date Updated -02/08/2017
i06724515
Swivel - Disassemble
SMCS - 5060-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-2420 Transmission Repair Stand 1
B 439-3940 Bracket As 2
Start By:
a. Remove the swivel.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Put orientation and location marks on housings for installation purposes.
1. Thoroughly clean the outside of the swivel prior to disassembly.
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2. Illustration 1 g01767936
2. Attach Tooling (B) and a suitable lifting device to swivel (1). The weight of swivel (1) is
approximately 496 kg (225 lb).
3. Position swivel (1) onto Tooling (A).
Illustration 2 g01768234
4. Remove bolts (2) and (3).
5. Remove cover (4) from the bottom of swivel (1).
Illustration 3 g01768296
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3. 6. Remove O-ring seal (5), bolts (6), and retainer (7) from the bottom of swivel (1).
Illustration 4 g01768395
Illustration 5 g01768497
Note: Be sure that alignment marks are put on rotor (8) and housing (11) for assembly
purposes.
7. Use Tooling (B) and a suitable lifting device to separate rotor (8) from housing (9).
8. Remove O-ring seal (10) (not shown) from housing (11).
9. Use Tooling (B) and a suitable lifting device to separate rotor (8) from housing (11).
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4. Illustration 6 g06092449
10. Remove seal assemblies (12) from housing (11).
Illustration 7 g06092455
11. Remove seal assemblies (13) from housing (9).
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Feb 4 20:43:01 UTC+0800 2021
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5. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 538 EXCAVATOR KBJ
Configuration: 538 Forest Machine General Forestry KBJ00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
538 LL GF Forest Machine Machine Systems
Media Number -M0071454-01 Publication Date -01/08/2017 Date Updated -02/08/2017
i06724539
Swivel - Assemble
SMCS - 5060-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-2420 Transmission Repair Stand 1
B 439-3940 Bracket As 2
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Check the O-ring seals and the seals for wear or for damage. Replace the components, if
necessary.
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7. Illustration 1 g01768813
1. Apply clean hydraulic oil to seal assemblies (12).
2. Install O-ring seal (10) and seal assemblies (12) into housing (11).
Illustration 2 g01768833
3. Position housing (9) onto housing (11). Loosely install bolts (2) to secure housing (9) to
housing (11).
4. Apply clean hydraulic oil to seal assemblies (13).
5. Install seal assemblies (13) into housing (9).
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8. Illustration 3 g01769453
6. Use two people to position housing (9) and housing (11) onto Tooling (A). The combined
weight of housing (9) and housing (11) is approximately 41 kg (91 lb).
Illustration 4 g01769537
7. Attach Tooling (B) and a suitable lifting device to rotor (8). The weight of rotor (8) is
approximately 54 kg (119 lb).
8. Use Tooling (B) and a suitable lifting device to install rotor (8) into housing (11) and
housing (9) (not shown).
9. Remove four bolts (2) (not shown).
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9. Illustration 5 g01768296
10. Install retainer (7), bolts (6), and O-ring seal (5) to the bottom of swivel (1).
Illustration 6 g01768234
11. Install cover (4), bolts (3), and bolts (2) to the bottom of swivel (1).
End By:
a. Install the swivel.
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Feb 4 20:43:56 UTC+0800 2021
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10. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 538 EXCAVATOR KBJ
Configuration: 538 Forest Machine General Forestry KBJ00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
538 LL GF Forest Machine Machine Systems
Media Number -M0071454-01 Publication Date -01/08/2017 Date Updated -02/08/2017
i06725205
Swing Motor - Remove and Install
SMCS - 5058-010-ZW
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A FT-2674 Vacuum Cap 1
B 439-3938 Link Bracket 2
Start By:
a. Release the hydraulic system pressure.
Illustration 1 g01714793
1. Remove guard assembly (1).
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11. Illustration 2 g06092676
2. Remove sheet (2) and cover assembly (3).
Illustration 3 g06092691
3. Remove cover assembly (4).
Illustration 4 g01715574
Typical Example
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12. 4. Install Tooling (A) onto the hydraulic tank . Attach an air supply hose onto Tooling (A).
Apply 276 to 414 kPa (40 to 60 psi) of air. This procedure will pull a vacuum on the
hydraulic system.
5. Drain the swing drive oil. Refer to Operation and Maintenance Manual, "Swing Drive Oil -
Change" for the correct draining and filling procedures.
Illustration 5 g01715674
Note: Not all machines will require the removal of all the hose assemblies. Remove the
hose assemblies that will make the removal of the swing motor easier.
6. Disconnect hose assemblies (12) and (13) at the boom side of the hose assemblies.
Reposition hose assemblies (12) and (13) out of the way for more access to the swing
motor.
7. Disconnect hose assemblies (6) and (7).
8. Disconnect hose assemblies (8) and (9).
9. Disconnect harness assembly (10).
10. Disconnect clip (11).
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13. Illustration 6 g01715876
11. Disconnect hose assembly (14).
Illustration 7 g01715880
12. Remove bolts (16) and anti-reaction valve (17).
13. Remove bolts (15).
14. Prior to the removal of the swing motor, clean the swing motor and the area around the
swing motor. Remove any loose paint around the mating surface of the swing drive and the
swing motor to prevent contamination from entering the swing drive.
Illustration 8 g01715956
15. Attach Tooling (B) and a suitable lifting device to swing motor (18). The weight of swing
motor (18) is approximately 55 kg (120 lb).
16. Remove swing motor (18).
Installation Procedure
1. Install swing motor (18) in the reverse order of removal.
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14. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 538 EXCAVATOR KBJ
Configuration: 538 Forest Machine General Forestry KBJ00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
538 LL GF Forest Machine Machine Systems
Media Number -M0071454-01 Publication Date -01/08/2017 Date Updated -02/08/2017
i06726429
Swing Motor - Disassemble
SMCS - 5058-015-ZW
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
8T-0651 Bolts 2
8T-4167 Hard Washers 2
B 1P-1859 Retaining Ring Pliers 1
C 9S-9152 Bearing Puller Gp 1
D
1P-0074 Slide Hammer Puller 1
5F-7344 Puller Block 1
5P-4750 Adjusting Screw 1
7S-7786 Puller Leg 2
Start By:
a. Remove the swing motor.
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15. Illustration 1 g00704611
1. If necessary, remove bolts (2) and anti-reaction valve (3) from head (1).
2. Remove mounting bolts (4).
Illustration 2 g00704621
3. Remove dipstick tube (5) and breather tube (6) from motor housing (7).
Illustration 3 g00704704
4. Remove relief valves (8).
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16. Illustration 4 g00704710
5. Remove O-ring seals (10), (12), and (13).
6. Remove backup rings (9) and (11).
Illustration 5 g00704719
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.
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17. 7. Remove bolts (14) and the head.
Illustration 6 g00704734
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.
8. Remove plug (18), O-ring seal (17), spring (16), and spool valve (15) from the head. Repeat
for the other side.
Illustration 7 g00704741
9. Remove adapter (19), fitting (20), and plugs (21).
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18. Illustration 8 g00704743
10. Remove O-ring seal (22) from plug (21).
Illustration 9 g00704749
11. Remove O-ring seals (23) and (24) from fittings (19) and (20).
Illustration 10 g00704754
12. Remove O-ring seal (25).
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19. Illustration 11 g00704771
13. Remove spring pins (26) and bearing (27).
Illustration 12 g00704796
14. Remove springs (28) and port plate (29).
Illustration 13 g01021864
Typical Example
15. Install Tooling (A) and apply air pressure to unseat the piston.
Note: Use air pressure to avoid damage to the piston.
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20. Illustration 14 g01021875
16. Remove piston (30).
Illustration 15 g01022038
Typical Example
17. Remove plates (31).
Illustration 16 g01021889
Typical Example
18. Remove barrel (32) and the pistons as an assembly.
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21. Illustration 17 g01021898
19. Mark pistons (33).
20. Remove pistons (33) from barrel (32).
Illustration 18 g01021903
21. Remove pistons (33) from plates (34) and (35).
Illustration 19 g01021909
22. Separate plates (34) and (35).
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22. Illustration 20 g01021919
Typical Example
23. Remove O-ring seals (36) and (36a) from the motor housing.
Illustration 21 g00705209
24. Remove swashplate (37).
Illustration 22 g00705222
25. Use Tooling (B) to remove retaining ring (38) from shaft (39).
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23. Illustration 23 g00705258
26. Remove shaft (39).
Illustration 24 g00705277
27. Use a suitable press and Tooling (C) to remove bearing race (40).
Illustration 25 g00705284
28. Use a suitable press and Tooling (C) to remove bearing race (41).
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24. Illustration 26 g01022013
Typical Example
Illustration 27 g00705295
29. Use Tooling (D) to remove bearing (42).
Illustration 28 g00705441
30. Remove lip seal (43).
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25. Illustration 29 g00705442
31. Remove fitting (44).
Illustration 30 g00705445
32. Remove O-ring seal (45) from fitting (44).
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Feb 4 20:45:48 UTC+0800 2021
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26. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 538 EXCAVATOR KBJ
Configuration: 538 Forest Machine General Forestry KBJ00001-UP (MACHINE) POWERED BY C7.1 Engine
Disassembly and Assembly
538 LL GF Forest Machine Machine Systems
Media Number -M0071454-01 Publication Date -01/08/2017 Date Updated -02/08/2017
i06727706
Swing Motor - Assemble
SMCS - 5058-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
B 1P-1859 Retaining Ring Pliers 1
E 1P-0510 Driver Group 1
F 369-9451 Grease -
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned
in cleaning fluid. Allow the parts to air dry.
Note: O-ring seals, gaskets, and seals should always be replaced. A used O-ring seal may not have
the same sealing properties as a new O-ring seal. Use Tooling (F) during the assembly procedure.
Note: Apply a light film of clean hydraulic oil to all components before assembly.
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27. Illustration 1 g00705445
1. Install O-ring seal (45) onto fitting (44).
Illustration 2 g00705442
2. Install fitting (44).
Illustration 3 g00705441
3. Lubricate lip seal (43) with clean hydraulic oil. Install lip seal (43) with the lip toward the
inside of the motor housing.
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28. Please write to us.
Our email:
aservicemanualpdf@yahoo.com
Please go to the homepage
to get the full manual, or
other brand PDF manuals.
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30. Illustration 4 g01022013
Typical Example
Illustration 5 g01287176
4. Use Tooling (E) to install bearing (42).
Illustration 6 g00705595
5. Raise the temperature of bearing race (41). Install bearing race (41).
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31. Illustration 7 g00705592
6. Raise the temperature of bearing race (40). Install bearing race (40).
Illustration 8 g00705597
Illustration 9 g00705258
7. Install shrink wrap tubing onto shaft (39). The shrink wrap tubing will protect the seal
during installation of shaft (39).
8. Install shaft (39).
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32. Illustration 10 g00705602
9. Use Tooling (B) to install retaining ring (38) onto shaft (39). Remove the shrink wrap
tubing.
Illustration 11 g00705209
10. Install swashplate (37).
Illustration 12 g01021919
Typical Example
11. Install O-ring seals (36) and (36a) into the motor housing.
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