Caterpillar cat 302.5 c mini hydraulic excavator (prefix gbb) service repair manual (gbb00001 and up)

Service Repair Manual
Models
302.5C Mini Hydraulic
Excavator

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Product: MINI HYD EXCAVATOR
Model: 302.5C MINI HYD EXCAVATOR GBB
Configuration: 302.5C Mini Hydraulic Excavator GBB00001-UP (MACHINE) POWERED BY S3L2 Engine
Disassembly and Assembly
302.5C Mini Hydraulic Excavator Machine Systems
Media Number -RENR9147-00 Publication Date -01/09/2005 Date Updated -13/09/2005
i02370597
Final Drive and Travel Motor - Disassemble
SMCS - 4050-015; 4351-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1857 Retaining Ring Pliers 1
B 8B-7554 Bearing Cup Puller Gp 1
C 1P-1855 Retaining Ring Pliers 1
D 1P-1859 Retaining Ring Pliers 1
E 1P-1863 Retaining Ring Pliers 1
F 154-6181 Forcing Screw 2
G 5P-5197 Retaining Ring Pliers As 1
Start By:
A. Remove the track motor. Refer to Disassembly and Assembly, "Final Drive and Travel
Motor - Remove".
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302.5C Mini Hydraulic Excavator GBB00001-UP (MACHINE) POWERED BY S3L2...
2020/3/6
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw...

Illustration 1 g01176385
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. Remove plug (1) and the O-ring seal.
2. Remove spring (4) and washer (3) .
3. Remove spool (2) .
4. Repeat Steps 1 through Steps 2 for the opposite side.
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5. Remove bolts (5) and head assembly (6) .
6. Remove bearing (7) .
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7. Remove port plate (8) .
8. Remove barrel assembly (9) .
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9. Remove pistons (10), retaining plate (11), and bearing (12) .
10. Remove pins (13) .
11. Use a suitable press and Tooling (A) in order to remove retaining ring (14) .
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12. Remove washers (15) and spring (16) .
13. Remove O-ring seal (17) and swashplate (18) .
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14. Remove balls (19), pistons (20), and the springs.
15. Remove retaining ring (21) and cover (22) .
16. Remove sun gear (24) and carrier (23) .
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17. Use Tooling (C) in order to remove retaining ring (25) .
18. Remove washers (26), gears (27), and washers (28) .
19. Use Tooling (D) in order to remove retaining ring (30) .
20. Remove sun gear (29) .
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21. Use Tooling (C) in order to remove retaining rings (32) .
22. Use Tooling (A) in order to remove retaining ring (31) .
23. Use Tooling (B) in order to remove gear assembly (33) .
24. Use Tooling (E) in order to remove retaining ring (34) .
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25. Use Tooling (C) in order to remove housing (35) .
26. Remove Duo-cone seal gp (36) and ring (37) .
27. Use Tooling (G) in order to remove retaining ring (38) .
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302.5C Mini Hydraulic Excavator GBB00001-UP (MACHINE) POWERED BY S3...
2020/3/6

28. Remove bearing (39) .
29. Remove Duo-cone seal gp (40) .
30. Remove shaft (41) and bearing (42) .
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31. Remove bearing (42) from shaft (41) .
32. Remove seal (43) .
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All Rights Reserved.
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Shutdown SIS
Previous Screen
Product: MINI HYD EXCAVATOR
Model: 302.5C MINI HYD EXCAVATOR GBB
Configuration: 302.5C Mini Hydraulic Excavator GBB00001-UP (MACHINE) POWERED BY S3L2 Engine
Disassembly and Assembly
302.5C Mini Hydraulic Excavator Machine Systems
Media Number -RENR9147-00 Publication Date -01/09/2005 Date Updated -13/09/2005
i02370600
Final Drive and Travel Motor - Assemble
SMCS - 4050-016; 4351-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1857 Retaining Ring Pliers 1
D 1P-1859 Retaining Ring Pliers 1
E 1P-1863 Retaining Ring Pliers 1
G 5P-5197 Retaining Ring Pliers As 1
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1. Install seal (43) .
2. Install bearing (42) from shaft (41) .
3. Install shaft (41) and bearing (42) .
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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. Install balls (19), the springs, and pistons (20) .
5. Install O-ring seal (17) and swashplate (18) .
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6. Install washers (15) and spring (16) .
injury.
7. Use a suitable press and Tooling (A) in order to install retaining ring (14) .
8. Install pins (13) .
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9. Install bearing (12), retaining plate (11), and pistons (10) .
10. Install barrel assembly (9) .
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11. Install port plate (8) .
12. Install bearing (7) .
injury.
13. Install bolts (5) and head assembly (6) .
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Caterpillar cat 302.5 c mini hydraulic excavator (prefix gbb) service repair manual (gbb00001 and up)

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