Caterpillar Cat 657G WHEEL SCRAPER (Prefix W1F) Service Repair Manual (W1F00001 and up).pdf

Service Repair Manual
Models
657G Wheel Scraper

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Product: WHEEL SCRAPER
Model: 657G WHEEL SCRAPER W1F
Configuration: 657G Wheel Scraper-Coal Bowl W1F00001-UP (MACHINE) POWERED BY C15 Engine
Disassembly and Assembly
657G Wheel Tractor-Scraper Machine Systems
Media Number -RENR9714-00 Publication Date -01/09/2006 Date Updated -19/09/2006
i02562640
Vane Pump (Steering) - Disassemble
SMCS - 5055-015-ZH
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1859 Retaining Ring Pliers 1
B 8H-0663 Bearing Puller Gp 1
Start By:
A. Remove the vane pump. Refer to Disassembly and Assembly, "Vane Pump (Steering) -
Remove".
Illustration 1 g01282760
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https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe...

1. Remove bolts (1) and housing (2) .
2. Remove cartridge assembly (4) and O-ring seal (3) .
3. Remove O-ring seal (6), backup ring (5), and seal (7) .
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4. Remove bolts (9) and cover (8) .
5. Remove O-ring seals (10), backup ring (11), and plate (12) .
6. Remove housing (13) and rotor (14) .
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7. Remove vanes (15) .
8. Remove inserts (16) from the vanes.
9. Remove plate (17) .
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10. Remove O-ring seals (18) and backup rings (19) .
11. Remove retaining ring (20) .
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12. Use a suitable press in order to remove shaft (21) .
13. Use Tooling (A) in order to remove retaining ring (23) from bearing (22) .
14. Use a suitable press and Tooling (B) in order to remove bearing (22) from shaft (24) .
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15. Remove shim (23) .
16. Remove lip seal (24) .
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Feb 9 13:01:26 UTC+0800 2021
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Shutdown SIS
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i02562643
Vane Pump (Steering) - Assemble
SMCS - 5055-016-ZH
Assembly Procedure
Table 1
Required Tools
1. Install lip seals (24) .
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2. Install shim (23) .
3. Raise the temperature of bearing (22) .
4. Install bearing (22) .
5. Use Tooling (A) in order to install retaining ring (23) .
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6. Install shaft (21) and retaining ring (20) .
7. Install backup rings (19) and O-ring seals (18) .
8. Install plate (17) .
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9. Install inserts (16) into the vanes.
10. Install vanes (15) .
11. Install rotor (14) and housing (13) .
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12. Install plate (12), backup ring (11), and O-ring seals (10) .
13. Install cover (8) and bolts (9) .
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14. Install O-ring seal (6), backup ring (5), and seal (7) .
15. Install cartridge assembly (4) and O-ring seal (3) .
16. Install housing (2) and bolts (1) .
End By: Install the vane pump. Refer to Disassembly and Assembly, "Vane Pump (Steering) -
Install".
Tue Feb 9 13:02:22 UTC+0800 2021
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i02563266
Vane Pump (Steering) - Install
SMCS - 5055-012-ZH
Installation Procedure
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 later trouble. Inspect all parts. If any parts are
worn or damaged, use new parts for replacement.
1. Lubricate O-ring seal (16) with lubricant that is being sealed. Install O-ring seal (16). Install
switch assembly (15). Tighten the lower body of switch assembly (15) to the torque of 20 ±
2 N·m (15 ± 1 lb ft). Orient the upper body of switch assembly (15) so the arrow points in
the direction of the flow.
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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.
2. Install O-ring seal (11). Position spring (13) and valve (12). Install body (14).
3. Install O-ring seals (7). Position block (8). Position valve assembly (9). Install bolts (10).
Install O-ring seals (6).
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4. Use two people to position vane pump (2). The weight of vane pump (2) is approximately
36 kg (80 lb). Install nuts (5). Connect harness assembly (4). Connect hose assembly (1).
Connect elbow (3).
End By: Install the secondary steering pump. Refer to Disassembly and Assembly, "Steering
Pump (Secondary) - Install".
Tue Feb 9 13:03:17 UTC+0800 2021
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i02562805
Vane Pump (Implement) - Remove
SMCS - 5055-011-II; 5084-011-VA
Removal Procedure
Table 1
Required Tools
A 140-7742 Sleeve 1
Start By:
A. Remove the secondary steering pump. Refer to Disassembly and Assembly, " Vane Pump
(Steering) - Remove ".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for
installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this
helps to keep contaminants from entering the system.
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.
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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. Remove bolts (1), (2), and (3).
Note: Remove plug (7) to drain oil from the elbow.
2. Disconnect hose assembly (4). Disconnect harness assembly (5). Remove elbow assembly
(6) .
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3. Attach Tooling (A) and a suitable lifting device to implement pump (9). The weight of
implement pump (9) is approximately 60 kg (130 lb). Remove nuts (8). Remove implement
pump (9) .
4. Remove O-ring seal (10) .
Tue Feb 9 13:04:13 UTC+0800 2021
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Shutdown SIS
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i02561472
Vane Pump (Implement) - Disassemble
SMCS - 5055-015-II; 5084-015-VA
Disassembly Procedure
Table 1
Required Tools
B 8H-0663 Bearing Puller Gp 1
Start By:
A. Remove the vane pump. Refer to Disassembly and Assembly, "Vane Pump (Implement) -
Remove".
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2. Remove O-ring seal (3) .
3. Remove cartridge assembly (4) .
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4. Remove O-ring seal (6), backup ring (5), and seal (7) .
6. Remove O-ring seals (10), backup ring (11), and plate (12) .
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7. Remove housing (13) and rotor (14) .
8. Remove vanes (15) .
9. Remove inserts (16) from the vanes.
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10. Remove plate (17) .
11. Remove O-ring seals (18) and backup rings (19) .
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12. Remove housing (20) .
13. Remove cartridge (21) .
14. Repeat Step 4 through Step 11 for cartridge (21) .
15. Remove retaining ring (23) and O-ring seal (22) .
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16. Use a suitable press in order to remove shaft (24) .
17. Use Tooling (A) in order to remove retaining ring (25) .
18. Use a suitable press in order to remove bearing (26) from shaft (24) .
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19. Remove shim (27) .
20. Remove lip seals (28) .
Tue Feb 9 13:05:09 UTC+0800 2021
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i02561476
Vane Pump (Implement) - Assemble
SMCS - 5055-016-II; 5084-016-VA
Assembly Procedure
Table 1
Required Tools
1. Install lip seals (28) .
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2. Install shim (27) .
3. Raise the temperature of bearing (26) .
4. Install bearing (26) .
5. Use Tooling (A) in order to install retaining ring (25) .
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6. Install shaft (24), retaining ring (23), and O-ring seal (22) .
7. Refer to Step 10 through Step 17 for cartridge (21) .
8. Install cartridge (21) .
9. Install housing (20) .
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Caterpillar Cat 657G WHEEL SCRAPER (Prefix W1F) Service Repair Manual (W1F00001 and up).pdf

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Caterpillar Cat 657G WHEEL SCRAPER (Prefix W1F) Service Repair Manual (W1F00001 and up).pdf