Crosshead - Remove and Install
Removal Procedure
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Require Tools     | |||
Tool     | Part Number     | Part Description     | Qty     |
A     | 1U-8223     | Lifting Sling     | 2     |
B     | 261-6671     | Threaded Rod 3/4 - 10     | 1     |
C     | -     | Loctite 262     | -     |
D     | -     | Guide Stud 3/8 - 16 by 2 inch     | 2     |
E     | -     | Loctite 243     | -     |
F     | -     | Loctite RTV Gasket Maker     | -     |
Start By:
- Remove the fluid end from the power end.
- Remove the pony rod seal housings.
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Approximate weight of cover (2)     | |
Sales Model     | Approximate Weight     |
WS273 XD WSP273     |
42 kg (93 lb)     |
WS305 XD WSP305     |
70 kg (154 lb)     |
- Use Tooling (A) and a suitable lifting device to remove cover (2) . Refer to Table 2 for the approximate weight of cover (2) . Remove bolts (1) and cover (2) .
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Illustration 1 | g03394847 |
- Remove bolts (3) and cover (4) .
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Illustration 2 | g03394862 |
- Use Tooling (B) to support bearing housing (5) .
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Illustration 3 | g03426242 |
- Use Tooling (A) and a suitable lifting device to support connecting rod (7) . Remove nuts (6) .
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Table 3 Approximate weight of crosshead assembly (8)     Sales Model     Approximate Weight     WS273 XD
WSP273    
167 kg (368 lb)    WS305 XD
WSP305    
167 kg (368 lb)    
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Illustration 4 | g03426249 |
- Rotate pinion to move assembly towards the front of the power end. Move crosshead assembly (8) part way out of the bore. Use Tooling (A) and a suitable lifting device to remove crosshead assembly (8) . Refer to Table 3 for the approximate weight of crosshead assembly (8) . Remove crosshead assembly (8) .
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Illustration 5 | g03863063 |
- Repeat Step 2 through Step 5 for the remaining crosshead assemblies (8) .
Installation Procedure
- Install crosshead assembly (8) in the reverse order of removal.
- Tighten nuts (6) to a torque of 244 N·m (180 lb ft).
- Apply Tooling (E) to bolts (1) and (3) . Install bolts (1) and (3) .
Note: Replace the gaskets (not shown) for cover (2) and covers (4) . Use Tooling (F) to mount the gaskets on to the covers. Use Tooling (D) to align gaskets (not shown) to cover (2) and covers (4) .
- Tighten bolts (1) and (3) to a torque of 26 N·m (228 lb in).
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