1155938 ENGINE AR Caterpillar parts
325B L
Rating:
Alternative (cross code) number:
CA1155938
115-5938
1155938
CA1155938
115-5938
1155938
Weight: 1664 pounds 754 kg.
EXCAVATOR,
Related part:
1155938
SHORT BLOCK
0R4430
R
1155938
ENGINE AR-BASIC
20R1734
R
Compatible equipment models: 1155938:
Information:
Illustration 5 g01086854
Remove rotocoil assembly (9), valve spring (5), valve spring (4), and washer (8) from valve (7).
Illustration 6 g01086855
Remove valve (7) from cylinder head (2).
Repeat Step 1 through Step 5 to remove the remaining valves.
Illustration 7 g00598111
Use Tooling (B) to check valve spring force. Refer to Specifications, "Cylinder Head Valves" for the correct valve spring force.Inlet and Exhaust Valve Seat Inserts
Note: Combustion surface and valve seat insert bores must be free of contaminants and debris.
When you are using hydraulic cylinders and puller studs, always ensure that the rated capacity of the puller stud meets or exceeds the rated capacity of the hydraulic cylinder. If the puller stud does not meet or exceed the rated capacity of the hydraulic cylinder, a sudden failure of the puller stud could occur. The sudden failure of the puller stud could result in personal injury or death.
Illustration 8 g02736157
Illustration 9 g02736098
Insert Tooling (C) in the bore of valve seat insert (10).
Illustration 10 g02736198
Slide the lower slide to lock Tooling (C) in place.Note: The valve seat insert may break during removal. Ensure that all fragments of the valve seat insert are removed.
Attach Tooling (D) to Tooling (C) and remove the valve seat insert (10).
Illustration 11 g02736518
Lift Tooling (C) off the cylinder head (2) and slide the lower slide to unlock Tooling (C).
Illustration 12 g02736560
Slide the collets of Tooling (C) and valve seat insert (10) back. Then remove valve seat insert.Inlet and Exhaust Valve Guides
Illustration 13 g02736919
Illustration 14 g02740960Note: Do not use a hammer to remove the valve guides.
Use Tooling (E) and a suitable press to remove inlet valve guides (11) and exhaust valve guides (12) from cylinder head (2).Adapter
Illustration 15 g02741080
Use Tooling (F) to remove adapter (13).
Illustration 16 g02741090
Remove O-ring seal (14) and washer (15) from adapter (13).Bridge Dowels
Illustration 17 g02741297
Use Tooling (G) to remove dowels (16) from cylinder head (2).
Caterpillar SIS machinery equipment:
Caterpillar parts catalog:
Parts engine Caterpillar catalog:
1155937
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1215650
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