3524B Engine for Caterpillar Built Machines Fuel Transfer Pump - Assemble Caterpillar

Assembly Procedure

Note: Check the O-ring seals, gaskets, and the seals for wear or for damage. Replace the components, if necessary.

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Illustration 1	g01049857

1. Inspect bearings (19) in bracket (16). If the bearings are damaged, the bracket must be replaced. The bearings are nonserviceable.
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   Illustration 2	g01049858

2. Coat the lip seals for bracket (16) with clean engine oil. Use Tooling (A) to install inner lip seal (18) and outer lip seal (17) in the bracket. Make sure that the lips of the seals are oriented properly.
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   Illustration 3	g01049863

3. Install sleeves (15) in bracket (16). Install O-ring seal (20) in casing (14). Place the casing over the sleeves on the bracket.
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   Illustration 4	g00918557

4. Install idler gear (12) and drive shaft (13) into casing (14) and the bracket.
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   Illustration 5	g01049868

5. Inspect bearings (21) in plate (9). If the bearings are damaged, the plate must be replaced. The bearings are nonserviceable.
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   Illustration 6	g01049930

6. Install O-ring seal (22) in plate (9). Place the plate into position on the casing.
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   Illustration 7	g01049933

7. Before you install the check valve in head (8), make sure that the spring on the check valve is oriented toward the inside. Use Tooling (A) to install the check valve in the head. Install the check valve so that the valve contacts the shoulder in the bore.
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   Illustration 8	g01049937

8. Before you install head (8), be sure that the weep hole is clear. Place gasket (11) and head (8) in position on the plate. Install the bolts that hold the fuel transfer pump together.
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   Illustration 9	g00918545

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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.

9. Install the following parts into the bracket: valve poppet (3), valve spring (4), washer (5) and cap (6).
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   Illustration 10	g00918544

10. Coat O-ring seal (1) with clean engine oil. Install the O-ring seal. Install drive coupling (2) onto the drive shaft.

End By:

1. Install the fuel transfer pump. Refer to Disassembly and Assembly, "Fuel Transfer Pump - Install".