SPRAY AR 3817321 - Caterpillar

Disassembly Procedure
Start By:
Remove the fuel transfer pump. Refer to Disassembly and Assembly, "Fuel Transfer Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01007133
Remove drive coupling (2) from the drive shaft. Remove O-ring seal (1).
Illustration 2 g01007139
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.
Remove the following items from the bracket: cap (6), washer (5), valve spring (4) and poppet valve (3).
Illustration 3 g01007146
Remove bolts (7). Remove head (8) from plate (9).
Illustration 4 g01007154
If check valve (10) will be replaced, remove the check valve from head (8).
Illustration 5 g01007155
Remove plate (9). Remove gasket (11). Remove the O-ring seal from the side of the plate that is opposite of gasket (11). If the bearings in plate (9) are damaged, the plate must be replaced. The bearings are nonserviceable separately.
Illustration 6 g01007191
Remove idler gear (12) and drive shaft (13) from casing (14).
Illustration 7 g01007192
Remove casing (14) and sleeves (15) from bracket (16). Remove the O-ring seal from casing (14).
Illustration 8 g01007193
Remove outer lip seal (17) and inner lip seal (18) from bracket (16). Note: If the bearings in bracket (16) are damaged, the bracket must be replaced. The bearings are nonserviceable separately.