CLEANING - TM-9-2815-221-34-P0102

FUEL INJECTION PUMP

REPAIR (CONTINUED)

INSPECTION AND REPAIR

CLEANING

Inspect internal parts

of excessive wear, scrat-

NOTE

ches, and nicks. Replace defective parts.

When cleaning injection pump components, work

Inspect gear face for evidence of cracks, excessive wear, and

in clean room on clean workbench.

worn or damaged gear teeth.

A Soak parts in clean diesel fuel to loosen dirt.

Inspect internal crimped washer for looseness and excessive

wear.

CAUTION

Replace gear if gear face is defective.

Never use hard or sharp tools, grinding powder

or abrasives of any kind to clean internal com-

NOTE

ponents of fuel injection pump.

When replacing pump assembly, record button

thickness and port closing (PC) dimensions

B Use soft, oil-soaked, lint-free cloth (item 6, Appx C) to clean

stamped on pump mounting flange. These values

all internal parts.

are required when timing new pump to engine.

Use soft, brass brush to clean external surfaces and gear

Inspect hydraulic head and hydraulic housing for cracks,

teeth on gear face.

damaged, or worn threads. Replace housing or head

assembly if defective.

Apply film of diesel fuel to

parts prior to assembly.