Inspect and repair fuel pump main housing components.

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Disassemble fuel pump main housing (cont)

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TM-9-2815-226-34-2 Engine Diesel 6 Cylinder Inline Turbocharged Cummins NTC-400 BC2 Manual

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Replace tachometer drive bushing

TM 9-2815-226-34-2

WARNING

COMPRESSED AIR USED FOR CLEANING PURPOSES WILL NOT EXCEED 30

PSI (207 KPA).

USE ONLY WITH EFFECTIVE CHIP GUARDING AND

PERSONAL PROTECTIVE EQUIPMENT (GOGGLES, SHIELD, GLOVES, ETC.

P-D-680 SOLVENT IS POTENTIALLY DANGEROUS. AVOID PROLONGED OR

REPEATED CONTACT WITH SKIN. KEEP AWAY FROM FLAME OR EXCESSIVE

HEAT.

Clean fuel pump main housing components with cleaning solvent. Blow dry with compressed air.

Inspect and repair fuel pump main housing components.

(1)

Inspect tachometer drive bushing (43) for scoring, burrs, and other damage. Replace bushing if

defective (step c (3) below).

(2)

Using suitable micrometer, measure inside diameter of tachometer drive bushing (43). Replace

bushing if inside diameter is greater than 0.7525 in. (19.1135 mm) (step c (3) below).

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