TM-9-2815-210-34-2-2

ENGINE ASSEMBLY, DIESEL (MULTIFUEL): NATURALLY ASPIRATED OR TURBOCHARGED, FUEL-INJECTED, WATER-COOLED, 6-CYLINDER

TECHNICAL MANUAL; TROUBLESHOOTING; DIRECT SUPPORT AND GENERAL SUPPORT LEVEL; VOLUME 2 OF 2; PART 2 OF 2

APRIL 1981

TM-9-2815-210-34-2-2 - Page 198 of 968

TM 9-2815-210-34-2-2

FRAME 17

1.

2.

3.

4.

NOTE

Readings must be within limits given in table 4-37. The

letter L shows a loose fit.

If readings are not within

given limits, throw away part and get a new one.

Relief valve spring (1) and relief valve plunger (2) come

in parts kit.

Kit also has new retaining pin (4), one of

two types of spring retainer (5), and several shims (6).

If any of these parts is damaged, all should be changed.

Either type of spring retainer (5) can be used on this

pump .

If kit has two plungers, the longer one is for

this pump.

Save all shims (6) even if pump you are working on has

no shims.

Shims will be used later during pump test and

adjustment.

Measure free length of relief valve spring (1). Measure load needed to

squeeze relief valve spring (1) down to 1.8100 inch. Measure maximum

solid height of relief valve spring (1).

Measure outside diameter of relief valve plunger (2).

Measure inside diameter of relief valve bore (3). If reading is not within

limits given in table 4-37, get a new oil pump.

Measure fit of relief valve plunger (2) in relief valve bore (3). If reading

is not within limits given in table 4-37, get a new oil pump.

GO TO FRAME 18

4-179