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 219 of 968

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

FRAME 2

1.

2.

3.

4.

5.

6.

NOTE

Two types of oil pressure regulator have been used on

these engines.

This task is the same for both except as

noted.

On early model oil pressure regulators, if upper plug

(1) or upper spring (2) are found to be damaged,

change both parts.

Only late model plug (3) and

spring (4) are now available.

On early model pressure regulators, check that threads on four mounting

screws (5), pipe plug (6), plug (1), and plug (7) are not damaged. Fix

minor thread damage with a thread chaser.

On early model pressure regulators, check that plugs (1 and 7) are not

cracked.

Check that springs (2 and 8) are not cracked or worn. Throw

away cracked plugs and cracked or worn springs and get new ones.

On late model pressure regulators, check that threads on four mounting

screws (5), pipe plug (6) and plug (9) are not damaged. Fix minor thread

damage with a thread chaser.

On late model pressure regulators, check that plugs (3 and 9) are not

cracked.

Check that spring (4) and spring (8) are not cracked or worn.

Throw away cracked plugs and cracked or worn springs and get new ones.

Check that two plungers (10) are not cracked. If plunger is cracked,

throw it away and get a new one.

WARNING

Dry cleaning solvent is flammable, Do not use near an

open flame.

Keep a fire extinguisher nearby when

solvent is used.

Use only in well-ventilated places.

Failure to do this may result in injury to personnel and

damage to equipment.

Check that two plungers (10) do not have nicks or burrs, Fix small nicks

and burrs with a fine mill file or crocus cloth dipped in dry cleaning solvent.

GO TO FRAME 3

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