FRAME 2 - TM-9-2815-210-34-2-20220

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

FRAME 2

NOTE

T w o types of oil pressure regulator have been used on

t h e s e engines. This task is the same for both except as

noted.

O n early model oil

pressure regulators, if upper plug

( 1 ) or upper spring

(2) are found to be damaged,

c h a n g e both parts.

Only late model plug (3) and

s p r i n g (4) are now

available.

O n early model pressure regulators, check that threads on four mounting

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

m i n o r thread damage with a thread chaser.

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

c r a c k e d . Check that springs (2 and 8) are not cracked or worn. Throw

a w a y cracked plugs and cracked or worn springs and get new ones.

O n late model pressure regulators, check that threads on four mounting

s c r e w s (5), pipe plug (6) and plug (9) are not damaged. Fix minor thread

d a m a g e with a thread chaser.

O n 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.

T h r o w 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

o p e n flame. Keep a fire extinguisher nearby when

s o l v e n t is used. Use only in well-ventilated places.

Failure to do this may result in injury to personnel and

d a m a g e to equipment.

C h e c k that two plungers (10) do not have nicks or burrs, Fix small nicks

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

GO TO FRAME 3

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