Cleaning/Inspection - TM-9-2815-224-34-P0247

TM 9-2815-224-34&P

Oil System Maintenance Instructions (Cont)

c. C l e a n i n g / l n s p e c t i o n .

WARNING

Adhesives, solvents, and sealing compounds can burn easily, can give off harmful

vapors, and are harmful to skin and clothing. To avoid injury or death, keep away

from open fire and use in well-ventilated area. If adhesive, solvent, or sealing

compound gets on skin or clothing, wash immediately with soap and water.

(1) Clean metal parts of valve with dry cleaning solvent.

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.).

(2)

Dry valve with compressed air.

(3)

Clean gasket material from mounting surface of valve, oil pump, and cylinder block.

(4)

Inspect all parts for damage. Replace damaged parts.

(5)

Make sure relief valve moves freely in valve body.

d . Assembly.

(1) Mount-valve body (1) in vise with

soft jaws.

(2) Apply lubricating oil to valve (2).

Install valve, closed end first, into

valve body (1).

(3) Install two end caps (3) on inner

spring (4). Insert inner spring (4)

into valve body (1).

(4) Insert spring (5) over inner

spring (4) into valve body (1).

(5) Install spring seat (6) closed end

first, into valve body (1).

(6) Soldier A compresses spring (5)

while Soldier B installs pin (7).

e . Installation.

(1) Install gasket (1) and pressure relief

valve (2) on engine (3).

(2) Install two screws (4) and

lockwashers (5). Turn screws three or

four turns only.

(3) Install gasket (6) under pressure relief

valve (2).

(4) Install two screws (7) and

lockwashers (8).

(5) Tighten screws (4 and 7) to 30 to

35 lb-ft (41 to 47 NZm).

f . Follow-on Maintenance. Install oil pan (para 8-3).

END OF TASK

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