Hydraulic Oil Tank and Filter.

TM 10-3930-632-12

WARNING

damage. Replace damaged parts.

c. Installation. Install the hydraulic lines and

Dry cleaning solvent, P-D-680, used to

fittings as shown in figure 4-11. Fill the hydraulic oil

clean parts is potentially dangerous to

tank as directed in paragraph 4-28. Start the engine and

personnel and property. Avoid repeated

operate the hydraulic controls. Check the entire system

and prolonged skin contact. Do not use

for leaks. Correct any deficiencies.

near open flame or excessive heat. Flash

point of solvent is 100F. -138F. (38C. -

4-28. Hydraulic Oil Tank and Filter.

60C.).

b. Cleaning and Inspection.

a. Draining Tank.

(1) Discard and replace all preformed

(1) Lower the carriage until it is resting on

packings.

the floor.

(2) Clean hoses and tubes by wiping the

(2) Place a large container under the oil

exterior with a cloth dampened with dry cleaning solvent

tank and remove the drain plug.

P-D-680. Flush the interior of the hoses and tubes with

(3) Remove the hydraulic oil tank air

solvent. Blow out with compressed air.

cleaner; allow the tank to drain.

CAUTION

(3) Clean all remaining parts with an

approved cleaning solvent; dry thoroughly.

Do not run the engine while the hydraulic oil

(4) Inspect hoses for cracks, abrasions,

tank is empty. Damage to the hydraulic

collapsed walls, deterioration, damaged threads, signs

pump could result.

b. Disassembly.

of leaking, and other damage. Replace damaged

hoses.

(1) Disconnect the hydraulic hose from the

(5)

Inspect tubes for cracks, dents,

hydraulic oil filter.

collapsed walls, and damaged fittings.

Replace

(2) Disassemble the hydraulic oil filter

damaged tubes.

from the tank as shown in figure 4-12.

(6) Inspect all other parts for cracks,

damaged threads, distortion, deterioration, and other

4-27