TM-9-2330-356-14

SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1990

TM-9-2330-356-14 - Page 258 of 528

TA099841

TM 9-2330-356-14

WARNING

Figure 4-101. Right Side View of Engine.

Dry cleaning solvent P-D-680 is toxic and

flammable. Always wear protective goggles

and gloves, and use only in a well-ventilated

area. Avoid contact with skin, eyes, and

clothes, and DO NOT breathe vapors. DO

NOT use near open flame or excessive heat.

The solvent’s flash point is 100°F-138°F

(38°C-59°C). If you become dizzy while

Using cleaning solvent, immediately get fresh

air and medical help. If solvent contacts eyes,

immediately wash your eyes with water and

get medical aid.

CAUTION

Do not get solvent on rubber parts. Damage

to parts may result.

b. Cleaning.

Periodically remove panel door

(fig. 4-101) by unscrewing two retaining screws and

thoroughly clean all visible components of crankcase,

cylinder head, and block. Use a stiff brush and dry cleaning

solvent (item 11, Appendix E). Wipe dry after cleaning.

c.

Service.

Check for any loose or missing bolts.

Replace any bolts which are missing.

4-72. Engine Lubrication System

a.

Oil Filter Replacement.

(1) Place a suitable container under oil filter.

Use a wrench to turn filter (fig. 4-101) counterclockwise

to remove. Remove filter and discard.

(2) Clean filter mounting area.

(3) Coat gasket on new filter with clean oil.

Install new filter by turning clockwise on mounting shaft.

(4) Hand-tighten filter until gasket touches

mounting base. Tighten an additional ½-turn. DO NOT

overtighten.

(5) Add one additional pint of oil to crankcase.

Refer to Lubrication Chart (figs. 3-1 through 3-6) for

correct type of oil.

b.

Oil Fill Cap Gasket Replacement.

Remove engine

oil dipstick from engine. Inspect gasket in dipstick cap.

Replace gasket if damaged.

4-73. Engine Fuel System

a.

Testing Electric Fuel Pumps on Equipment.

(1) Perform operational test for each pump

individually. Each pump should pump at 6-7 psi as

registered on an accurate fuel pressure gage.

4-122