TM-5-3805-254-14-P-2

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)

JUNE 1980

TM-5-3805-254-14-P-2 - Page 484 of 894

TRUCK SERVICE MANUAL

FUEL SYSTEM

b. Hold injector plunger down against its seat in

injector cup with injector in a vertical position.

Assembly may be held in hand, do not place in

test stand holding device.

Fig. 6-1-111.

Note: Be sure ST-708-1 Needle is retracted.

c. Turn on test stand, and adjust pressure to 150

psi [1034 kPa .

d. Check orifice plug inlet opening of Service Tool

3375086, ST-1058 Body for leakage past ball

valve.

Note: Make sure plunger is seated in cup.

e. If leakage is observed, the ball must be

replaced.

Slight seepage is not harmful.