Follow-on Maintenance - TM-9-2815-224-34-P0454

TM 9-2815-224-34&p

Water Pump Maintenance Instructions (Cont)

17-2. WATER PUMP REMOVAL/REPAlR/lNSTALLATlON (CONT).

(6) Install 5/16-18 x 2 in. screw (14) into impeller (15).

NOTE

Limits for gear backlash are 0.001-in. to 0.006-in.

(0.025 mm to 0.15 mm). If backlash cannot be fixed,

replace pump.

(7) Place plunger of dial indicator against screw (14). Move

impeller (15) and read backlash.

(8) If backlash is outside limits, loosen two screws (6 and 8)

and pivot pump to obtain proper backlash.

(9) Tighten screws (6 and 8) to 25 lb-ft (27 N-m).

(10) Remove screw (14).

(11) Tighten screws (6, 8, and 11) to 45 to 50 lb-ft (61 to

67 N.m).

(12) Install preformed packing (16), pump

cover (17), and retaining ring (18).

(13) Install three hoses (19, 20 and 21).

(14) Tighten six hose clamps (22).

(15) Install hose (23).

(16) Tighten hose clamp (24).

(17) Aline secondary fuel filter (25) with mounting holes

and tighten two screws (26) lockwashers (27), and

washers (28).

f. Follow-on Maintenanca.

(1) Install fan (TM 9-2320-279-20).

(2) Fill cooling system (LO 9-2320-279- 12)

END OF TASK

17-8