ASSEMBLY-continued -714671011

TM 5-2420-224-34

IMPACT

WRENCH

REPAIR

(CONT)

16.

INSTALL retaining RING (32).

NOTE

Inside of hammer case should be free of grease to avoid overlubrication.

17.

APPLY COAT of GAA to INSIDE of hammer frame (33) and INSTALL hammer (34), ANVIL (35), and

two hammer pins (36).

18.

APPLY COAT of GAA to hammer case BUSHING (37) and SLIDE onto anvil (35).

19.

APPLY COAT of GAA to BEARING (38), RETAINER and ROLLER (39), and BEARING (40) and

INSTALL on worm shaft (22) in that order.

20.

INSTALL valve SEAT (41) in main housing assembly (7).

21.

ALINE two hammer PINS (36) with valve seat (41) and INSTALL in worm shaft (22).

22.

INSTALL new GASKET (42) in main housing (7).

23.

SLIDE hammer CASE assembly (43) onto anvil (35) and INSTALL four new lock washers (44) and four

SCREWS (45). TIGHTEN SCREWS to 13-15 Ib-ft (47-54 N.m).

24.

INSTALL new PACKING (46) and spacer ring (47) on reversing spool (48).

21-22