TM-9-2350-311-34-2

CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS HOWITZER, MEDIUM, SELF-PROPELLED, 155MM

TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL

SEPTEMBER 1994

TM-9-2350-311-34-2 - Page 312 of 552

TM 9-2350-311-34-2

6-11 EQUILIBRATED ELEVATION MECHANISM ASSEMBLY - CONTINUED

b. Disassembly - Continued

17

18

19

20

21

22

23

24

Extensive effort is required to loosen piston adapter which has been torqued to 450 Ib-ft (610 N·m).

Avoid side loads to piston adapter that would damage walls of cannon equilibrator.

NOTE

Perform step 17 for unmodified elevation mechanism assembly or step 18 for modified eleva-

tion mechanism assembly.

Restrain cannon equilibrator and end rod plain bearing while loosening piston adapter.

Using spanner, loosen piston adapter (54) at rear of cannon equilibrator (37) by turning counterclockwise.

Apply tape to spanner attachment. Using spanner attachment, loosen piston adapter (54) at rear of cannon

equilibrator (37) by turning counterclockwise.

Restrain end rod plain bearing (55) and loosen hex nut (56).

Remove locking setscrew (57).

Remove centering setscrew (58) underneath locking setscrew (57).

Remove end rod plain bearing (55).

If required for replacement, remove bearing (59) from eye (60).

Remove hex nut (56).

6-50