FRAME 4

TM 9-2350-222-20-2-1

SEMIANNUAL (180 DAY) PREVENTIVE MAINTENANCE (CONT)

2-2.

Turret (Cont)

FRAME 4

Reference

Procedure

Item to be Inspected

Step

LO 9-2350-222-12

Power Traverse

Operate traverse mechanism

through its range in power mode.

System

Check for smooth and unrestricted

operations. A second man should

watch for loose mounting bolts,

side bolts. top bolts, and sloppy

bearing movement. If looseness is

detected notify support

rnaintenance.

Before elevating gun or traversing turret, make sure that adjacent

area, both inside and outside tank. is clear of obstacles and opera-

tion of equipment will not be hazardous to personnel.

TM 9-2350-222-10

Operate gun elevating mechanism

Gun Elevating and

through its elevation and

Hydraulic System

depression ranges in manual and

power modes. Check for smooth

and unrestricted operation. Second

man should watch for loose

mounting and sloppy bearing

TM 20-2-3

movement on the eye end of

(para 1-26)

elevating mechanism. If looseness

is detected, notify support

maintenance.

Be sure gun is at maximum elevation before performing

next step.

TM 20-2-3

Check equilibrator for

Equilibrator Accumulator

(para 1-26)

proper nitrogen pressure.

Recharge pressure using

accumulator charging

device or reduce pressure

as required.

TM 9-2350-222-10

When proper pressure is

indicated, balance

equilibrator.

END OF TASK

Para 2-2 Cont

Change 3

2-5