LAUNCH FRAME - PINCH ROLL CYLINDER

TM 5-5420-279-23

LAUNCH FRAME - PINCH ROLL CYLINDER

This task covers:

a. Remove

b. Install

INITIAL SETUP:

Tools Required

Tool Kit, General Mechanic's, Automotive (GMTK)

Materials Required

Nyloc nuts (Qty 2)

Lock washers (Qty 4)

Equipment Conditions

A-Frame Deployed

Vehicle switched off and battery shutoff switch in the off position

WARNING

INJURY FROM EXTREME HYDRAULIC OIL PRESSURE. THE SYSTEM MUST BE

DE-PRESSURIZED BEFORE CARRYING OUT ANY WORK ON THE PINCH ROLL

CYLINDER.

SLIP AND FALL INJURY. PERSONNEL MAY SLIP ON SPILLED HYDRAULIC

FLUID. SUITABLE CONTAINERS AND FLUID ABSORBENT MATERIALS ARE TO

BE USED TO CONTAIN SPILLAGE.

Remove

(1)

De-pressurize the hydraulic system. Refer to unit maintenance procedure 5-118.

(2)

Gain access through the left hand launch beam front access panel, to the pinch roller

manifold ball valve and turn it through 900. See Appendix F page 19 figure 9 for location.

(3)

Remove the hydraulic pipe (2) by removing the bolt (12) and sealing washer (13).

(4)

Remove the two screws (3), nyloc nuts (5) and washers (4) securing the pinch roller

cylinder bracket (6) the launch frame (7).

(5)

Remove the four screws (8) and lock washers (9) securing the pinch roller cylinder (1) to

the pinch roller cylinder bracket (6).

(6)

Remove the pinch roller cylinder (1).