LAUNCH FRAME - LAUNCH BEAM DRIVE MANIFOLD ASSEMBLY

TM 5-5420-279-23

LAUNCH FRAME - LAUNCH BEAM DRIVE MANIFOLD ASSEMBLY

This task covers:

a. Remove

b. Install

INITIAL SETUP:

Tools Required

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

Materials Required

Thread locking compound, loctite 243

Equipment Conditions

A-Frame Deployed

Launch beam drive top cover removed. Refer to unit maintenance procedure

5-035.

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 LAUNCH BEAM

DRIVE MANIFOLD ASSEMBLY.

SLIP AND FALL INJURY. PERSONNEL MAY SLIP ON SPILLED HYDRAULIC

FLUID. SUITABLE CONTAINERS AND FLUID ABSORBENT MATERIALS ARE TO

BE USED TO CONTAIN SPILLAGE.

NOTE

The launch beam drive manifold assembly is located under the left hand rear corner

launch beam drive top cover (1).

Remove

(1)

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

(2)

Note the position of and disconnect the hydraulic pipe work (2, 3, 4, 5, 6 and 7) connected

to the launch beam drive manifold assembly (10).

(3)

Remove the mounting four bolts (8), and washers (9) securing the launch beam drive

manifold assembly (10) to the launch beam drive.

(4)

Remove the launch beam drive manifold assembly (10).

(5)

Note the position of and remove all hydraulic valves, valve blocks, test points, blanking

plugs and blanking flanges.

(6)

Fit the hydraulic valves, valve blocks, test points, blanking plugs and blanking flanges to

the new manifold assembly using new gaskets and O-rings where applicable.