LAUNCH FRAME - FRONT ROLLER ASSEMBLY

TM 5-5420-279-23

5 - 042 LAUNCH FRAME - FRONT ROLLER ASSEMBLY

This task covers:

a. Remove

b. Install

INITIAL SETUP:

Tools Required

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

Two point arrester harness (BII)

Materials Required

Thread locking compound, loctite 243

Nyloc nut (Qty 1)

Equipment Conditions

A-Frame deployed

Guards removed

WARNING

FALL INJURY WHEN WORKING AT HEIGHT. THE FALL ARREST (SAFETY)

HARNESS MUST BE USED BY PERSONNEL CARRYING OUT A FRONT ROLLER

ASSEMBLY REPLACEMENT. THE FALL ARREST (SAFETY) HARNESS IS TO BE

ATTACHED TO A SUITABLE POINT ON THE LAUNCH FRAME.

NOTE

The front rollers are located on the Launch Frame. It may be necessary to remove the

Launch Frame guards to gain access to them.

Remove

(1)

Remove the launch frame guards if required. Refer to operator's TM 5-5420-279-10

Chapter 10.

(2)

Remove nut (1), washer (2) and retainer (3). Discard nut (1).

(3)

Lift off roller (1).

(4)

Remove the bolts (12) securing the shaft (11) to the launch frame.

(5)

If necessary remove the retaining ring (5), washer (6) and remove the bearing (7) and seal

(8) from the wheel (9).

(9)

Inspect components for damage and corrosion.

(10)

Examine bolt head and threads for damage.

(11)

Replace components as required.