TM-9-2350-277-20-4

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 4 OF 6

TM-9-2350-277-20-4 - Page 251 of 861

TM 9-2350-277-20-4

REPLACE POWER PLANT DOOR (M113A3 ONLY) — Continued

0470 00

WARNING

Power plant door is heavy. It can fall and injure you. Do not remove housing before relieving

spring tension by lifting and holding with lifting device.

WARNING

Damaged slings can fail when loaded. Breaking slings can strike and injure personnel.

Suspended load can fall and crush personnel.

Inspect all slings before use. Do not use damaged slings. Clearly mark all damaged slings

as DAMAGED - DO NOT USE.

6.

With suitable lifting device place power plant door (2) in open position, so brackets (5) can be secured to hull with

four screws (7) and washers (8). Do not tighten screws.

7.

Lower power plant door and check for a secure and even fit. If power plant door does not clear top of opening, shims

(9) must be added until an even fit around the hull is obtained. Place shims (9) under brackets (5). Tighten screws (7)

snug after each shim is installed until power plant door clears top of opening.

8.

TORQUE FOUR SCREWS (7) TO 18-20 LB-FT (24-27 N·m). Use torque wrench.

NOTE

If housing is aligned with wrong holes there could be too much tension when the power plant

door armor is not installed, or too little tension when the power plant door armor is installed.

9.

Install nine springs (6) in square opening in left bracket (5). Raise door (2) until housing (10) can be installed. Align

housing with holes on bracket (5) by moving the door back and forth.

10. Secure housing (10) with two screws (11) and washers (12).

0470 00-4

Change 5