5-17. DOOR MAINTENANCE
(M313, M447, M447C, AND M750) (Cont).
M313 ladder clamps are mounted with screws
Remove four screws (27), Iockwashers
(31) if present, and ladder clamps
(26) from door
(4). Discard Iockwashers.
square neck bolts (21) securing
(22) on ladder bracket (23). Discard Iockwashers.
Remove two screws (28) and rubber bumpers (29)
from door (4).
5-19, 5-20, 5-21, 5-22, or 5-23).
For M313, remove sash assembly from door (para
For M447, M447C,
and M750, perform steps 7
(19) is damaged,
(17) and remove
(18) and window
For M313 left rear door, perform step 9.
Remove four screws (13), ratchet wrench clip (14),
and angle bracket
(12) from left rear door (4).
Clean dirt from door with steam or water.
Dry cleaning solvent, P-D-680,
is toxic and flammable.
Always wear protective goggles
and gloves, and use only in a well-ventilated
area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT use near open frame or excessive heat.
flash point is 100°F-138°F
if you become
using cleaning solvent, immediately
get fresh air and medical help. If solvent contacts
wash your eyes and get medical aid.
Clean all parts with dry cleaning
solvent to remove grease and dry thoroughly.