3-16. COVER ASSEMBLY MAINTENANCE INSTRUCTIONS (M118A3) - continued
Remove preformed packing (5) from groove in cover
assembly (1) and discard.
1 Remove corrosion, grease, and dirt from all parts.
Refer to TM 9-254 for cleaning instructions.
2 Visually inspect for missing and damaged parts.
3 Repair or replace parts in accordance with author-
ized parts listed in appendix D.
Seal over external side of adapter 10543763
and lamp MS25236-8623 using sealing com-
pound if it has not already been done. New
manufactured covers will not contain the
adapter and lamp.
1 Apply adhesive to the groove of cover assembly
2 Install new preformed packing (5) in cover assem-
1 Position cover assembly (1) on bottom of housing
2 Secure cover assembly (1) to housing (2) with four
new Iockwashers (4) and four machine screws (3).