Installation. Fasten new plates to semitrailer with
General. Reflectors are located
on the front, near
the marker lights, and on both ends of the hose trough.
4-68. Fire Extinguisher Mounting Bracket.
(1) Peel or scrape old reflector off semitrailer.
a. Service. Check tightness of mounting bolts and for
Clean surface thoroughly.
damage to retainer bracket.
(2) Peel off reflector backing and place new
reflector in position.
( 1 ) Remove protective cover and fire
4-67. Identification and Instruction Plates
(2) Remove four self-locking nuts, flatwashers,
and capscrews. Remove mounting bracket.
Some instruction plates have been mounted
with rivets. Drill rivets out and replace with
(3) Install new mounting bracket and fasten with
proper machine screw.
four capscrews, flatwashers, and self-locking nuts.
Removal. Remove screws holding plates to
(4) Install fire extinguisher and protective cover.
Section XVII. MAINTENANCE OF ENGINE
Immediately wash your eyes with water and
get medical aid.
Detailed information concerning maintenance of the
engine assembly is found in Chapters 5 and 7 of this
a. Periodically clean all outside surfaces of the
manual. Procedures covering replacement of engine
components and accessories are contained in subsequent
paragraphs of this section.
4-70. General Engine Servicing
4-71. Crankcase, Cylinder Head, and Block
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
(2) When oil is completely drained, replace the
clothes, and DO NOT breathe vapors. DO
drain plug and refill crankcase with six quarts of oil. If
NOT use near open flame or excessive heat.
filter is replaced, add one additional pint of oil. Refer to
The solvent's flash point is 100F-138F
Lubrication Chart (figs. 3-1 through 3-6) for correct type
(38C-59C). If you become dizzy while
of oil. Wipe up any spills and dispose of used oil according
using cleaning solvent, immediately get fresh
air and medical help. If solvent contacts eyes,