TM 9-2330-294-14
should not be used near an open flame. Fire
too much play (lash or lost motion). It includes
illegibility as applied to markings, data, and caution
tinguishers should be provided nearby when t
plates.
material is used. Use only in well-ventilated places.
(5) Where the instruction "tighten" appears in
(2) This cleaner evaporates quickly and has a
drying effect on the skin. If used continuou
the procedure, it means tighten with a wrench, even
if the item appears to be secure.
wihout gloves, cracks in the skin and, in the cas
some persons, a mild irritation or inflammation o
"replace if necessary" are not used in the specific
the skin may result.
procedures. It is understood that whenever in-
(3) Avoid getting petroleum products, such as
spection reveals the need of adjustment, repairs or
dry-cleaning solvent, engine fuels, or lubricants, on
replacement, the necessary action will be taken.
rubber parts as they will deteriorate rubber which is
c. Clean as follows:
not resistant to petroleum.
(4) The use of diesel fuel oil, gasoline, or
(1) Use dry-cleaning solvent PD-680, (SD II)
benzene (benzol) for cleaning is prohibited.
to clean or wash grease or oil from metal parts.
from metal parts.
e. Nameplates, caution plates and instruction
plates may rust very rapidly. When they are found
(2) After the parts are cleaned, rinse and dry
to be rusty, they should be thoroughly cleaned and
them thoroughly. Apply a light grade of oil to all
given a heavy coat of lacquer.
unprotected metal surfaces to prevent rusting.
f. Use only tools that are provided and see that
(3) When authorized to install new parts,
they fit properly. Tools that do not fit may slip and
cause personal injury and damage to parts.
preventive compound, grease, etc.; prepare parts as
required (oil seals, etc.); and for those parts
3-8. Specific Procedures
requiring lubrication, apply the lubricant prescribed
Table 3-1 gives the
specific procedures to be
per-
in Lubrication Chart.
formed on the semitrailer by the operator in the daily
d. General precautions in cleaning are as follows.
service.
(1) Dry-cleaning solvent is flammable and
Table 3-1. Operator Preventive Maintenance Checks and Services
A -- After Operation
B -- Before Operation
D -- During Operation
Time Required: 0.9
Time required: 2.0
Work
Interval
Equipment is not
Time
Item to be inspected
and
Ready/Available if:
M/H)
Procedure
Sequence No.
B D
CAUTION
Place all tags describing conditions of semitrailer in a conspic-
uous location so that they will not be overlooked.
TIRES
1
One or more tires missing,
0.3
Gage tires for correct pressure (65 psi). Remove penetrating
flat or unserviceable with no
objects such as nails or glass. Note any apparent loss of air,
spare available.
unusual wear, or missing valve caps or valve extensions.
Check for cuts, gouges or cracks. Check security of spare tire,
WHEELS
2
0.3
One or more lug nut (s)
Visually inspect wheel stud nuts to see that they are in place.
missing. One or more studs
(Rust streaks coming from stud holes indicates a loose nut).
broken or missing.
Inner and outer cap nuta used on semitrailer no. 1 through
200 and/or nut assembly used on semitrailer no. 201 and
3
0.1
as necessary.
AIR HOSE AND COMPONENTS
4
Any cracked, missing or
0.2
Look and listen under trailer and inspect hoses and com-
leaking hose.
ponents for apparent air leaks.
Change 2