Specifications

TM9-2330-384-14&P
Table. UnitPreventiveMaintenanceChecksandServices(PMCS)Con't).
M-Monthly S-Semiannually
A-Annually
ITEM-IN ERVAL
ITEMTOBE
PROCEDURES
NO.
M S A
INSPECTED
4
FRONTOF
SEMITRAILER
a. Inspectvoltagecontrolunit,electricalconnectors,andwiringfor
damage, loose connections, corrosion, or dirt. Clean and tighten
components as required. If any component is damaged, replace
(see paragraphs 4-14 through 4-17, 4-29, and 4-30).
b. Check that electrical conduits coming into voltage control unit
are properly supported, are not damaged, and that connections are
not loose. Tighten any loose connections. If conduit is damaged,
replace (see paragraph 4-29).
c. Replace air coupling seals (see paragraph 4-38).
d. Inspect front roadside grounding stud for damage. It must be
unpainted, securely mounted, and clean. If grounding stud is
damaged, replace (see paragraph 4-64).
e. Inspect pick-up plate for loose mounting bolts, cracks, or other
damage. If loose, torque pick-up plate mounting bolts to 120 lb.-ft.
(163 N-m). If pick-up plate isdamaged, replace (see paragraph 4-51).
f.
Inspect upper coupler assembly for loose mounting bolts,
cracks, bad welds, or a bowed condition. If loose, torque upper
coupler assembly mounting bolts to 120 lb.-ft. (163 N-m). If upper
coupler assembly is damaged, notify direct support maintenance.
5
ROADSIDE OF
SEMITRAILER
a. Inspect front port and butterfly valve and rear inlet for looseness
or damage. Be alert for signs of leaks. Tighten mounting screws if
loose. Ifany component is damaged, replace (see paragraph 4-80).
b. Inspect grounding stud at cabinet for damage. It must be
unpainted, securely mounted, and clean. If grounding stud is
damaged, replace (see paragraph 4-64).
c. Inspect ground rod tube assembly for looseness of mounting
hardware or damage. Tighten mounting hardware if loose.
d. Inspect cabinet and cabinet braces for looseness of mounting
hardware or damage. Tighten mounting bolts if loose. If cabinet is
damaged, notify direct support maintenance.
Change1 4-7