Specifications

TM 9-2330-384-14&P
4-11. SPECIFICPMCSPROCEDURES(Con't).
(3) ItemTo BeInspected. Listssystemandcommonnameof itemsthatareto be inspected.
(4) Procedures. Listsspecificservicing,inspection,replacement,oradjustmentproceduresto
be followed.
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS).
M-Monthly S-Semiannually A-Annually
ITEM INERVAL
ITEM TO BE
PROCEDURES
NO. MIT
S TA
INSPECTED
1 STEAM
CLEANING
NOTE
Steam cleaning of semitrailer is performed to aid
in a careful SEMIANNUAL inspection.
Steam clean the exterior of semitrailer, including undercarriage.
2 OPERATIONAL
CHECK
NOTE
Perform operational check while coupled to tractor
(see paragraph 2-12).
Fully pressurize semitrailer air system (see TM 9 -2320-273-10 or
TM 9-2320-283-10). Apply a soap solution (Item 9, Appendix E) to
all couplings, air lines, fittings, air reservoirs, brake chambers, and
valves (see paragraph 4-39). Make note of any leaks, damage, or
loose connections found. Tighten loose connections or make repairs
as required (see paragraphs 4-38 through 4-44). If two or more
consecutive clips supporting air lines are damaged or missing,
purge semitrailer tank (see paragraph 4-68). Notify direct support
maintenance to make welding repairs to clips.
3 TANK AND
PIPING ASSEM-
BLY
a. Purge tank (see paragraph 4-68). Inspect tank interiorfor pitting,
scaling, or bad welds. If tank interior is damaged, notify direct
support maintenance.
b. Have direct support maintenance perform vapor integrity test
(see paragraph 5-8).
4-6 Change1