TM 9-2330-271-14&P
leakage you need to know to be able to determine the
CLASS III
Leakage or fluid great enough to
status of your vehicle. Learn to be familiar with them and
form drops that fall from the
remember - when in doubt, notify your supervisor.
item being checked/inspected.
CAUTION
Leakage Definitions for Crew/Operator PMCS
Equipment operation is allowable
CLASS I
Seepage of fluid (as indicated by
with minor leakages (Class I or II). Of
wetness or discoloration) not
course, consideration must be given
great enough to form drops.
to the fluid capacity in the
CLASS II
Leakage of fluid great enough to
item/system
being
form drops but not enough to
checked/inspected. When in doubt,
cause drops to drip from item
notify your supervisor.
being checked/inspected.
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services
B - Before
D - During
A - After
W - Weekly
M - Monthly
INTERVAL
ITEM TO BE INSPECTED
ITEM
PROCEDURE: Check for and have repaired,
Equipment is not
NO
B
D
AWM
filled, or adjusted as needed
ready/available If:
TIRES
1
Gage tires for correct pressure
Tires are flat or damaged
2
Inspect for cuts, punctures, or other
unusual wear or damage
WHEELS
3
Check that wheel stud nuts & hub c ap bolts
Wheel studs nuts/hub cap bolt are loose
are present and securely tightened
or missing
BRAKE HOSES
4
Inspect hose couplings for damage
Hoses/couplings missing or damaged
Inspect hoses for damage or deterioration
ELECTRICAL
SYSTEM
6
Inspect electrical intervehicular connector
for damage.
7
Visually inspect electrical wiring for cuts,
breaks, or any other damage
AIR FILTER
8
Drain air filters (if provided)
AIR BRAKE
RESERVOIR
9
Check that reservoir mounting hardware
Air reservoir is loose
is secure
10
Drain condensation from reservoir
SPRINGS
11
Inspect springs for abnormal sag, broken
Spring assemblies damaged
or shifted leaves, loose or missing re-
missing parts
bound clips, pins, U-bolts, safety nuts, or
bolts
AIR SUSPENSION
SYSTEM
12
Check air spring inflation
Air suspension system damaged or
missing parts
13
Check for loose or broken parts
14
Drain condensation from air reservoir
AIR MOUNTED
FIFTH WHEEL
KING PIN
15
Check air spring inflation
16
Check for loose or broken parts
17
Drain condensation from air reservoir
3-8
