CHAPTER 4
ORGANIZATIONAL
MAINTENANCE
INSTRUCTIONS
Section I. ORGANIZATIONAL PREVENTIVE MAINTENANCE SERVICES
4-1. General
tenance checks and services which must be performed
by organizational maintenance personnel. Item num-
Refer to paragraph 3-6 for the purpose of preventive
bers indicate the sequence of minimum inspection
maintenance checks and services.
requirements and the interval column designates
the required service intervals. A quarterly interval
4-2. Preventive Maintenance Services
is equal to three calendar months or 250 hours of
operation, whichever occurs first.
Table 4-1 contains a tabulated list of preventive main-
Table 4-1. Preventive Maintenance Checks and Services (Organizational)
Interval
MMonthly
B--before
operation
A--After operation
W -- Weekly
QQuarterly
D--During
operation
Operator
Org.
Reference
M
Q
Item to be inspected
Procedure
w
A
B
D
--
--
Para 4-43 and
x
1
Master cylinder and
Check for proper operation, leaks, loose
Para 4-44
fittings and secure mountings.
air brake chamber
x
TM 5-2805-203-14
2
Engine
Inspect engine for proper operation.
x
3
Carburetor and
Check carburetor and linkage to see
linkage
that they are in good condition, cor-
rectly installed and assembled. Check
carburetor for leaks. Make sure choke
valve opens fully when in released
TM 5-2805-203-14
position.
x
4
Fuel pump and fuel
Inspect fuel pump and fuel lines for
TM 5-2805-203-14
lines
leaks. Check for secure mounting.
Para 4-20
x
5
Fuel tank
Check fuel tank, lines and connections
for leaks.
TM 5-2805-203-14
x
Engine air cleaner
6
Check for secure mounting and loose
connections.
TM 5-2805-203-14
7
x
Engine oil filter
Inspect oil filter for secure mounting.
Inspect oil lines for leaks.
Para 3-18
8
Compressor air
Inspect for secure mounting and loose
cleaner
connections.
9
x
Lubricant pressure
Check for lubricant or air leaks at all
system
lines. Check swivel joints at hose
Paras 4-28 and
reel inlets.
4-35
x
10
Lubricant tanks
Inspect lubricant tanks for cleanliness
and leakage. Inspect tank cover to
Para 4-31
make sure it seals properly.
x
Para 4-30
11
Inspect lubricant pumps for leakage
Lubricant pumps
and secure mounting.
Para 4-34
Inspect pump hoses for leaks or other
damage.
Para 4-32
x
12
Lubricant valves
Inspect lubricant valves and meters
for proper operation.
and meters
x
Para 4-16
13
Inspect instrument panel for secure
Instrument panel
mounting. Inspect all gages and
switches for proper operation.
4-1
