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Page Title:
Table 4-3. Organizational Preventive Maintenance Checks and Services - Continued |
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 TM 10-3930-630-12
Table 4-3. Organizational Preventive Maintenance Checks and Services - Continued
Q--Quarterly
Total man-hours required: 3.0
Sequence No.
Item to be inspected
Work
. procedure
Time
(M/H)
12
BATTERY
0.1
Check battery for loose cables Remove corrosion Fill battery to 3; inch above plates Clean vent holes in
18
LIGHTS
0.1
Check lights for proper operation Inspect lights for broken lens and other damage (para 4-47).
14
0.1
Operate engine and check ammeter. Alternator should be charging and taper down to a minimum
charging rate. Inspect wires and connections to alternator and tighten if necessary (par 4-51).
15
STARTER
0.1
Operate starter to start engine and check operation. Check wires connected to starter and tighten if
necessary (para 4-2)
16
STARTER
Check engine operation Adjust distributor points if necessary (para 453).
17
SPARK PLUGS AND COIL
0.1
Check engine operation If engine runs erratically or seems to lack power, check spark plugs and coil
18
AIR CLEANER
0.1
Check air cleaner indicator. If indicator is locked with red in the up position, clean or replace element.
Reset indicator (para 4-57).
19
CARBURETOR
0.1
Reset indicator (para 4-5).
Operate engine and check carburetor operation. Test and adjust if necessary (para 4-58).
20
FUEL PUMP
02
Check fuel pump pressure (para 4-60).
21
CRANKCASE VENT VALVE
0.1
Remove vent valve and check valve (para 4-62).
22
GOVERNOR
0.1
Operate engine and check governor operation (par 4-59
28
ACCELERATOR
0.1
Operate pedal and linkage Check operation (para 4658
24
FUEL TANK FILLER CAP AND SCREEN
0.1
Remove filler cap and check screen Clean screen if necessary (para 4-61).
26
FUEL LINES
02
Check fuel lines for leakage and damage. Tighten connections (para 4-68).
2a
DRIVE BELT
02
Check belt for stretching and wear. Adjust belt to obtain 3/4-inch deflection between pulleys (para 4-1).
27
FAN AND WATER PUMP
0.1
Check fan for bent or dented blades If engine is overheating check water pump operation (para 4/8).
28
RADIATOR
02
Check radiator for leaks and damage. Test radiator and cap for correct pressure (par 469).
29
HOSES AND THERMOSTAT
0.1
Check hoses for leaks and good condition Tighten hose clamps if necessary. Check thermostat operation
(para 670).
80
MUFFLER AND PIPES
02
Check muffler and pipes for leaks and damage. Tighten clamps if necessary (para 4-75
31
DRAGLINK AND TIE RODS
0.1
Operate steering and check drag link and tie rods (para 4-74)
32
ENGINE
02
Check engine operation Inspect engine for leaks and damage. Change engine oil if necessary (para 4-80).
33
ENGINE OIL FILTER
02
Check engine oil filter. Replace filter according to interval specified in current Lubrication Order.
34
02
Check manifolds for cracks or leakage (pars 4-81
35
CYLINDER HEAD
0.1
Check cylinder head for leakage and damage (para 4-82).
36
VALVE
0.1
Check engine and valve operation (para 4-8-3)
37
WHEELS AND BEARINGS
0.1
Check drive and steer wheels for proper operation Adjust steering stops if necessary (pars 485).
38
TIRES
02
Check tires for wear, cuts and damage. Notify direct and general support maintenance if tires require
replacing (para 3-15
4-6
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