Table 3-2. Preventive Maintenance Checks and Services
Interval
B--Before operation
A-After operation
M-Monthly
Operator
Org.
D-During operation
W-Weekly
Q-Quarterly
Daily
M
Q
Item to be inspected
Procedure
Reference
BDAW
LUBRICATE IN ACCORDANCE WITH CURRENT LUBRICATION ORDER (LO 5-3810-201-12)
1
X
X
Engine Fuel Tank
Check fuel level. Add fuel when
necessary.
X
Check for leaks in tank or fittings. Re- (para 3-71)
place a defective fuel tank.
2
X
X
Heater Fuel Tank
Check fuel level. Add fuel when neces- (para 3-24)
sary. Clean strainer.
X
Check for leak in tank or fittings. Re-
place a defective tank.
3
X
Batteries
Check level of electrolyte. Proper level (para 3-16)
is 3/8 inch above plates. Add water
when necessary. (In freezing weather
run engine at least an hour after
adding water). Assure that ground
and battery cables are tight, and that
no corrosion is forming on cables or
posts. Assure that specific gravity
of electrolyte is 1.250 or more.
Charge weak battery. Replace defective (para 3-81)
battery.
4
X
Track and Hook Rollers
Visually inspect for loose hardware, ex- (para 3-41)
cessive wear, or improper adjustment. (para 3-39)
Adjust track; proper adjustment is
1 1/2 inch minimum sag. Adjust hook
rollers.
X
Replace defective hook rollers. Replace (para 3-125
track.
and 3-126)
5
X
Crowd Chain, Tightener,
Check operation and adjustment. Ad- (para 3-35)
and reverse mechanism
just if necessary. Report defective
chain to organizational maintenance.
Report defective gears to direct sup-
port maintenance.
X
Replace defective crowd chain.
6
X
X
Lighting
Check all lighting. Clean all lenses, re- (para 3-15)
place all defective lamps.
X
Replace defective panel, floodlights, or (para 3-181
dome lights.
through 3-183)
7
X
X
Engine Oil
Check engine oil level. Add oil when
necessary (See Lubrication Order
LO 5-3810-201-12).
X
Check external oil lines and fittings.
Tight loose fittings. Replace defective
fitting or hose.
8
X
Engine Fuel Filters
Drain sediment. Clean or replace filter (para 3-13)
element.
X
Inspect fuel lines for leaks or defective (para 3-74 or
fittings. Replace defective fitting or
hose.
9
X
Heater Fuel Pump
Clean screen in an approved solvent
and dry with compressed air. Check.
Replace a defective screen.
X
Check for leak in line or pump. Replace (para 4-46)
a defective pump.
10
X
Radiator
Check coolant level. Add coolant when (para 3-20)
3-22
