Table 3-2. Preventative Maintenance Checks and Services
Interval
B-Before operation
A-After operation
M-Monthly
Item
D-During operation
W-Weekly
Q-Quarterly
Number
Operator
Org.
Daily
M
Q
Items to be inspected
Procedure
Reference
B
D
A
W
1
X
X
Engine Fuel
Check fuel level. Add fuel when necessary.
X
Tank
Check for leaks in tank or fittings. Replace a
defective fuel tank.
2
X
Batteries
Check level of electrolyte. Proper level 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 battery.
3
X
Track and Hook
Visually inspect for loose hardware, excessive
(para 3-37)
Rollers
wear, or improper adjustment Adjust track;
proper adjustment is 1 inch minimum sag.
Adjust hook rollers.
X
Replace defective hook rollers. Replace track
(para 3-134) 3-119)
4
X
Crown Chain
Check operation and adjustment. Adjust if neces-
Tightener, and
sary. Report defective chain to organizational
reverse
maintenance. Report defective gears to direct
System
support maintenance.
X
Replace defective crowd chain.
5
X
X
Lighting
Check all lighting. Clean all lenses, replace all
defective lamps.
X
Replace defective panel, floodlights, or dome
lights.
through 3-175)
6
X
X
Engine Oil
Check engine oil level. Add oil when necessary
(See Lubrication Order LO 5-3810-206-12).
X
Check external oil lines and fittings Tight
loose fittings. Replace defective fitting or hose.
7
X
Engine Fuel
Drain sediment. Clean or replace filter element.
Filters
X
Inspect fuel lines for leaks or defective fittings.
(para 3-70 or
Replace defective fitting or hose
8
X
Radiator
Check coolant level. Add coolant when necessary.
(Proper level in 2 inches below filler cap).
Drain, flush, neutralize, and refill when neces-
sary.
X
Check for proper anti-freeze solution, clean radi-
tor grill and core of all entrapped material.
Correct all coolant leaks in hose or fittings.
3-20
