Table 3-2. Preventative Maintenance Checks and Services
Items to be inspected
Check fuel level. Add fuel when necessary.
Check for leaks in tank or fittings. Replace a
defective fuel tank.
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.
Track and Hook
Visually inspect for loose hardware, excessive
wear, or improper adjustment Adjust track;
proper adjustment is 1 inch minimum sag.
Adjust hook rollers.
Replace defective hook rollers. Replace track
Check operation and adjustment. Adjust if neces-
sary. Report defective chain to organizational
maintenance. Report defective gears to direct
Replace defective crowd chain.
Check all lighting. Clean all lenses, replace all
Replace defective panel, floodlights, or dome
Check engine oil level. Add oil when necessary
(See Lubrication Order LO 5-3810-206-12).
Check external oil lines and fittings Tight
loose fittings. Replace defective fitting or hose.
Drain sediment. Clean or replace filter element.
Inspect fuel lines for leaks or defective fittings.
Replace defective fitting or hose
Check coolant level. Add coolant when necessary.
(Proper level in 2 inches below filler cap).
Drain, flush, neutralize, and refill when neces-
Check for proper anti-freeze solution, clean radi-
tor grill and core of all entrapped material.
Correct all coolant leaks in hose or fittings.