Table 4-2 preventative Maintenance Check 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
1,
X
x
Radiator
Inspect for leaks and main
TB ORD 651
tain coolant level a4 inch
above baffle.
X
Use hydrometer to measure
coolant system's freezing point.
Add antifreeze as required to protect
coolant system to lowest ambient
temperature.
X
Replace worn hoses
Para 4-50
2X
Water filter
Replace cartridge every 400 hours
Para 4-51
Polish plates, and if less than half
of metal can be exposed, replace
them. Check for leaks after replac-
ing cartridge.
3
X
X
Drive belts, gener-
Inspect belt deflection
Fig 3-11
ator, water pump
and fan
X
Inspect belts for cracks and frays
Para 4-48
Replace as necessary.
4
X
X
Fuel filters
Drain water and sediment. Inspect
Para 4-23
for leaks. Replace secondary filter
element, clean primary filter element
and clean float tank filter screen
every 250 hours.
5
X
X
Oil level
Check oil level. Add oil as necessary
LO 5-3810-232-12
6
X
X
X
Batteries
Tighten loose cables and mounting
TM 9-6120-200-15
Remove corrosion. Inspect for cracks
and leaks. Clean filler cap vent holes.
X
Add water to 3/8 inch above plates
as required. In freezing weather
operate engine for a minimum of
1 hour.
X
Test specific gravity of battery solu-
Para 4-61
tion and recharge or replace as
required.
7
X
X
X
Tires and wheels
Check tire pressure. Correct pressure
TM 9-1870-1
is 55 psi. Inspect for excessive wear,
cuts, breaks, embedded foreign
matter and missing valve caps.
8
X
Fuel tank
Tighten loose mounting. Replace
X
leaking fuel tank. Replace a defective
cap gasket.
9
X
X
Air cleaner
Add oil as required
LO 5-3810-232-12
10
X
X
Hydraulic reservoir
Add oil as required. Service filter
LO 5-3810-232-12
11
X
Lights
Inspect wiring for damage and loose
Para 4-69
connections. Repair or replace as
required.
12
X
X
Brakes
Inspect for proper operation. Check
Para 4-143
air system for leaks and damage.
Adjust brakes as necessary.
13
X
X
Windshield wiper
Inspect wiper blade and arm for
Para 4-152
damage. Replace defective parts as
required.
14
X
X
Fire extinguisher
Inspect for broken seal
Para 2-29
15
X
Operator's cab
Inspect for damage. Replace a cracked
Para 4-151
glass. Repair or replace a damaged
Para 4-148
door.
4-3
