TM9-2320-211-20-1
Table 1-1. Organizational Preventive Maintenance Checks and services.
S-Seniannually
B-Biennially
A-Annuallv
Item To Be
Internal
Item
Procedures
Inspected
SAB
No.
PRIOR TO ROAD TEST:
Perform all before operation checks listed in TM 9-2320-211-10.
"Preventive Maintenance Checks and Services".
NOTE
Road test must be performed regardless of interval.
ROAD TEST
NOTE
The following inspections will be performed during starting
and warm-up. just prior to actual road test.
While starting vehicle, listen for unusual noises and difficult cranking
Starter
1
at starter.
a. Listen for unusual noises. hesitations. and varying idle speed.
Engine and engine
2
Observe response to accelerator feed.
compartment
b. Be alert for excessive vibration and the smell of fuel. oil. or
Dials and
Observe the following dials and indicators for proper operation:
3
indicators
a. Low' Air Pressure Warning Buzzer. Should sound off when air
pressure is below 60 psi. (413 kpls.).
h. Primary and Secondary Air Pressure Gages. Should reach
operating pressure (90-120 psi, - 826 kpls.) within two minutes
of starling.
c. Vo/tometer (Batteries). Needle will point to green area when
batteries are holding a full charge.
d. Tachometer. Should read 550-600 rpm. with engine idling.
e. Engine Oil Pressure Gage. Will read between 10-30 psi. (69-206
kpls. ) at idle.
f. Engine Coolant Temperature Gage. Should read 165-195 F
(73-90C) at normal operating temperature.
g. Parking Brake Warning Light. Will be Iit when parking brake is
engaged.
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