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Page Title:
Table 2-1. Unit Level Preventive Maintenance Checks And Services |
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 TM 9-2320-279-20-1
Not Mission
Procedure
Item
Interval
Item To Be
Capable If:
No.
Inspected
PRIOR TO ROAD TEST
Supervise Operator/Crew in performing
-10 PMCS listed in TM 9-2320-279-10.
ROAD TEST
Maintenance personnel will be with
vehicle operator to assist in performing -10
PMCS checks and verify preservice
checks.
NOTE
The following will be performed during the
road test. These inspections must be
performed before any -20 level PMCS
regardless of interval.
For road test, vehicle will be driven at least
five miles over different ground to give
enough time to detect any malfunctions.
a. With parking brake applied, and foot off
Semi-
Pre-
1
accelerator, place transmission in drive and
Service
Annual
attempt to start vehicle. If vehicle starts, re-
Checks
place neutral safety switch (para 8-4).
a.1. Starter inoperative or
a.1. Notice if starter engages smoothly and
makes excessive grinding
turns the engine at normal cranking speed.
sound.
knocks,
b. Engine
b. Listen for unusual engine noise at idle, at
rattles or smokes exces-
operating speeds, and under acceleration. Be
sively.
alert for excessive vibration and the smell of
oil, fuel or exhaust.
c. Transmission shifts
c. Check for transmission response to shift-
improperly, does not
ing and for smoothness of operation in all
shift or makes excessive
speed ranges. Be alert for unusual noises and
noises.
difficulty in shifting in any speed range.
d. Transfer case jumps
d. Check for transfer case response to shift-
out of gear or makes ex-
ing and for smoothness of operation in all gear
cessive noises.
ranges. Be alert for unusual noises and diffi-
culty in shifting in any gear range.
e. Pedal sticking or
e. Test for response to accelerator feed. Ob-
binding.
serve for sticking pedal.
Change 3
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