TM 5-4320-300-14
Table 4-1 Organizational Preventive Maintenance Checks and Services - Continued
W - Weekly
Q- Quarterly
M - Monthly
S- Semiannually
Interval
Item
Item
To Be
No. W M Q S
Inspected
Procedures
b. Carefully detach one connecting wire from the back of the
low oil pressure cutout switch. Air shutoff solenoid should
energize 5 to 10 seconds after low oil pressure cutout
switch is disconnected. If solenoid does not shut off engine,
replace solenoid (paragraph 4-25).
c. Reconnect low oil pressure cutout switch.
d. Reset air shutdown solenoid by pulling down on solenoid
control lever until it holds in the set position.
6
Overspeed
Governor
CAUTION
Do not run overspeed governor test without the
pump connected to a large water source. Damage
to internal pump seals could result.
Inspect exterior of overspeed governor for rust or other dam-
age. Inspect terminals and mounting bolt s for tightness.
Inspect connecting wires for broken conductors or damaged
insulation.
If governor is rusty or damaged, notify direct sup-
port maintenance. Tighten loose terminals and mounting bolts,
and repair or replace any damaged governor connecting wires
before performing overspeed governor test.
4-16
