INTERVAL
TM 5-4320-302-14
Table 2-2. Operator/Crew Preventive Maintenance Checks and Services-Continued
B BEFORE OPERATION
A AFTER OPERATION
M MONTHLY
D DURING OPERATION
W WEEKLY
B
D
A
W
M
27
Exhaust Silencer, Exhaust Elbow, 1-1/2-Inch Nipple,
Personnel
Exhaust Primer Assembly, and Muffler Guard.
hazard exists
as a result of
escaping ex-
WARNING
haust gases or
engine exhaust
is restricted
Exhaust silencer and related components get
causing exces-
hot enough during pump operation to cause
sive back pres-
severe burns. Avoid contact with exhaust
sure.
silencer and related components during
checks described in this text.
Visually inspect muffler guard for excessive vibration
during operation.
Listen for leaking exhaust gases. Identify leaking
components.
An exhaust valve that
fails to open easily
can cause excessive
exhaust back pressure,
which can damage the
engine.
Visually inspect operation of
exhaust valve. Be sure that
it does not bind during en-
gine operation. Be sure that
exhaust gases cause it to
open smoothly.
ITEM
NO.
ITEM TO BE INSPECTED
PROCEDURE
EQUIPMENT IS NOT
READY/AVAILABLE IF:
2-43
