TM 9-2320-260-20
Table 2-1. Unit Level Preventive Maintenance Checks and Services (Contd).
NOT FULLY
ITEM TO
PROCEDURE
ITEM
INTERVAL
MISSION
CHECK/
CAPABlE IF:
SERVICE
NO.
a. Inspect engine crankcase breather (1) for
Semi-
18
Engine
annual
clogging. Remove and clean if clogged (para. 3-4).
breather
b. If vehicle is equipped with clean air system, replace
engine crankcase breather (1) (para. 3-4).
a. Ensure vibration damper (2) inner and outer
Vibration damper
Semi-
Vibration
19
inner and outer
annual
damper
alignment marks are aligned. Notify your supervisor if
not aligned properly.
alignment marks
do not align.
WARNING
Stay clear of moving parts while engine is run-
ning. Failure to do so may result in injury or
death to personnel.
Vibration damper
b. With engine started and at idle, visually inspect
vibration damper (2) for wobble and runout. Notify your
wobbles, or run-
out exists.
supervisor if wobble or runout exists.
2-14
