OPERATING MAIN ENGINE AIR CLEANER SYSTEM
Right projectile rack assembly must be
moved before locking handles may be
In temperatures over 40 F (4.4 C), leave
locking handles (1) in holders.
In temperatures below 25 F (-3.9 C),
raise locking handles (1) and fasten them
on hooks (2).
When operating in temperatures from 25
F to 40 F (4.4 C to -3.9 C), position as
1. Start engine with locking handles (1) in
2. When engine reaches operating
temperature, place locking handles (1)
in summer position.
AIR CLEANER RESTRICTION INDICATOR
An air cleaner restriction indicator is located in drivers compartment just above engine access cover. During normal
operation, a yellow sleeve in the indicator will indicate the amount of restriction. When yellow sleeve reaches the red
bank on indicator, air cleaner elements should be serviced 9p. 3-28). A reset button on bottom of indicator will retract
the yellow sleeve. If the restriction has not been removed, the yellow sleeve will reach into red band on indicator the
next time engine is operated.