Restriction Indicator
The air cleaner must be serviced whenever the restriction indicator red
signal band remains in view.
Restricted Elements
When the air cleaner elements are dust free and the intake air flow is
unrestricted, the red band in the indicator will stay out of sight.
When accumulated dust on the elements causes excessive air flow restric-
tion, the red band will rise and remain in view in the window; this means the air
cleaner must be serviced immediately. See page 84 for Air Cleaner Servicing.
Resetting Indicator
After aircleaner servici ng, the restriction indicator must be reset. Pressthe
reset button on the indicator. When the button is released, the red band should
drop out of sight.
1. Air Cleaner
2. Engine
3. Hood
4. Front Panel of Rear
Chassis
5. Reset Button
6. Restriction Indicator
7. Safety Filter
83
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