Maintenance Instructions
• Check for ruptured, bulging, or collapsed pipes.
• Check air cleaner housing and air restriction gauge for
cracks.
Air Restriction Gauge
The air restriction gauge indicates how much engine air cleaner
filter capacity has been used and how much filter capacity
remains. It measures maximum restriction of the filter element
when the engine is operated at full load and locks at that
point. This feature gives the operator the capability of reading
maximum restriction with the engine shutdown.
The gauge is mounted on the forward side of the air cleaner
housing, or optionally on the center dash panel/wing panel.
Both gauges have a push type reset button. The reset on the
dash panel mounted gauge is in the face of the gauge. The reset
on air cleaner mounted gauge is on the end of the gauge. See
illustrations below.
It is recommended that the operator NOT reset the gauge until
after it has been determined if the air filter element must be
replaced.
1. Low Restriction
2. High Restriction
3. Reset Button
NOTE: If the yellow indicator is at its maximum reading,
replace the air filter element and reset the gauge (refer to the
Troubleshooting table).
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