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Section 7 - Lubrication and Maintenance
Air Intake System
A. Air Filter Restriction Indicator Check
1. Perform "Shut-Down Procedure" on page 4-4.
2. Locate air cleaner (1) and check restriction indicator (2). If red band is visible,
filter(s) must be replaced.
3. Remove dust from vacuator valve (3) by squeezing bottom of valve to allow
loose particles to fall out.
Note: Only remove canister cover to service the elements as restriction indicator
indicates. Excessive access to check an element can lead to premature element
failure.
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