© 2014-2015 Minuteman International, Inc.
Nautilus Hi-Dump Rider Scrubber/Sweeper #988752UM Rev. * 03/16
Page 56
AIR FILTER SERVICE
INDICATOR
AIR FILTER
ELEMENT OUTER
AIR FILTER
ELEMENT INNER
RETAINING
CLAMPS
DUST CAP
Fig. 1: Air Intake System
PREVENTATIVE MAINTENANCE
Air Filter Cleaning
1. Once you have removed the air fi lter elements, empty
the dust cup and clean the interior of the air fi lter
housing.
2. Use an air hose to blow out the air fi lter elements. Air
pressure should be 100 psi (689 kPa) or less.
Air Filter Inspection
1. After you clean the air fi lter elements, check the
elements for holes by passing a light bulb inside it.
Air Filter Installation
1. Wipe out the air cleaner housing with a damp cloth. Be
sure all dirt is removed.
2. Install the cleaned replacement fi lter elements so that the
fi ns are at the far end of the housing. Be careful not to
damage the fi ns.
3. Replace the rubber plug in the dust cup.
4. Replace dust cup, being sure embossed word “top” on
cup is positioned correctly (up).
5. Tighten the retaining clips.
6. Check the condition of intake hoses and clamps. Close
engine top cover and side door.