Engine Maintenance; Servicing The Air Cleaner - Toro 74922 Operator's Manual
Riding mower with 48 in or 52 in turbo force side discharge mower
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Also See for 74922:
- Operator's manual (68 pages) ,
- Service manual (188 pages) ,
- Operator's manual (72 pages)
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14.
Reinstall the seal guards over the wheel hub and insert
wheel into caster fork. Reinstall caster bolt and tighten
nut fully.
Important: To prevent seal and bearing damage, check
the bearing adjustment often. Spin the caster tire. The
tire should not spin freely (more than 1 or 2 revolutions)
or have any side play. If the wheel spins freely, adjust
torque on spacer nut until there is a slight amount of
drag. Reapply thread locking adhesive.
Engine Maintenance
WARNING
Contact with hot surfaces may cause personal
injury.
Keep hands, feet, face, clothing and other body
parts away the muffler and other hot surfaces.
Servicing the Air Cleaner
Service Interval: Every 250 hours—Replace the primary air
filter.
Every 250 hours—Check the secondary air filter.
Every 500 hours—Replace the secondary air filter.
Note: Service the air cleaner more frequently if operating
conditions are extremely dusty or sandy.
Removing the Filters
1. Disengage the PTO, move the motion control levers to
the neutral locked position and set the parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Push down to release the retaining clamps on the air
cleaner and pull the air cleaner cover off of the air
cleaner body (Figure 46).
4. Clean the inside of the air cleaner cover with
compressed air.
5. Gently slide the primary filter out of the air cleaner
body (Figure 46). Avoid knocking the filter into the
side of the body.
6. Remove the secondary filter only if you intend to
replace it.
Important: Never attempt to clean the secondary
filter. If the secondary filter is dirty, then the
primary filter is damaged and you should replace
both filters.
7. Inspect the primary filter for damage by looking into
the filter while shining a bright light on the outside of
the filter. Holes in the filter will appear as bright spots.
If the filter is damaged discard it.
35
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