Engine Maintenance; Servicing The Air Cleaner - Toro 74923TE Operator's Manual

Note: Do not thread the spacer nut all of the way
onto the end of the axle. Leave approximately 1/8 inch
(3 mm) from the outer surface of the spacer nut to the
end of the axle inside the nut.
9. Insert the assembled nut and axle into the wheel on the
side of the wheel with the new seal and bearing.
10. With the open end of the wheel facing up, fill the area
inside the wheel around the axle full of general-purpose
grease.
11. Insert the second bearing and new seal into the wheel.
12. Apply a thread-locking adhesive to the second spacer
nut and thread onto the axle with the wrench flats
facing outward.
13. Torque the nut to 8-9 N-m (75-80 in-lb), loosen it, and
then torque the nut again to 2-3 N-m (20-25 in-lb).
Note: Ensure that the axle does not extend beyond
either nut.
Installing the Caster Wheels
1. Install the seal guards over the wheel hub
2. Insert wheel into caster fork.
3. Install caster bolt and tighten nut fully.
4. Lower the front of the machine using one of the
following methods:
•
Jack and jack stands
A. Raise front of the machine using a jack.
B. Remove the jack stands.
C. Lower the machine.
D. Remove the chocks the rear tires.
•
Z Stand
A. Remove the chocks the rear tires.
B. Lower the machine from the Z Stand;
Driving off the Z Stand (page 30).

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 (heavy duty air cleaner). (more
often in dusty or sandy conditions)
Every 250 hours—Check the safety air filter (heavy
duty air cleaner).
Every 500 hours—Replace the safety air filter (heavy
duty air cleaner).
Note: Check the filters more frequently if the 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. Release the latches on the air cleaner, and pull the air
cleaner cover off the air cleaner body (Figure 49).
1. Air cleaner body
2. Primary filter
3. Latch
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 49).
35
Figure 49
4. Air cleaner cover
5. Safety filter