Servicing The Air Cleaner - Toro 74239 Operator's Manual

blade is not balanced, file some metal off the end of
the sail area only (Fig. 34). Repeat this procedure until
the blade is balanced.
1
Figure 33
1. Blade
Installing the Blades
1. Install the blade onto the spindle shaft (Fig. 34).
Important The curved part of the blade must be
pointing upward toward the inside of the mower to ensure
proper cutting.
2. Install the spring disk and blade bolt (Fig. 34). Torque
the blade bolt to 85–110 ft-lb (115–150 N m).
3
5
4
1
4
Figure 34
1. Sail Area of Blade
2. Blade
3. Spring Disk

Servicing the Air Cleaner

Primary Filter: Replace after every 250 operating hours.
Safety Filter: Replace after every 600 operating hours.
Note: Check the filters 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.
2
m–1855
2. Balancer
2
3
M–4226
4. Blade Bolt
5. Cone Towards Bolt Head
31
3. Release the latches on the air cleaner and pull the air
cleaner cover off of the air cleaner body (Fig. 35).
4. Clean the inside of the air cleaner cover with
compressed air.
5. Gently slide the primary filter out of the air cleaner
body (Fig. 35). Avoid knocking the filter into the side
of the body.
6. Remove the safety filter only if you intend to replace
it.
Important
Never attempt to clean the safety filter. If
the safety 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.
5
2
Figure 35
1. Latches
2. Air cleaner cover
3. Air filter body
Servicing the Primary Filter
Do not clean the primary filter. Replace it after
250 operating hours.
Servicing the Safety Filter
Do not clean the safety filter. Replace it after
600 operating hours.
Important
Never attempt to clean the safety filter. If
the safety filter is dirty, then the primary filter is damaged
and you should replace both filters.
Installing the Filters
Important To prevent engine damage, always operate
the engine with both air filters and cover installed.
3
4
1
1
m–4815
4. Primary filter
5. Safety filter