Toro Z450 Z Master, Operator'S Manual

Page: 29 / 60

4. Grease the three spindle bearings under the
pulleys until grease comes out the lower seals
(Figure 31).
5. Grease the idler arm on the mower deck
(Figure 31).
6. Grease the fittings on the push arms
(Figure 31).
Figure 31
Engine Maintenance
Servicing the Air Cleaner
Primary Filter: Check and/or replace it after
every 200 operating hours or more often in dusty
conditions.
Safety Filter: Replace it after every 600 operating
hours.
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 32).
Figure 32
1. Air cleaner body 4. Air cleaner cover
2. Primary lter 5. Safety lter
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 32).
Note:
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. 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.
Servicing the Primary Filter
• Check and/or replace the primary filter after
200 operating hours.
• If the primary filter is dirty, bent, or damaged,
replace it.
• Do not clean the primary filter.
Servicing the Safety Filter
Replace the safety filter after 600 operating hours.
29