Servicing A Kohler Engine - Toro Z Master 4000 Series Operator's Manual

Servicing a Kohler
This section is only for machines with Kohler engines.
If your engine looks like the one shown in
you have a Kohler engine.
Important:
Refer to your engine owner's manual
for additional maintenance procedures.
Figure 55
Servicing the Air Cleaner
Service Interval: Every 150 hours—For Kohler
engines—inspect the primary
filter (more often in dirty or dusty
conditions).
Every 300 hours/Yearly (whichever comes
first)—For Kohler engines—replace the primary
air filter (more often in dirty or dusty conditions).
Every 300 hours—For Kohler engines—check
the inner air filter (more often in dirty or dusty
conditions).
Every 600 hours—For Kohler engines—replace
the inner air filter.
Removing the Filters
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
2. Shut off 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-inlet cover off the air-cleaner body
(Figure 56).
4. Clean the air-inlet screen and cover.
5. Install the air-inlet cover and secure it with the
latches (Figure 56).
® Engine
Figure 55,
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45
Figure 56
1. Air-inlet cover
2. Air-inlet screen
6. Release the latches on the air cleaner and pull
the air-cleaner cover off the air-cleaner body
(Figure 57).
7. Clean the inside of the air-cleaner cover with
compressed air.
8. Gently slide the primary filter out of the
air-cleaner body (Figure
Note:
Avoid knocking the filter into the side of
the body.
9. Remove the inner filter only if you intend to
replace it.
Important:
Never attempt to clean the inner
filter. If the safety filter is dirty, then the
primary filter is damaged. Replace both
filters.
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3. Air-cleaner body
4. Latch
57).