Exmark 850000 AND HIGHER User Manual
Maintenance
Figure 23
1.
Oil filter
3.
Left rear tire
2.
Vent plug
6. Raise the rear of machine up and support with
jack stands (or equivalent support) just high
enough to allow drive wheels to turn freely.
enough to allow drive wheels to turn freely.
CAUTION
Raising the mower for service or maintenance
relying solely on mechanical or hydraulic
jacks could be dangerous. The mechanical or
hydraulic jacks may not be enough support
or may malfunction allowing the unit to fall,
which could cause injury.
relying solely on mechanical or hydraulic
jacks could be dangerous. The mechanical or
hydraulic jacks may not be enough support
or may malfunction allowing the unit to fall,
which could cause injury.
Do Not rely solely on mechanical or hydraulic
jacks for support. Use adequate jack stands
or equivalent support.
jacks for support. Use adequate jack stands
or equivalent support.
7. Start engine and move throttle control ahead to
1/2 throttle position. Disengage parking brake.
WARNING
Engine must be running and drive wheels
must be turning so adjustments can be
performed. Contact with moving parts or hot
surfaces may cause personal injury.
must be turning so adjustments can be
performed. Contact with moving parts or hot
surfaces may cause personal injury.
Keep fingers, hands, and clothing clear of
rotating components and hot surfaces.
rotating components and hot surfaces.
A. With the bypass valve open and the engine
running, slowly move the directional control
in both forward and reverse (5 or 6 times).
in both forward and reverse (5 or 6 times).
B. With the bypass valve closed and the engine
running, slowly move the directional control
in both forward and reverse directions (5 to
in both forward and reverse directions (5 to
6 times). Check the oil level, and add oil as
required after stopping the engine.
required after stopping the engine.
C. It may be necessary to repeat steps A and
B until all the air is completely purged from
the system. When the transaxle operates at
normal noise levels and moves smoothly
forward and reverse at normal speeds, then
the transaxle is considered purged.
the system. When the transaxle operates at
normal noise levels and moves smoothly
forward and reverse at normal speeds, then
the transaxle is considered purged.
Do Not change hydraulic system oil (except for what
can be drained when changing filter), unless it is felt
the oil has been contaminated or been extremely hot.
can be drained when changing filter), unless it is felt
the oil has been contaminated or been extremely hot.
Changing oil unnecessarily could damage hydraulic
system by introducing contaminates into the system.
system by introducing contaminates into the system.
Servicing the Spark Plug
Service Interval: Every 200 hours/Every 2
years (whichever comes
first)
first)
Every 500 hours—Replace
the spark plug.
the spark plug.
As stated in the maintenance intervals, remove the
spark plug, check condition, and reset the gap or
replace with a new plug as necessary.
spark plug, check condition, and reset the gap or
replace with a new plug as necessary.
The spark plug is RFI compliant. Equivalent alternate
brand plugs can also be used.
brand plugs can also be used.
Type: Champion XC92YC
Champion RC12YC or QC12C may be used if your
area does not require compliance with Canadian
ICES-002, ISO 14982, or EN 55012.
area does not require compliance with Canadian
ICES-002, ISO 14982, or EN 55012.
Air Gap: 0.030 inch (0.76 mm)
Removing the Spark Plug
1. Disengage the blade control switch, move the
motion controls outward to the park position,
stop the engine, and remove the key.
stop the engine, and remove the key.
2. Pull the wire off of the spark plug (Figure 24).
Clean around the spark plug to prevent dirt from
falling into the engine and potentially causing
damage.
falling into the engine and potentially causing
damage.
Note: Due to the deep recess around the spark
plug, blowing out the cavity with compressed air
is usually the most effective method for cleaning.
The spark plug is most accessible when the
blower housing is removed for cleaning.
plug, blowing out the cavity with compressed air
is usually the most effective method for cleaning.
The spark plug is most accessible when the
blower housing is removed for cleaning.
3. Remove the spark plug and metal washer.
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