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Maintenance
13. Torque the nut to 75-80 in-lb (8-9 N-m), loosen,
then re-torque to 20-25 in-lb (2-3 N-m). Make
sure axle does not extend beyond either nut.
14. Reinstall the seal guards over the wheel hub and
insert wheel into caster fork. Reinstall caster bolt
and tighten nut fully.
Important: To prevent seal and bearing damage,
check the bearing adjustment often. Spin the
caster tire. The tire should not spin freely
(more than 1 or 2 revolutions) or have any side
play. If the wheel spins freely, adjust torque on
spacer nut until there is a slight amount of drag.
Reapply thread locking adhesive.
Check Spark Plugs
Service Interval: Every 160 hours
Remove spark plugs, check condition and reset gaps,
or replace with new plugs. See Engine Owner’s
Manual.
Change Fuel Filter
Service Interval: As required
A fuel lter is installed in the fuel line between the
fuel tank and the engine. Replace when necessary.
Replacement Filters
Kawasaki Kawasaki
P/N 49019-7005
Change Hydraulic System
Filter and Fluid
Service Interval: After the rst 250 hours
Every 500 hours/Yearly
(whichever comes
rst) thereafter
(Every 250 hours/Yearly if
using Mobil 1 15W50)
Note: Use only Exmark Part No. 109–4180 for
Summer use above 32°F (0°C) or P/N 1-523541 for
Winter use below 32°F (0°C) (Refer to Transmission
section in Specications for lter specications).
1. Stop engine, wait for all moving parts to stop, and
remove key or spark plug wire(s). Engage parking
brake.
2. Carefully clean area around lter. It is important
that no dirt or contamination enter hydraulic
system.
3. Unscrew lter to remove and allow oil to drain
from reservoir.
Important: Before reinstalling new lter, ll
it with Exmark Premium Hydro oil and apply
a thin coat of oil on the surface of the rubber
seal.
Turn lter clockwise until rubber seal contacts the
lter adapter, then tighten the lter an additional
2/3 to 3/4 turn.
4. Fill reservoir as stated in Check Hydraulic Oil
Level.
Exmark Premium Hydro Oil is recommended.
Refer to the chart for an acceptable alternative:
Hydro Oil
Change Interval
Exmark Premium Hydro
Oil (Preferred)
500 Hours
Mobil 1 15W50
250 Hours
5. Loosen lter 1/2 turn and allow a small amount
of oil to leak from the oil lter (this allows air to
be purged from the oil lter and supply hose from
the hydraulic reservoir). Turn lter clockwise
until rubber seal contacts the lter adapter. Then
tighten the lter an additional 2/3 to 3/4 turn.
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.
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.
Do Not rely solely on mechanical or hydraulic
jacks for support. Use adequate jack stands
or equivalent support.
7. If either drive wheel does not rotate, one or both
of the charge pumps (located on the top of the
main pump as shown in
Figure 21) may have lost
their “prime”. Refer to Hydraulic System Air
Purge section.
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