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Check Fuel Lock Off
Assembly
Service Interval: Every 500 hours
Have the fuel lock off assembly inspected for
damage/leakage by an Authorized Kohler Dealer or
qualified LPG technician.
Change Engine LPG Fuel
Filters
Service Interval: Every 200 hours
See the Engine Owner's manual for information on
changing the fuel filters.
Change Hydraulic System
Filter and Fluid
Service Interval: After the first 250 hours
Every 500 hours thereafter
Note: Only use Exmark Hydro Filter–Part No.
116-0164 for summer or winter.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. 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 deck 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.
3. Remove the pump drive belt.
4. Place a catch pan under the hydro.
5. Carefully clean area around the filters. It is
important that no dirt or contamination enter the
hydraulic system.
6. Using a socket, unscrew filters to remove and
allow oil to drain.
7. Before installing the new filters, apply a thin coat
of Exmark Premium Hydro Oil on the surface
of the two rubber seals.
8. Install the new filters and torque to 14 ft-lb (19
N-m).
9. Fill the hydraulic system as stated in Check
Hydraulic Oil Level section.
Exmark Premium Hydro Oil is recommended.
Refer to the chart for an acceptable alternative:
Hydro Oil
Exmark Premium Hydro
Oil (Preferred)
Mobil 1 15W50
*May need more often under severe conditions.
10. Remove the catch pan and properly dispose of
hydro oil and filter according to local codes.
11. Re-install the pump drive belt.
12. Start engine and move throttle control ahead to
full throttle position. Move the speed control
levers to the full speed and run for one minute.
Shut down the machine, allow the hydros to cool
and recheck oil level.
13. Remove the jack stands.
Note: Do Not change the 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.
Changing oil unnecessarily could damage hydraulic
system by introducing contaminants into the system.
Wheel Hub - Slotted Nut
Torque Specification
Service Interval: After the first 100 hours
Torque the slotted nut to 211-260 ft-lb (286-352
N-m).
Note: Do Not use anti-seize on wheel hub.
41
Maintenance
Service Interval
After first 250 hours
*Every 500 hours
thereafter
After first 250 hours
*Every 250 hours
thereafter
Every 500 hours thereafter
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