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Maintenance
Check the entire LPG fuel delivery system for damage
or deterioration. Follow all the inspection checks as
specied in the Inspection section in Safety.
Change LPG Tank
Service Interval: As required
Change the LPG tank outdoors in a well ventilated
area.
1. Stop the machine on level ground, disengage the
PTO, and engage the parking brake.
2. Close the fuel valve on the tank.
3. Purge all vapors from the hose, by running the
engine until it stops, turn key to “OFF” and
remove it from the ignition.
4. Carefully disconnect the LPG fuel hose.
5. Unlatch the cylinder brackets and remove the
tank.
WARNING
Fuel system components are under high
pressure. The use of damaged or improper
components can cause system failure, fuel
leakage, and possible explosion, which may
result in serious injury or death.
• Do Not attempt to repair or modify the
valves, ttings, or other tank components.
• ONLY use the Exmark approved LPG
tank, ttings, and hoses that were
designed for your mower.
6. Inspect the lled tank valve and tting openings
for dirt, debris, or damage.
7. Inspect the tank hose connection tting for
damaged or missing o-rings.
8. Make sure the replacement tank type and size
match the tank specication decal.
9. Align the center hole over the mounting pin that
points straight up on the mower as shown in
Figure 26.
Figure 26
1. Tank collar
3. Center hole
2. Mounting pin
Important: Valves and gauges may not
function properly if the LPG tank is not
installed correctly.
10. Latch the brackets and make sure the tank is
securely fastened to the mower.
11. Carefully connect the fuel hose. Make sure the
hose is not kinked.
12. Slowly open the fuel valve to equalize the pressure
in the tank. If the fuel valve is opened too quickly,
the pressure relief valve is equipped with a back
pressure check valve that will shut off the fuel
supply. If this happens, close the fuel valve
completely and wait ve seconds. Slowly open
the fuel valve.
13. Check for leaks as described in the Inspection
section in Safety.
Change Hydraulic System
Filter and Fluid
Service Interval: Every 500 hours
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.
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