Maintenance
Check the entire LPG fuel delivery system for damage or deterioration. Follow all the inspection checks as specified 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, fittings, or other tank components.
•ONLY use the Exmark approved LPG tank, fittings, and hoses that were designed for your mower.
6.Inspect the filled tank valve and fitting openings for dirt, debris, or damage.
7.Inspect the tank hose connection fitting for damaged or missing
8.Make sure the replacement tank type and size match the tank specification 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 five 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
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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