Lubricate Grease Fittings; Check Spark Plugs; Emptying The Fuel Tank And Cleaning The Fuel Filter - Exmark ARS180KA21 Operator's Manual

Maintenance
Important: Do Not lubricate chains with
penetrating oil or solvents. Use oil or chain
lubricant.
1. Stop engine, wait for all moving parts to stop.
2. Disconnect the wire from the spark plug.
3. Lift the front of the unit and support using jack
stands or equivalent support.
4. Rotate the front wheels and apply oil or chain
lubricant onto the links of the lower chain spans.
5. Check the condition of the chains (see Check
Condition Of Front Drive Chains section).

Lubricate Grease Fittings

Note: See chart for service intervals.
1. Stop engine, wait for all moving parts to stop.
2. Disconnect the wire from the spark plug.
3. Lubricate fittings with NGLI grade #2
multi-purpose gun grease.
Refer to the following chart for fitting locations
and lubrication schedule.
Lubrication Chart
Fitting Initial Pumps
Locations
1. Tine Shaft 1
Bearings
1-2
2. Tine Assembly
Idlers

Check Spark Plugs

Service Interval: Every 100 hours
1. Stop the engine and wait for all moving parts to
stop.
2. Disconnect the wire from the spark plug.
3. Clean around the spark plug.
4. Remove the spark plug from the cylinder head.
Number of Service
Places Interval
2 25 hours
2 25 hours
Note: Replace a cracked, fouled, or dirty spark
plug. Do Not clean the electrodes because grit
entering the cylinder can damage the engine.
5. Set the gap on the plug to 0.030 inch (0.76 mm)
(Figure 10).
1. Side electrode
2. Center electrode
insulator
6. Install the spark plug and the gasket seal.
7. Torque the plug to 17 ft-lb (23 N-m).
8. Connect the wire to the spark plug.
Emptying the Fuel Tank and
Cleaning the Fuel Filter
Service Interval: Every 100 hours
The fuel filter (screen) element is located inside the
fuel tank.
1. Stop the engine and wait for it to cool down.
Note: Drain gasoline for a cold engine only.
2. Disconnect the wire from the spark plug.
3. Close the fuel valve.
4. Disconnect the fuel line by loosening the tube
clamp at the carburetor.
5. Open the fuel valve by turning the lever to the
open position.
6. Drain the gasoline completely from the tank and
fuel line into an approved fuel container.
7. Remove the fuel tank from the machine.
8. Close the fuel valve.
9. Pour a small amount of fuel in the fuel tank, move
the fuel around in the tank, and pour it out into
an approved fuel container.
10. Install the fuel tank and fuel line.
22
Figure 10
3. Air gap—0.030 inch
(0.76 mm)