Operator's Manual
30
Engine Oil
Service Interval/Specification
Change the oil:
• After the first 8 operating hours
• After every 50 operating hours
Note: Change the oil more frequently when operating
conditions are extremely dusty or sandy.
Changing Oil and Filter
1. Remove the drain plug and let the oil flow into the
drain pan. When the oil stops, install the drain plug.
2. Remove the oil filter. Apply a light coat of clean oil to
the new filter gasket.
3. Screw the filter on by hand until the gasket contacts
the filter adapter, then tighten 1/2 to 3/4 turn further.
Do not overtighten.
4. Add oil to the crankcase; refer to Checking the Engine
Oil, page 16.
5. Dispose of the oil properly.
Fuel Filter/Water Separator
Service Interval/Specification
Replace the filter element after every 800 operating hours.
Servicing the Filter
1. Clean the area where the filter canister mounts
(Fig. 36).
2. Disconnect the sensor wire and remove the drain plug.
3. Remove the filter canister and clean the mounting
surface.
1
Figure 36
1. Fuel filter with separator
4. Lubricate the gasket on the filter canister with clean
oil.
5. Install the filter canister by hand until the gasket
contacts the mounting surface, then rotate the canister
an additional 1/3 turn.
6. Install the drain plug with a new o-ring. Connect the
sensor wire.
7. Push the primer button until resistance is felt.
8. Start the engine and check for leaks.
Adjusting the Throttle Control
Proper throttle operation is dependent upon proper
adjustment of the throttle control. Ensure the throttle
control is operating properly.
1. Move the remote throttle control lever to the Slow
position (Fig. 37).
1
2
3
3
Figure 37
1. Throttle cable
2. Cable clamp
3. Speed control lever
4. Idle speed screw
2. Loosen the cable clamp screw securing the cable to the
engine (Fig. 37).
3. Move the cable until the speed control lever contacts
the idle speed screw (Fig. 37).
4. Tighten the cable clamp screw and check the engine
RPM setting.
Adjusting the Idle Speed
1. Move the remote throttle control lever to the Slow
position (Fig. 37).
2. Loosen the locknut on the idle speed screw (Fig. 37).
3. Adjust the idle speed screw to obtain 1500 RPM.
4. Tighten the locknut.










