23
0.04 in.
(1 mm)
2
3
1
Figure 17
1. Center electrode insulator
2. Side electrode
3. Air gap (not to scale)
Installing the Spark Plug(s)
1. Install the spark plug(s) and metal washer. Make sure
that the air gap is set correctly.
2. Tighten the spark plug(s) to 12 ft.-lb. (17 N m).
3. Push the wire(s) onto the spark plug(s) (Fig. 16).
4. Push the plastic cover into the access hole in the plate
between the engine and gas tank.
5. Lift the fuel tank and attach the fuel hose. Secure it with
the hose clamp.
6. Rotate the fuel tank into position, hook the straps into
the lower bracket, and secure it with capscrews and
locknuts.
Greasing and Lubrication
Service Interval/Specification
Grease all bearings and bushings every 25 operating hours.
Grease more frequently (daily) when operating conditions
are extremely dusty or sandy.
Grease Type: General-purpose lithium base grease
How to Grease
1. Disengage the power take off (PTO), set the parking
brake, stop the engine, and remove the key.
2. Clean the grease fittings with a rag. Make sure to scrape
any paint off of the front of the fitting(s).
3. Connect a grease gun to the fitting. Pump grease into
the fittings until grease begins to ooze out of the
bearings.
4. Wipe up any excess grease.
Where to Add Grease
1. Lubricate the wheel bearings (Fig. 18).
M–4287
Figure 18
2. Lubricate the spindles, steering shaft, and pivot
(Fig. 19).
M–4281
Figure 19
3. Lubricate the axle bearings (Fig. 20).
Once a year, grease the front wheel hub to prevent the
formation of rust and to simplify future wheel removal.
M–4371
Figure 20
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