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Servicing the Spark Plug
Service Interval:
Every 100 hours
Make sure the air gap between the center and side
electrodes is correct before installing the spark plug.
Use a spark plug wrench for removing and installing
the spark plug(s) and a gapping tool/feeler gauge to
check and adjust the air gap. Install a new spark plug(s)
if necessary.
Type of Spark Plug:
NGK
®
BPR4ES or equivalent
Air Gap:
0.030 inch (0.75 mm)
Removing the Spark Plug
1. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
2. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
3. Locate and remove the spark plugs (Figure 50).
g015124
Figure 50
Checking the Spark Plug
Important:
Never clean the spark plug(s). Always
replace the spark plug(s) when it has: a black
coating, worn electrodes, an oily film, or cracks.
If you see light brown or gray on the insulator, the
engine is operating properly. A black coating on the
insulator usually means the air cleaner is dirty.
Set the gap to 0.030 inches (0.76 mm).
G008794
1
2
Figure 51
Installing the Spark Plug
Tighten the spark plug(s) to 16 ft.-lb (22 N-m).
Figure 52
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Содержание Z Master G3
Страница 11: ...119 6662 1 Choke 4 Continuous variable setting 2 Power Take off PTO 5 Slow 3 Fast 11...
Страница 66: ...Schematics Wire Diagram Rev A 66...
Страница 67: ...Notes 67...