11.Wipe up any spilled oil.
12.Connect the wire to the spark plug.
13.Recycle the used oil according to local codes.
Servicing the Spark Plug
Check the spark plug after every 100 operating hours or yearly; replace it after every 250 operating hours or every
2years. Use an NGK BPR5ES or Nippondenso
1.Stop the engine and wait for all moving parts to stop.
2.Disconnect the wire from the spark plug (Fig. 6).
3.Clean around the spark plug.
4.Remove the spark plug from the cylinder head.
Important 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 in. (0.76 mm) (Fig. 25).
1
Figure 25
1. 0.030 in. (0.76 mm)
6.Carefully install the spark plug by hand (to avoid cross threading) until it is hand tight.
7.Tighten the spark plug an additional 1/2 turn if it is new; otherwise, tighten it an additional 1/8 to 1/4 turn.
Important A loose spark plug can become very hot and can damage the engine; overtightening a spark plug may damage the threads in the cylinder head.
8.Connect the wire to the spark plug.
Lubricating the Gear Case
Self-propel Model only
After every 100 operating hours, grease the gear case.
1.Remove the grass bag.
2.Install a grease gun onto the fitting through the belt cover opening (Fig. 26).
2
1
Figure 26
1. Belt cover | 2. Grease fitting |
|
|
3.Gently apply one to two pumps of #2
4.Install the grass bag.
Adjusting the Blade Brake Cable
Whenever you install a new blade brake cable assembly, adjust it.
1.Stop the engine and wait for all moving parts to stop.
2.Disconnect the wire from the spark plug (Fig. 6).
3.Check the adjustment of the cable by moving the control bar toward the handle until you remove the slack in the cable. The gap between the brake lever and the handle must be between 3/16 and 1/4 in. (5 and 6 mm). To adjust the cable, go to step 4.
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