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Every 50 hours of operation
1. Switch off the equipment.
2. Take the spark plug cap with Tool, and pull it up.
3. Remove the spark cap by using a suitable plug wrench.
4. Clean the electrodes by scraping or with a wire brush to remove carbon deposits and wetness.
5. Inspect for cracked porcelain or other wear and damage. Replace the spark with a new one
if necessary.
Worn spark plugs or a spark gap that is too great will result in a power
reduction of the engine.
6. Check the spark plug gap and reset it if necessary. The gap must be between 0.6mm and
0.7mm. To change the gap, bend only side-electrode, using a spark plug tool.
7. Install and tighten the spark plug to 14N.m(1.4kgf.m)
8. Fit the spark plug cap on the spark plug securely.
9. Pull up the spark plug cap lightly to make sure of the installation of the spark plug cap.
Recommended spark plug for PBT4346T:
Carbon Removal of engine internal parts
Every 50 hours of operation
These items must be performed with proper tools. See your authorized Lawnmaster dealer for
service.
Spark Plug service
1. NGK BPMR7Y
2. L8RTC/TORCH
3. RCJ6Y
Summary of Contents for L951151
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