Spark Plug; Drill; Oil Level - Maruyama MAG500 Owner's/Operator's Manual

Spark plug

Maintenance interval
・The spark plug should be removed from the engine and checked after each 25 hours of operation.
・ Replace the spark plug after every 100 hours of operation.
Spark plug maintenance
1. Twist the high tension lead boot on the spark plug back and
forth a couple of times to loosen the boot, then pull the boot
off of the spark plug.
2. Remove the spark plug.
3. Clean the electrodes with a stiff brush.
4. Adjust the electrode air gap to 0,6-0,7 mm.
5. Replace the spark plug if it is oil-fouled, damaged, or if the
electrodes are worn down.
6. Do not over tighten the spark plug when installing.
The tightening torque is 10,7-16,6 N·m.

Drill

Make sure to use the sharp drill.
Replace if the bit or the tip is worn and the drill
may not get into the object smoothly.
• Drill bigger than f40mm has bit
• Drill bigger than f60mm has tip

Oil level

Check oil level of the gear box every 50 hours of use
and change with new oil as necessary. (SAE #80-90).
Recommended change interval
1st: After 50 hours of use
2nd and on: Every 100 hours of use.
• Disconnect the engine from the gear box and check
the clutch condition every 100 hours of use. Wipe off
oil attached to the drum and shoes, and replace parts
with a new one if found to be worn.
－ 12 －
0,6 - 0,7 mm