Spark Plug; Gearcase; General Cleaning And Tightening - Maruyama BCV5020 Manual Del Usuario

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.

Gearcase

Maintenance Interval
The gearcase should be checked for lubrication after each 30
hours of use.
Gearcase Lubrication
Remove the cutting attachment and the boss adapter. Clean any
dirt and debris from the area between the boss adapter and the
gearcase. Remove the grease plug from the side of the gearcase.
While rotating the attaching shaft, inject lithium-base bearing lube
(P/N 211337) through the plug hole until the gearcase is full.
Reinstall the boss adapter and grease plug.

General Cleaning and Tightening

POTENTIAL HAZARD
・When engine is running, attached tool and other parts are moving.
WHAT CAN HAPPEN
・Contact with moving tool or other moving parts could cause serious personal injury or death.
HOW TO AVOID THE HAZARD
・Always turn off your Brushcutter/ Grass Trimmer before you clean or perform any mainte-
nance on it.

WARNING
― GB-19 ―
0,6 - 0,7 mm
Bearing Lube
(P/N.211337)
Grease Plug
Plug Hole
Gearcase
Attaching Shaft
Boss Adapter