TRANSMISSION GEARS LUBRICATION
The transmission gears in the gear case need to be lubricated periodically with gear
grease. Check the gear case grease level approximately every 50 hours of operation by
removing the sealing screw on the side of the case.
If no grease can be seen along the sides of the gear, follow the steps below to fill with
gear case to 3/4 capacity.
Do not completely fill the transmission gear case.
1. Remove the battery.
2. Hold the string trimmer on its side
so that the sealing screw is facing
upwards (Fig. 31).
3. Use the multi-function wrench
provided to loosen and remove the
sealing screw.
4. Use a grease gun (not included) to
inject some grease into the screw
hole. Do not exceed a level of 3/4 full.
5. Tighten the sealing screw after injection.
CLEAN THE UNIT
1. Remove the battery.
2. Clear any grass that may have wrapped itself around the motor shaft or trimmer
head.
3. Use a small brush or a small vacuum cleaner to clean the air vents on the rear
housing.
4. Keep the air vents free of obstructions.
5. Clean the unit using a damp cloth with a mild detergent.
Do not use any strong detergents on the plastic housing or the handle. They can be
damaged by certain aromatic oils, such as pine and lemon, and by solvents such as
kerosene. Moisture can also cause a shock hazard. Wipe off any moisture with a soft
dry cloth.
30
56-VOLT LITHIUM-ION CORDLESS 15" BRUSHLESS STRING TRIMMER — ST1530/ST1530-FC
31
Sealing Screw
Gear Case