Makita GRU05 Instruction Manual page 15

Cutter blade / chisel blade / shredder
blade
CAUTION:
When handling a cutter blade,
always wear gloves and put the blade cover on
the blade.
CAUTION:
The cutter blade must be well pol-
ished, and free of cracks or breakage. If the cutter
blade hits a stone during operation, stop the tool and
check the cutter blade immediately.
CAUTION:
The outside diameter of the cutter
blade must be as follows. Never use any cutter
blade with larger outside diameter.
— 2-tooth blade : 305 mm (12")
— 3-tooth blade : 305 mm (12")
— 4-tooth blade : 255 mm (10")
— 8-tooth blade : 255 mm (10")
— Chisel blade : 225 mm (8-7/8")
— Shredder blade : 270 mm (10-5/8")
4
5
► 1. Nut 2. Clamp washer 3. Cutter blade 4. Spindle
5. Receive washer 6. Hex wrench
1.
Insert the hex wrench through the hole in the gear
case to lock the spindle. Rotate the spindle until the hex
wrench is fully inserted.
2. Mount the cutter blade onto the receive washer
so that the arrows on the cutter blade and protector are
pointing in the same direction.
1
► 1. Arrow
For the chisel and shredder blade, mount them as
illustrated.
Chisel blade
Shredder blade
1
2
3
3.
then tighten the nut securely by the box wrench.
6
► 1. Box wrench 2. Hex wrench 3. Loosen 4. Tighten
1
NOTE: Tightening torque : 20 - 30 N•m
4.
To remove the cutter blade, follow the installation proce-
dures in reverse.
15 ENGLISH
Put the clamp washer onto the cutter blade and
4
3
1
Remove the hex wrench from the gear case.
2