Makita SG1251 Instruction Manual page 7

Overload protector
When the tool would be employed over the admissible
load, it will stop automatically to protect the motor and
wheel. When the load will come to the admissible level
again, the tool can be started automatically.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before carrying out any work on the tool.
Never install three or more diamond wheels on the
•
tool. Otherwise the tool may become overloaded
and be damaged.
Removing the diamond wheels
015039
Loosen and remove the bolt with the hex wrench.
2
015040
Open the blade case while holding the tool base.
NOTE:
The tool base will open at a stroke by the spring force.
•
1
015053
Rotate the diamond wheels while pressing the shaft lock
until it engages.
Remove the lock nut by rotating it counterclockwise with
the lock nut wrench.
Remove the diamond wheels and space rings.
1. Bolt
1
1. Blade case
2. Tool base
1
1. Shaft lock
2. Lock nut
2
3. Lock nut wrench
3
Adjusting the groove width (the distance
between the two diamond wheels)
Adjust the grooving width by changing the number of
the space rings as shown in the table.
Groove width: 30 mm
Groove width: 24 mm
Groove width: 18 mm
Groove width: 12 mm
Groove width: 6 mm
1. Lock nut
2. Diamond wheel
3. Space ring 6 (6 mm thick)
4. Space ring 3 (3 mm thick)
5. Diamond wheel
004503
Installing the diamond wheels
1
015054
7
Groove width: 27 mm
1
2
3
4
5
Groove width: 21 mm
Groove width: 15 mm
Groove width: 9 mm
1. Shaft lock
2. Lock nut
2
3. Lock nut wrench
3