RJ12
9 RJ12_v1_EN_220223
Product Description
3 Product Description
3 .1 Product overview
The RJ12 Chain Grinder is a machine that sharpens chains . The machine can sharpen chains (3/8”, 3/8” Low Profile,
325” and 1/4” pitch) for power saws and forestry machines .
3 .2 Front view
A
E
B
G
C
F
D
L
H
I
J
K
M
Pos
Part
Description
A
Grinding head
Holds the grinding wheel in its correct position .
B
Grinding depth knob
Sets the grinding depth for the gullets .
C
Head-tilt angle scale
Shows the head-tilt angle on a scale from 50-90° .
Default: 60° .
D
Chain pusher adjustment knob
Sets the grinding length .
E
Pitch adjustment wing .
Adjusts the pitch .
F
Power supply cable
Supplies electricity to the machine .
G
Control panel
The controls starts and stops the different functions of the machine .
See section 3 .6, “Controls” for further information .
H
Chain pusher
Advances the chain through the vise
I
Chain vise
Positions the chain as it moves in the machine .
J
Top-plate angle knob
Sets the top-plate angle, 0-35° . Default 30° .
K
Left-right alignment screw
Sets the right and left cutters to equal length .
L
Grinding wheel
The wheel that sharpens the chain .
M
Grinding wheel centering knob
Centers the grinding wheel above the chain .
