A.
A. 29-47mm
B.
B. 24-41mm
C.
C. 31-48mm
Min-Max
8mm
1
1/2
”
(38mm)
or
Required dimensions for
collar fitting
Required dimensions of guard
fixing screws for plate fitting
Fig.4
Fig.6
Fig.5
Min. spindle length
from plate: 23mm
Min. spindle length
from collar: 15mm
1
3/4
”
(44mm)
Read the following instructions carefully to fit the Power Chisel Attachment to your existing 4”
(100mm) or 4.5” (115mm) angle grinder. Please be aware that the Power Chisel Attachment may not
fit all angle grinders.
All numbers with a circle eg:
8
refer to the standard parts key on page 1.
1.
If fitted, remove the back and front nuts from your angle grinder
spindle
2
. Remove the auxiliary grinder guard from the angle grinder.
(See fig.3)
2.
Check the following diagrams to see if the Power Chisel extension
1
can be fitted to your angle grinder by using the grinder collar section
(fig.4), or by using an Arbortech Adaptor Plate (MIN017) fig.5 & 6.
BASIC FITTING INSTRUCTIONS
Angle Grinder
Auxiliary Guard
Back Nut
Front Nut
Fig.3
M10 x 1.5
3
. For plate fitting, refer to the instructions provided in the MIN017
adaptor plate package.
4. Fixing the cam.
• There are two cams
5
with two sets of washers
15
supplied in this
kit (M10 & M14) remove the tape that holds the two cams
5
together
as seen in fig.7.
• Remove the washers keeping them together with the same sized cam
ie: M10 cam & M10 washers
• Place enough washers
15
over the grinder spindle
17
followed by
correct sized cam
5
(fig. 8). The cam can be placed either way on the
grinder spindle (17) depending on the height of the spindle, you would
place the
a
side (fig.1) down for grinder with a longer spindle.
• Tighten the cam
5
using a spanner (do not over-tighten) while holding
down the spindle lock on the grinder so that the spindle does not turn.
• Position the cam lobe (fig. 9) so that it is facing the front of the
machine as seen in fig. 12.
Fig.7
Fig.8
Fig.9
Fig.11
Fig.12
Fig.15
Fig.14
Fig.13
Clamping Nut
Felt Pad
Bushes
Spring locator
Clamping Bolt
Cam lobe facing forward
Cam
Chisel Anvil
Chisel
Grinder Spindle
Spacer Washer
Lubrication Port
Rear Bush
Grinder Face
Cam lobe
5. Fixing the Power Chisel Extension arm to the grinder collar
• Remove the top cover
8
, chisel locking button
9
& button spring
12
• Place the extension arm
1
over the grinder collar
18
, taking care
not to crush the felt pad
6
fitted inside of the power chisel extension
arm
1
(fig. 11). Make sure the extension arm is sitting flat on the
grinder face (fig.10).
• Position the Power Chisel extension arm
1
so that it is straight in line
with the grinder motor (fig.12) and tighten the clamping bolt
2
onto
the clamping nut
3
. If when fully tightened there is still movement with
the extension arm, place the emery friction strips
19
(supplied) around
the grinder collar
18
with the abrasive side facing in to the collar then
tighten again.
6. Aligning the cam with the chisel anvil
• Remove the sticky protective coating from the chisels
10
using any
type of spirit, ie mineral turpentine.
• Place one of the chisels through the white bushes
11
so that the
chisel anvil (see fig.2) meets with the cam
5
as shown in fig.13.
NOTE : The chisel anvil should meet in the middle of the cam
5
and
should not touch the top or the bottom of the cam!
• To get the cam
5
at the correct height you may need to remove or
add more washers
15
underneath the cam.
TIP : You can turn the cam upside down to give you more height!
7. Replacing the cover
• Remove the chisel
10
from the extension arm
1
.
• Remove the button spring
12
onto the spring locater
13
. Then place
the chisel locking button
9
over the spring. Make sure the chisel
locking button
9
is facing the correct way (see fig.14).
• Place the cover
8
onto the extension arm
1
, making sure the
locking button
9
goes through the hole on the cover
8
while still in
position.
• Secure the cover
8
with the 4 self tapping screws
16
.
8. Before operating the Power Chisel
NOTE : The chisel anvils must always be lubricated. Do this via the
lubricating port (fig.15)
• When inserting chisels
10
into the extension arm
1
press the chisel
locking button
9
down, then insert the chisel with the clamping
groove of the chisel (see fig. 2) on the opposite side to the locking
button
9
.
✗
✓
