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TrOuBLEShOOTING
SYMPTOM
Wheel dulls quickly,
1. Feed rate is too aggressive.
grit falls off.
2. Wheel is soft.
3. Wheel diameter too small.
4. Bad wheel dressing.
5. Defective wheel bonding.
Wheel clogs
1. Wheel is too hard.
and workpiece
2. Feed rate is too slow.
shows burn marks.
3. Bad wheel dressing.
4. Coolant required.
PArTS LIST
mod: KN 7060
KEY#
D E S C R I P T I O N
1
SCREW (PH) (BLACK)
2
LEFT WHEEL COVER
3
HEX NUT(ZINC COATING)
4
OUTER WHEEL CLAMP
5
WHITE WHEEL (150 X 20 X 32MM)
6
SCREW & WASHER ASSY. ZINC COATING
7
LEFT WHEEL GUARD ASSY.
8
SPARK DEFELECTOR
9
SCREW & WASHER ASSY. (BLACK)
10
LEFT WORK REST SUPPORT
11
BIG FLAT WASHER (BLACK)
12
TOOTHED LOCK WASHER (BLACK)
13
LOCK NUT
14
LEFT WORK REST
15
FLAT WASHER (BLACK)
16
TOOL REST FIXING KNOB
17
LEFT EYESHIELD MOUNT ROD
18
STANDARD SPRING WASHER (BLACK)
19
HEX BOLT (BLACK)
20
MAGNIFY EYESHIELD ASSY.
21
EYESHIELD LOCK KNOB
22
SCREW (PH)
23
FLAT WASHER
24
END CAP
25
INNER WHEEL CLAMP
26
SCREW & WASHER ASSY. (PH)(ZINC COATING)
27
TOOTHED LOCK WASHER (BLACK)
28
WIRE BUSHING
29
CORD CLIP 6P4
30
SCREW & WASHER ASSY. (PH) (ZINC COATING)
31
BASE
32
WAVE WASHER (BLACK)
33
BEARING
6202RZ
34
STATOR
35
ROTOR
36
HEX FLANGE NUT
37
CORD & PLUG
38
SWITCH PLATE
39
RIGHT EYESHIELD MOUNT ROD
40
EYESHIELD ASSY.
41
RIGHT WHEEL GUARD ASSY.
42
WHEEL (150 X 20 X 32MM)
43
HEX NUT (ZINC COATING)
44
RIGHT WHEEL COVER
45
RIGHT WORK REST
46
RIGHT WORK REST SUPPORT
47
COOLANT TRAY
48
HEX FLANGE NUT (BLACK)
49
CARRIAGE BOLT BLACK
50
SCREW (PH) BLACK
51
SCREW & WASHER ASSY. (PH) (ZINC COATING)
52
CAPACITOR 4uF/450V
53
SWITCH
54
COOLANT TRAY CLIP
55
BASE COVER
56
RUBBER FOOT
PROBABLE CAUSE
SPEC.
M5 x 48
M12 LEFT
120#
M5 x 10
M5 x 10
5
5
M5
6
M6 x17
6
M6 x 30
M5 x 14
M4 x 118
4
M4 x 8
4
M4 x 12
D35
M4
60#
M12
M5
M5 x 51
M4 x 8
M6 x 18
1.Decrease feed rate of workpiece into grinding wheel.
2. Select a grinding wheel with a harder bond of material.
3. Replace wheel.
4. Dress the wheel.
5. DO NOT USE – return wheel to point of purchase.
1. Select a grinding wheel with a softer bond of material.
2. Increase the feed rate of the workpiece into the grinding wheel.
3. Dress the wheel.
4. Introduce coolant.
KEY#
QTY
1
SCREW (PH) (BLACK)
4
2
LEFT WHEEL COVER
1
3
HEX NUT(ZINC COATING)
1
4
OUTER WHEEL CLAMP
2
5
WHITE WHEEL (200 X 25 X 32MM)
1
6
SCREW & WASHER ASSY. (PH) ZINC COATING
6
7
LEFT WHEEL GUARD ASSY.
1
8
SPARK DEFELECTOR
2
9
SCREW & WASHER ASSY. (PH) (BLACK)
4
10
LEFT WORK REST SUPPORT
1
11
BIG FLAT WASHER (BLACK)
2
12
TOOTHED LOCK WASHER (BLACK)
2
13
LOCK NUT
2
14
LEFT WORK REST
1
15
FLAT WASHER (BLACK)
4
16
TOOL REST FIXING KNOB
2
17
LEFT EYESHIELD MOUNT ROD
1
18
STANDARD SPRING WASHER (BLACK)
2
19
HEX BOLT (BLACK)
2
20
MAGNIFY EYESHIELD ASSY.
1
21
EYESHIELD LOCK KNOB
2
22
SCREW (PH)
4
23
FLAT WASHER
4
24
END CAP
2
25
INNER WHEEL CLAMP
2
26
SCREW & WASHER ASSY. (PH) ZINC COATING
3
27
TOOTHED LOCK WASHER (BLACK)
2
28
WIRE BUSHING
1
29
CORD CLIP 6P4
1
30
BASE
4
31
SWITCH PLATE
1
32
WAVE WASHER (BLACK)
1
33
BEARING
2
34
STATOR
1
35
ROTOR
1
36
HEX FLANGE NUT
4
37
CORD & PLUG
1
38
SCREW (PH) BLACK
1
39
RIGHT EYESHIELD MOUNT ROD
1
40
EYESHIELD ASSY.
1
41
RIGHT WHEEL GUARD ASSY.
1
42
WHEEL (200 X 25 X 32MM)
1
43
HEX NUT (ZINC COATING)
1
44
RIGHT WHEEL COVER
1
45
RIGHT WORK REST
1
46
RIGHT WORK REST SUPPORT
1
47
COOLANT TRAY
1
48
HEX FLANGE NUT (BLACK)
4
49
CARRIAGE BOLT BLACK
50
STANDARD SPRING WASHER (ZINC COATING)
2
51
HEX BOLT(ZINC COATING)
4
52
CAPACITOR 10uF/450V
2
53
SWITCH
1
54
COOLANT TRAY CLIP
1
55
BASE COVER
1
56
RUBBER FOOT
1
6
57
SCREW & WASHER ASSY. (PH) (ZINC COATING)
4
CORRECTIVE ACTION
mod: KN 7070
D E S C R I P T I O N
6203RZ
SPEC.
QTY
M5 x 48
4
1
M16 LEFT
1
2
120#
1
M5 x 10
6
1
2
M5 x 10
4
1
5
2
5
2
M5
2
1
6
4
M6 x 17
2
1
_6
2
M6 x 30
2
1
M5 x 14
2
M5 x 155
4
5
4
2
2
M4 x 8
3
4
2
1
1
1
1
D40
1
2
1
1
M5
4
1
M4 x 8
4
1
1
1
60#
1
M16
1
1
1
1
1
M5
4
M5 x 51
2
D8
2
M8 x 20
2
1
1
1
1
4
M5 x 16
4
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