Backgauge Does Not Move (61Ii) - Horizon Fitness APC-61 Manual

2-14 Backgauge Does Not Move
- Check that the drive mechanism of the
machine is not damaged.
Refer to 3-14 for details.
Check the items below.
1 The timing belt is not cut.
2 The idle shaft is fixed tightly.
3 The locking screw of the timing pulley is
not loose.
4 The key is attached on the spindle.
5 The locking screws of the servo motor are
not loose.
- Check that grease is applied.
504007
2_14_1A
Gauge Rail
Refer to the drawing above and check the
items below.
1 Oil is applied to the spindle.
2 Grease is applied to the gauge rail.
2-23
- Check that the electrical wiring is correct.
200V
Block
0V
X24
WHT
1 1
06
BLK
2 2
WHT WHT
07
BLK BLK
Spindle
504007
504007
2_14_1C
2_14_1B
- Check at the display of A24 amplifier for
servo motor.
When the display does not show anything, go
to step 1 below. When the display shows an
alarm of A , go to step 2 below. When the
**
display shows CL, go to step 3 below.
1. Refer to the electrical wiring above to check
the power circuit from transformer T20 to A24.
2. Follow the [Solution] on the displayed error
code A at section 2-15, No.1351.
**
3. Remove the motor cover at the back of the
machine, and turn the timing pulley by hand.
When you can turn it by hand, replace QPM-195
if the wiring and connection between A24 and
CON9 on QPM-195 are normal. When you cannot
turn it by hand, the command from the P.C.B is
defective. Replace control P.C.B. QPM-195.
52
T20
Q21
RED
'
L L
2A
24V
Q22
RED
'
L L 54
2A 2A
A
0V
Q23
BLK
L L ' 55
5A
58
To SD1
57 56
(on the page 7-16)
WHT
Q24
L ' L
BLK
N N
' 5A
RED
L
U
WHT
A24 M20
N
V
BLK
200V 500VA 3
W
GRN
Servo Motor
Amplifier for
Servo Motor
Refer to 7-14 for details