the nut stops, and then back off the nut
approximately 1.3 turn, or just enough so there is no
binding at complete spindle travel.
9. Hold the cover nut and tighten the jam nut against the
cover nut.
Figure 15
Wrench Size
19mm
Figure 17
Screw
Spring Lock
Cover
Figure 16
Figure 18
Spring Cover
Lock Slot
Lock Nut
6. Specification;
Model Item
378VBC
Drilling capacity
Ø
20mm
Tapping capacity
----------
Spindle taper
M.T.#2
Spindle travel
90mm
Spindle speed (rpm) 50 Hz
150
–
2500/min
Number of speeds
Variable Speeds
Motor
1.2kW 230V 1Ph 8A
Net weight (kgs)
N.W-132Kg
Dimensions(m/m)
378VBC
A Max.1980 / Min.1490
B
340
C
C=470 c1=560
D
D=320
×
d1=300
E
Max.720 / Min.230
F
890
G
680
H
165
T
12
7. Control circuit diagram and component part
list;
Part
No. Component/Object Manufacturer PCS
M
Motor
DC230V / 1PH
/ 1.2kW/8A
1
378V/378VA/378VB
VR
SPEED
ADJUSTING
KNOB
DC10V
1
B203
KA
CONTACT RELAY AC 250V 12A 1
JD2
SB1 PUSH BUTTON
ON
AC 250V 12A 1
AP-11
SB2 PUSH BUTTON
OFF
AC 250V 12A 1
AP-11
SB3
PUSH BUTTON/
EMERGENCY
STOP
AC 600V 10A 1
GLEB-22
SQ
MICRO SWITCH
250V 10A
1
VS10N
SQ1 MICRO SWITCH 250V 10A
1
VS10N
U1
ELEKTRONIK
DC 230V
1.2kW
1
378V/378VA/378VB
WARNING!
SHOCK HAZARD!
Disconnect power
before working on
wiring.
9
