Hafco TM-33170HDX, Instruction Manual

Page: 11 / 59

2. ELECTRICAL CIRCUIT CONTROL
2-1 Electrical Wiring
1. The electrical control box can be found by opening its cover at the back side of
bed. Connect the power source wire with the connecting points (R.S.T)
The wire between the power source and the connecting points must be over sectional
area 8mm
2
(5.5 mm
2
for 480 or 19” series).
2. The main switch between machine and power
source also should be equipped with safety fuse.
Besides, the machine must have a earth wire.
Fig. 2-1
2-2 Electrical Equipment
1. The electrical control box is also equipped with overload circuit breaker and
electric magnetic contactor to protect motor from burning out by overload.
2. The forward/reverse switch is connected with micro switch.
3. The foot brake is connected with micro switch. Stepping the footbrake is quicker to
stop the lathe than turning off the switch. The spindle can only revolute again by
re-operating the spindle operation control lever after using the foot brake.
4.
The spindle will rotate continuously as long as the intermittent switch on the top of
the electrical control box is pressed.
Page 11 Instruction Manual for TM-33170HDX (L646D) 26/11/2014