Trouble Shooting - Bolton Tools ZX45A Operating Manual

SINGLE PHASE CIRCUIT

TROUBLE SHOOTING

1. The machine doesn't run when the power switch is turned ON
(a)The knob is in the STOP position
(b)A fuse has burned out---Check in the switch box, and replace it
necessary.
(c)If there is a surge in the current, the circuit breaker may have
opened---Press the circuit breaker back, if it is in the open position.
(d)The gear may not be engaged---Adjust the speed lever to be sure it
is engaged.
．The motor overheats, or there is insufficient power
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(a)The machine is overloaded---Reduce the load of feed.
(b)The voltage supply is too low---provide with a reliable power
supply.
(c)The switch may have a burned or broken contact point---Replace the
switch.
(d)The contactor relay may be broken---Replace it.
(e)There may be a poor electrical connection. Have a qualified
electrician check the wiring and power supply.
(f)The motor is poor---replace with new one.
(g)The drill bit or cutting blade may be worn---Sharpen or replace
the bits as needed.
3.The spindle bearing is very hot.
(a)There is insufficient lubrication---Turn off the power,and check
the bearing for lubrication. If necessary, apply bearing grease.
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