10/19
CH30T
Made in China to TQB Brands Pty Ltd specifications
P a g e
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11
Visit us at www.tqbbrands.com.au
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
REMEDY
Noisy Operation
•
Incorrect belt tension
•
Dry spindle
•
Loose pulley
•
Loose belt
•
Bad bearing
•
Adjust tension
•
Remove spindle/quill assembly &
lubricate
•
Tighten pulley
•
Adjust belt tension
•
Replace bearing
Excessive drill
wobble
•
Loose chuck
•
Worn spindle shaft or bearing
•
Bad chuck
•
Tighten by pressing chuck down against
table
•
Replace spindle shaft or bearing
•
Replace chuck
Motor won’t start
•
Power supply
•
Motor connection
•
Switch connections
•
Motor windings burnt
•
Bad switch
•
Check power cord
•
Check motor connections
•
Check switch connections
•
Replace motor
•
Replace switch
Drill binds in
workpiece
•
Excessive pressure on feed
handle
•
Loose belt
•
Loose drill
•
Speed too fast
•
Apply less pressure
•
Check belt tension
•
Tighten drill with key
•
Change speed
Drill burns or
smokes
•
Incorrect speed
–
reduce RPM
•
Fillings caught in drill bit
•
Poor drilling
•
Incorrect feed pressure
•
Refer to RPM sheet
•
Clean drill bit
•
Sharpen drill bit or replace drill bit
•
Apply less pressure
Table difficult to
raise
•
Needs lubrication
•
Bent rack
•
Table lock too tight
•
Lubricate with a light oil
•
Straighten rack
•
Loosen clamp
