Huvema HU 16 T, User Manual

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changes and t yping errors reserved changes and t yping errors reserved changes and t yping errors reserved
9. T
roUbleshooTing
Pull the plug!
For your own safety, turn switch “off” and always remove plug from power source outlet before
troubleshooting.
Trouble Probable cause remedy
noisy operation 1. incorrect belt tension
2. dry spindle
3. Loose spindle pulley
4. Loose motor pulley
1. adjust tension
2. Lubricate spindle
3. check tightness of retaining nut
on pulley and tighten if necessary.
4. tighten set screws in pulleys
drill bit burns 1. incorrect speed
2. chips not coming out of hole
3. dull drill bit
4. Feeding too slow
5. no cooling
1. change speed
2. retract drill bit frequently to clear
chips
3. resharpen drill bit
4. increase feed speed, allow drill bit
to cut
5. Use cooling equipment
drill bit leads off
hole not round
1. hard grain in wood or lengths of
cutting lips and/or angles not equal
2. Bent drill bit
1. resharpen drill bit correctly
2. replace drill bit
Wood splinters on underside 1. no “scrap wood” under workpiece 1. Use “scrap wood”
Workpiece torn loose from hand 1. not supported or clamped
properly
1. support workpiece or clamp it
drill bit binds in workpiece 1. not supported or clamped
properly
2. Feed pressure too high
3. improper v-belt tension
1. support workpiece against
column or clamp it
2. apply less feed pressure
3. adjust v-belt tension
excessive drill bit runout or wobble 1. Bent drill bit
2. Worn spindle bearings
3. drill bit not properly installed in
chuck
4. chuck not properly installed
1. Use a straight drill bit
2. replace bearings
3. install drill bit properly
4. install chuck properly
Quill returns too slow or too fast 1. tension of spring incorrect 1. adjust spring tension
chuck will not stay attached to
spindle, it falls off when trying to
install it
1. dirty, grease or oil on the tapered
inside surface of chuck or on the
spindles tapered surface
1. Using a household detergent,
clean the tapered surface of the
chuck and spindle to remove all dirt,
grease and oil
10. m
ainTenance
Pull the plug!
For your own safety, turn switch “off” and always remove plug from power source outlet before
maintaining or lubricating your drill press.
Frequently blow out any dust that may accumulate inside the motor. a coat of furniture-type paste wax applied to
the table and column will help to keep the surfaces clean.
Warning!
to avoid shock or fire hazard, if the power cord is worn or cut, or damaged in any way, have it
replaced.