Advertisement
7. maintenance
PrOblem
sanding Grains easily rub
off belt or discs.
deep sanding grooves or
scars in workpiece.
sanding surface clogs
quickly.
Burns on workpiece.
motor will not start.
Motor will not start – fuses
or
circuit breakers tripping
or blowing.
motor overheats.
motor stalls (resulting in
blown fuses or tripped
circuit).
machine slows when
operating.
machine vibrates
excessively.
Workpiece frequently gets
pulled out of operator's
hands.
Workpiece lifts up from the
sanding disc/table.
© Jack sealey limited
caUse
1. Sanding belt/disc has been stored in an
incorrect environment.
2. Sanding belt/disc has been damaged or folded.
1. Sanding belt/disc grit is too coarse for the desired
finish.
2. Workpiece sanded across the grain.
3. too much sanding force on the workpiece.
4. Workpiece held still against the belt-disc for too
long.
1. Too much pressure against belt/disc.
2. sanding softwood.
1. Using a sanding grit that is too fine.
2. using too much pressure.
3. Work held still for too long.
1. low voltage.
2. open circuit in motor or loose connections.
3. Blown fuse or breaker.
1. short circuit in line, cord or plug.
2. short circuit in motor or loose connections.
3. incorrect fuses or circuit breakers in power line.
1. motor overloaded.
2. Extension cord too long and of insufficient gauge
(weight).
1. short circuit in motor or loose connections.
2. low voltage.
3. incorrect fuses or circuit breakers in power line.
4. excessive sanding pressure overloads motor.
1. feed rate too great.
2. undersized circuit or use of undersized extension
cord.
1. incorrect motor mounting.
2. incorrect sanding-belt tension.
3. Weak or broken tension spring.
4. idler roller is too loose.
5. Broken/defective sanding accessories.
1. not supporting the workpiece against the stop.
2. Attempting to sand (unaided) a workpiece that is
too small.
1. sanding on the "up" side of the wheel.
Original Language Version
sOlUtiOn
1. ensure sanding accessories are stored away from
extremely hot or dry temperatures.
2. Store sanding accessories flat – not bent or folded.
1. Use a finer-grit sanding accessory.
2. sand with the grain of the wood.
3. reduce pressure on workpiece while sanding.
4. Keep workpiece moving while sanding on the
sanding accessory.
1. reduce pressure on workpiece while sanding.
2. use different stock, different sanding accessories,
or accept that this will happen and plan on cleaning or
replacing belts/discs frequently.
1. use a coarser-grit sanding accessory.
2. reduce pressure on workpiece while sanding.
3. do not keep workpiece in one place for too long.
1. check power source for proper voltage.
2. inspect all lead connections on motor for loose or
open connections. (contact service agent)
2. short circuit. (contact service agent)
4. improper match between tool and circuit, fuse or
breaker.
1. inspect cord or plug for damaged insulation and
shorted wires.
2. inspect all connections on motor for loose or shorted
terminals and/or worn insulation.
3. install correct fuses or circuit breakers or switch tool
to an appropriately sized circuit.
1. Reduce load on motor (pressure on object being
sanded).
2. utilize an extension cord of appropriate gauge and
length or plug tool directly into outlet.
1. inspect connections on motor for loose or shorted
terminals or worn insulations. (contact service agent)
2. correct low voltage conditions (for example:
improper extension cord length and/or gauge).
3. install correct fuses or circuit breakers or plug tool
into an appropriate circuit, matched to an
appropriate fuse or breaker.
4. reduce the load on the motor.
1. reduce the rate at which the workpiece is fed onto
belt or disc.
2. ensure circuit wires or extension cords are proper
gauge, or eliminate use of extension cords.
1. Tighten/strengthen motor mountings
2. Adjust tension adjustment knob. Follow
belt-tensioning/tracking instructions in this manual.
3. Have tension spring replaced by service technician.
4. Have service technician adjust idler roller.
5. Replace sanding belt/disc.
1. use the platen (backstop) or mitre gauge to support
the workpiece.
2. Use another hand tool or jig to grasp or hold the
workpiece.
1. sand on left hand side of sanding disc (as operator
faces the disc).
sM914 | Issue:2 (H,F) 04/01/18
Advertisement
