Powermatic 29 Lathe User Manual


 
14
Trouble-Shooting for Model 29 Shaper
PROBLEM POSSIBLE CAUSE SOLUTION
Shaper will not start. 1. Fuse blown or circuit breaker tripped. 1. Replace fuse or reset circuit breaker.
2. Cord damaged. 2. Have cord replaced by authorized
service person.
Overload kicks out 1. Extension cord too light or too long. 1. Replace with adequate size cord.
frequently. 2. Stock being fed too quickly. 2. Feed stock more slowly.
3. Cutter is dull or has gum on it. 3. Clean or replace cutter.
Cutterhead does not 1. Extension cord too light or too long. 1. Replace with adequate size cord.
come up to speed. 2. Low current. 2. Contact local electric company.
3. Motor not wired for correct voltage. 3. Refer to motor name plate for correct
wiring.
4. Spindle is locked. 4. Release spindle lock knob.
Shaper makes 1. Dull cutter. 1. Replace cutter.
unsatisfactory cuts. 2. Gum or pitch on cutter. 2. Remove cutter and clean with
turpentine and steel wool.
3. Gum or pitch on table causing erratic feed. 3. Clean table with turpentine and
steel wool.
4. Feeding work in wrong direction. 4. Feed work against cutter rotation.
Stock burns. 1. Dull cutter. 1. Sharpen by honing on flat side.
2. Cutting too deep. 2. On hardwoods take light cuts; attain
full depth of cut with several passes.
3. Forcing work. 3. Feed slowly and steadily.
Machine vibrates 1. Damaged cutterhead. 1. Replace cutterhead.
excessively. 2. Stand or bench on uneven floor. 2. Reposition on flat, level surface.
3. Bad v-belt. 3. Replace belt.
4. V-belt not tensioned correctly. 4. Adjust belt tension by moving motor
bracket.
5. Bent pulley. 5. Replace pulley.
6. Improper motor mounting. 6. Check and adjust motor mounting.
Edge splits off on 1. Characteristic of cut. 1. Make cross-grain cuts first then finish
with grain. Use scrap block to support
at end of cut.
Raised areas on shaped 1. Variation in pressure which holds work 1. Keep work firmly against fence or
edge. against cutter. collars throughout pass. Use hold-
downs.
Work pulled from hand 1. No support. 1. Use mitre gauge with hold-down to
of cut. start cut when shaping freehand; hold
work firmly against fence.
Adjust the tension of spring plate.
Depth of cut not uniform. 1. Misalignment. 1. Adjust outfeed fence.
2. Side pressure not uniform. 2. Use hold-downs; keep pressure
against fence or collars consistent.
Variation in height of cut. 1. Variation in pressure which holds work 1. Keep pressure firm throughout pass.
Use hold-downs. Make pass slowly
and steadily. Whenever possible,
keep cutter under stock.