Use and Care Manual

14
11.0 Troubleshooting the JWS-25CS Shaper
Table 2
Symptom Possible Cause Correction
Shaper will not start Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker
Cord damaged Replace cord
Cord unplugged from power source Plug in power cord
Reversing switch is in the OFF
position
Turn switch to forward or reverse
Overload kicks out
frequently
Extension cord or wiring inadequate
size
Replace cord or wiring with proper gauge
wiring
Feeding stock too fast Reduce stock feed rate
Cutter head is dull Use only sharp cutters
Cutter does not come
up to full speed
Shop wire gauge is too small Replace cord or wiring with proper gauge
wire
Extension cord too light or too long Replace with adequate size cord
Power source is not adequate Contact local electrical utility
Cuts are unsatisfactory Dull cutter Replace cutter
Gum or pitch on cutter Remove cutter and clean with solvent
Cutterhead rotating in the wrong
direction
Check for proper rotation at start up
Feeding work in the wrong direction Feed work against the cutter rotation
Machine vibrates Cutterhead damaged Replace cutterhead
Stand on uneven surface
Stand must rest solidly on level surface,
bolt to floor
Defective V-belt
Replace V-belt
V-belt incorrectly tensioned
Apply proper tension
Bent pulley
Replace pulley
Motor mounted improperly
Motor must be properly mounted with snug
nuts and bolts.
Edge splits off on cross
grain cut
Characteristic of this type of cut Make cross grain cuts first, then finish cut
with the grain. Use scrap block to support
end of cut.
Raised areas on
shaped edge
Variation of pressure holding work
against cutter
Hold work firmly against table and fence.
Use hold-downs.
Work pulled from hand Feeding work in the wrong direction Always feed work against the rotation of
the cutterhead
Depth of cut not
uniform
Fence misalignment Align outfeed fence
Side pressure not uniform Use holddowns; keep constant pressure
against fence
Work burns Cutting too deep on one pass On hardwoods take light cuts; attain full
depth with several passes
Forcing work Feed work slowly and steadily
Cut height not uniform Variation in pressure holding work to
table
Keep pressure firm throughout pass. Use
hold-downs. Make pass slowly and
steadily. Keep work under cutter whenever
possible.