Troubleshooting Chart - Craftsman 720.25251 Owner's Manual

Router crafter
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TROUBLE
SHOOTING
CHART
TROUBLE
SUGGESTED
REMEDY
Burned
places
on turnings
PROBABLE
CAUSE
la)
Moving router too slow
la)
lb)
Work
rotating too slow
tb)
1c) Bit remaining
in place too long
lc)
ld)
Router is not running
at full speed
ld)
le)
Pitch or gum on bit
le)
tf)
Bit is dull
lf)
Move router faster
Crank work faster
Keep the router or work piece moving
when routering,
Have router
checked
Clean bit with pitch and gum remover
Replace
or' sharpen
bit
Excessive
Splintering
la)
Take smaller
cuts
lb)
Feed slower
Work rotates
freely (when not cutting)
la)
Have router
checked
but is hard to rotate when cutting,
lb)
Sharpen
or clean
bit
Work piece will not stay snug in the
drive spindle
Rounding Up
(1) The cut section
is not straight,
Lengthwise
Turning -- (Straight,
taper, or
contoured)
(1) Finish cut is excessively
rough, or
has spiral like cuts,
(2) Router bit surges into work piece,
(3) Length
of cut was too long,
Beads & Flutes cut lengthwise
(1) Beads or flutes not spaced
equally
around work piece,
Beads & Coves
(!)
Router bit moves lengthwise into
circular
beads or coves.
Spirals
(1) Spirals
not equally
spaced
around
work piece,
la)
Cut is too deep
lb)
Feeding
bit too fast
la)
Router is not running
at full speed
lb)
Bit is dull or gummed
up
ta) Tail stock loose on steel tubes
lb)
Work
piece in drive
spindle
incorrectly
t c) Center
hole keeps enlarging
la)
Center bushing
is not in line with
the head stock
lb)
Tail stock
is not squared
with steet
tubes
ta)
Router
is traversed
too fast,
lb)
Work is in drive spindle
incorrectly
lc)
Router
bit is loose in router.
ld)
Work piece is loose on center screw.
2a) Work piece is being
rotated
clockwise
as the router is moving
from left to right
3a) Adjustable
stops incorrectly
positioned
3b) Adjustable
stops loose.
la}
inaccurate
indexing
tb)
Cable drum was not clamped,,
Ic)
Cable drum slipped.
la)
Ciamps
not tight against
router
carriage_
1) Inaccurate
indexing
la)
Template
was sawed incorrect
tb) Template
was positioned
incorrectly
la)
Layout
drawn
incorrectly
lb)
Taper
setting
is incorrect.
Contoured
Turning,
Finished turning does not look tike
layouL
la)
lb)
1c)
Taper Turning
(1) Cannot
get enough
taper to
match
layout.
Tighten
tail stock, See Fig, 7.
Put work piece in drive spindle
such
that the corners
are between
ribs_
See Fig, &
Readjust
center
screw
and lubricate
center
hole of work piece.
ta)
Set center bushing
on the lowest
setting,
See Fig. 19
lb)
Square
up tail stock
la)
Feed router slower',.
lb)
Reposition
work piece. See Fig. &
Ic)
Tighten
router
bit,
ld)
Tighten
center' screw,
2a) Change
the direction
of rotation,
of the crank,
3a) Reposition
adiustable
stops
3b) Reposition
and tighten
adjustable
stops,
la)
Check indexing of work piece with
numbers
written
down,
lb)
Clamp cable
drum,
lc)
Tighten
clamp.
la)
Tighten
clamps
with router
in
position,
1) Check indexing
of work piece with
number
which was written down,
la)
Remake
or rework
tempiate,
tb)
Reposition
template
I a) Check to see if taper was drawn
for full length
of work piece
lb)
Reset taper setting.
(The
maximum
taper is one inch over
the full length of the work piece,)
16

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