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Due to the complexity
of older-style jigsaws (ss compared to today's modern Scroll Saws), our
Shopsmith Jigsaws are susceptible to a number of problems. For that reason,
we are going to be covering General Operaional problems, as well as problems
with the Table System, Blades and Blade Guides in this issue.
GENERAL PROBLEMS
|
Problem
|
Possible
Cause
|
Solution
|
| Drive
shaft heats-up &/or head vibrates |
Bearings worn
Drive hub loose
If driven by
V-belt, belt may be too tight
Drive shaft
pulley loose
Oil level low
|
Replace bearings
(factory job)
Tighten drive
hub
Loosen belt
tension
Seccure pulley
Add oil to
reservoir
|
| Tool
won't start or starts slow |
Machine stiff
from cold
Capacitor on motor defective
Motor defective
|
Slow MARK V
speed setting to "A"
Warm shop to
55-degrees or above
Replace capacitor
(factory job)
Replace or
rebuild (factory job) motor
|
| Power
coupler difficult to install |
Drive hubs
out of alignment
|
Re-align drive
hubs
|
| Mounting
tubes difficult to insert in power mount |
Tubes out of
alignment
|
Re-align tubes
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TABLE PROBLEMS
|
Problem
|
Possible
Cause
|
Solution
|
| Table
hard to tilt |
Foreign material
between trunion & base
Burrs on trunion
or in slots in base
Tilt lock too
tight
|
Remove table,
clean trunion
Remove burrs
with fine file
Loosen tilt lock
|
| Table
not tilted as indicated |
Vernier scale
out of alignment
Table warped
|
Re-align vernier
scales
Replace table
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| Table
wobbles or moves |
Tilt lock not
secure
Trunion bolts
not secure
|
Tighten tilt
lock
Tighten trunion
bolts
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| Table
insert rubs blade |
Insert not
properly oriented
Lower blade
chuck jaws not properly centered
|
Turn table
insert until blade operates freely
Center lower
blade chuck jaws
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Continue...
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