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555970 MARK V – MOUNTED OVERARM PIN ROUTER
42
Problem Possible Cause Solution
TROUBLESHOOTING GUIDE
Problems with your Overarm Router usually have simple solutions. Under normal use, you should
rarely have to service the Tool. Most problems can be corrected by simple maintenance, alignment,
adjustment or a change in your work habits. This Troubleshooting Guide has been developed to
help you diagnose and remedy any problems which may arise when using your Shopsmith Over-
arm Router.
Poor quality cut Depth-of-cut excessive Reduce depth-of-cut on each pass
Feed rate too fast Feed workpiece into the bit at a slower rate
Router bit dull Sharpen or replace bit
Overarm or motor loose, Tighten Overarm on MARK V Way Tubes, Gibs
causing “wobble” or Router Motor Clamp
Workpiece “burning” Dull Router Bit Sharpen or replace Bit
Motor running too fast Slow down your variable speed Router Motor or
purchase an electronic motor speed control for
single-speed Routers
Guide Pin and Router Router Table – to MARK V Tighten screws – re-align Pin & Bit
Bit work out of alignment
Table mounting screws loose
Table Insert loose Tighten Table Insert - re-align Pin & Bit
Arm Clamps loose Tighten Arm Clamps around MARK V Way Tubes
– re-align Pin & Bit
Motor Clamp and Guard loose Tighten Motor Clamp and Guard - re-align Pin & Bit
Depth Control Handle won’t Loose nut (44) on left side Tighten nut (44)
hold position when tightened of Clutch Shaft
Poor seating surface on Unscrew Depth Control Handle from Clutch Hub and
Control Handle examine seating surface at end of Handle shaft. If
surface is rounded, file a new, FLAT seating surface
on end of Handle shaft.
Dovetail Slide sticks or grabs Brass Gib adjusted too tightly Loosen Gib adjustment setscrews (26)
Depth Control casting Ball Plunger (41) screwed in Unscrew Ball Plunger in quarter-turn increments until
won’t release too far – or defective casting releases from and engages groove in Depth
Control casting shaft, replace Ball Plunger if defective.
Walls of your cuts are Worktable and Router Bit are Adjust MARK V Worktable
“stepped” not perpendicular to one another
Router motor overheats Motor too close to Deflector (20) Loosen motor and raise to allow 1/8" clearance
between bottom of router motor and Deflector
Overworking motor Stop and allow motor to cool
Taking too heavy a cut Reduce depth-of-cut
Feeding stock too rapidly Slow down your feed rate
through the cut
Depth-of cut changes while Bit loose in Router motor Tighten Bit
making a cut
Router motor loose in Motor Tighten Clamp, by tightening nuts (7)
Clamp (1 & 9)