Sharp SW-100H, Instruction Manual

Page: 60 / 83

BEFORE ANY ADJUSTMENT OR MAINTENANCE OF THE MACHINE, PLEASE MAKE SURE TO
TURN OFF THE MACHINE AND DISCONNECT THE POWER SUPPLY.
GENERAL TROUBLES AND SOLUTIONS
DISCONNECT POWER CORD TO MOTOR BEFORE ATTEMPTING ANY REPAIR OR INSPECTION.
TROUBLE PROBABLE CAUSE SUGGESTED REMEDY
Motor stalls
Excessive belt tension Adjust belt tension so that belt does not slip on drive
pulley while cutting ( 1/2“ Min. deflection of belt under
moderate pressure.)
Excessive head pressure Reduce head pressure. Refer to Operating Instructions
“Adjusting Feed”.
Excessive blade speed Refer to Operating Instructions “Speed Selection”.
Improper blade
selection
Refer to Operating Instructions “Blade Selection”.
Cannot make
square cut
Dull blade Replace blade.
Guide rollers not
adjusted properly
Refer to Adjustments.
Rear vise jaw not
adjusted properly
Set fixed vise jaw 90

to blade.
Excessive head pressure Reduce head pressure. Refer to operating instructions
“Adjusting Feed.”
Increased cutting
time
Dull blade Replace blade
Insufficient head
pressure Increase head pressure. Refer to Operating
Instructions “Adjusting Feed.”
Reduce blade speed Refer to Operating Instructions “Speed Selection.”
Will not cut
Motor running in wrong
direction
Reverse rotation of motor. (Motor rotation C.C.W. pulley
end.)
Blade teeth pointing in
wrong direction Remove blade, turn blade inside out.
Re-install blade. (Teeth must point in direction of
travel. )
Hardened material Use special alloy blades. (Consult your
industrial distributor for recommendation on type of
blade required.)