Fisher speed-caser 2 Owner's Manual page 23

TROUBLESHOOTING GUIDE
Mechanical Problems (PWM and On- Off Control)
PROBLEM
POSSIBLE CAUSE
SUGGESTED SOULUTION
1. Drive Belt is loose or damaged
2. Motor pulley not secured to
motor shaft.
1. Adjust belt tension. Replace belt
if damaged.
2. Tighten pulley set screw.
Replace pulley if damaged.
Spinner does not turn
(Spreader motor is running)
3. Spinner pulley is not secured to
the spinner shaft.
4. Spinner shaft bearings are dry or
seized.
1. Drive belt is loose or damaged.
2. Pulley is not secured to the
spinner shaft.
3. Pulley is not secured to the
gearbox shaft.
4. Gearbox is damaged
Conveyor belt not moving
(Spinner is turning)
5. Conveyor rollers are not secured
to the shafts.
6. Conveyor belt is loose or
damaged.
7. Conveyor belt is not aligned
8. Conveyor belt shaft bearings are
seized or othe!:-W1§~ damaqed.
3. Replace cap screw and nut if
missing or damaged. Replace
pulley if damaged.
4. Spinner should turn by hand.
Grease or replace bearinas.
1. Adjust belt tension. Replace belt
if damaged.
2. Tighten pulley set screw.
Replace pulley if damaged
3. Replace damaged or missing
key. Replace pulley if damaged.
4. Replace gearbox if output shaft
does not turn when input shaft
turns.
5. Replace missing cap screws and
nuts. Replace shafts or rollers if
damaged.
6. Adjust belt tension. Replace belt
if damaged.
7. Align belt to ride centered on
rollers.
8. Grease or replace bearings.
Material in hopper does not flow
(Conveyor belt and spinner are
moving)
1 .Feedgate is closed. 1. Open feedgate fully, then adjust
and lock at desired opening size.
2. ObstructionjflJloPDer .
~move obstruction
Spread pattern not optimum
.Deflector out of adjustment
1. Change deflector adjustment to
suit desired pattern. (See
"operating the Spreader" in this
manual.)
November 1998
20
Form No.13722