Belt Remove; Belt Install; Troubleshooting - HYTROL SBC 90 Manual De Instalación Y Mantenimiento

• Belt Removal
The model SBC is designed to allow for easy belt replacement. If it should become
necessary to remove and/or replace a belt, the following procedure should be used
(Figures 6A, 6B, 6C, and 6D).
BELT REMOVAL
1. Perform Lockout Tagout procedures.
2. Remove Belt Guide Guard.
3. Remove outer Lexan cover.
4. Loosen outer infeed pulley flange bearing bolts.
5. Loosen outside take up/Jack Bolts.
6. Loosen all (top and bottom) belt guide clamps on outside enough to take belt
out over bead profile.
7. Remove pulley nip point guards.
8. Loosen and slide down lateral and vertical belt nip point guards.
9. Remove inside flange bearing shield on infeed end.
10. Remove inside channel covers.
11. Loosen return belt carrier roller bracket bolts and lower elevation of carrier
rollers.
12. Loosen infeed jack bolt on inside bolts securing flange bearing support plate.
13. Slide infeed inside pulley inwards.
14. Remove belt.

• Troubleshooting

The following chart list possible problems that may occur in the operation of
a powered conveyor.
TROUBLESHOOTING DRIVES
TROUBLE CAUSE
1) Motor is overloaded or is drawing too much current.
Conveyor will not start or
motor quits frequently.
Loud popping or grinding 1) Defective bearing.
noise.
2) Loose set screws in bearing.
1) Conveyor is overloaded.
Motor or reducer
2) Low voltage to motor.
overheating.
3) Low lubricant level in reducer.
1) Belt too tight.
2) Overload condition.
Damage to belt.
3) Belt Guard cutting belt.
4) Defective roller bearing on belt guide assembly.

• Belt Install

1. On inside, slide on belt ensuring passage and clearance of belt bottom above
carrier rollers.
2. On outside ensure belt bead is in nominal position underneath belt guide bearing
along full length along the top and bottom. Also, make sure the bead is not riding
on top of either pulley.
3. Starting on drive end, secure bottom and top belt guide clamps sequentially
toward infeed end using dry torque of 20 ft-lb.
4. Move outer flange bearing to nominal position; snug up jack bolt and torque nuts
on carriage bolts (outer infeed end).
5. Move inner flange bearing to nominal position, snug up jack bolt. Ensure flange
bearing support bracket is level with bed and tighten flange bearing bracket bolts.
6.Adjust belt carrier rollers where slight contact is maintained between roller and
belt.
7. Install inside channel and guard rails.
8. Replace flange bearing shield on inside infeed end.
9. Replace Lexan cover.
10. Replace outer guard.
11. Replace all nip point guards allowing 3/16" clearance to belt outer surface.
12. Test Run Belt.
SOLUTION
1) Check for overloading of conveyor.
2) Check heater or circuit breaker and change if necessary.
1) Replace bearing.
2) Tighten set screw.
1) Check capacity of conveyor and reduce load to recommended level.
2) Have electrician check and correct as necessary.
3) Relubricate per manufacturer's recommendations.
1) Loosen inside and outside take-up.
2) Check for overloading of conveyor.
3) Adjust belt guard to allow 1/8" clearance.
4) Replace belt guide assembly.
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