Publication:
AMEN00395 2020-07-06
13
PUB. NO. FLSFLDG SEPTEMBER 2015
13
CHAPTER 4 - TROUBLESHOOTING / MAINTENANCE
FLASHFOLD
™
MODEL FLSFLD
ITEM
DESCRIPTION
Brake
Check the following concerning the brake:
a) Brake does not release, check connection in junction box.
b) Curtain travels past limit switches, check brake air gap.
Curtain
The curtain provides a barrier against sparks, harmful light emissions and physical contact with the
machine by the operator. The curtain is manufactured of hypalon fire retardant material. Barrier
bars are sewn in to add rigidity. Full width vision or weld screen is available. check the following:
a) Curtain runs in the opposite direction of the button pushed. Check the motor phasing, switch two of
the three lead wires with the power removed.
b) Curtain remains open and does not close, check for activation device failure or activity.
c) Tracks off to the side, check for plumb header guides and a level curtain container.
d) Make sure unit is secured to the floor, wall or structure.
Curtain container
The curtain container is the base of the unit and stores the curtain in the open position.
Curtain Guides (optional)
The curtain guides, manufactured from an aluminum angle and help guide the curtain in the event
of wind or negative pressure.
Header guides
The header guides made of extruded aluminum and are bolted to the curtain container to make up
the units frame.
Interrupt Switch (Optional)
The interrupt switch keeps the machine from functioning unless the curtain is in position. The
switch mounts in the bottom of the curtain guide and is activated by the curtain when it comes into
the closed position.
Limit Switch
Check the following concerning the limit switches:
a) Curtain does not stop at limit switch, check for loose connections and is limit switch hold down bolt
tight.
b) Check for continuity when the limit is activated.
Motor
The motor assembly includes the motor, gearbox, and brake. The motor assembly lowers the
curtain before the machine cycle begins and raises the curtain back up when the machine cycle is
complete. Check the following concerning the motor:
Motor will not run, check for loose connections at motor junction box.
Photoeyes
Check the following concerning the optional photoeyes:
a) Make sure nothing is blocking the path of the photoeyes.
b) Check photoeye alignment
Standard Operating Conditions Operate the curtain under normal conditions. Observe the curtain opening to make sure that it
opens fully and does not open so far that it comes out of the curtain guides. Observe the closing
action to make sure that the curtain operates smoothly, and fully closes without excessive curtain
ripple near the bottom.
RITE-HITE MACHINE GUARDING PLANNED MAINTENANCE
Model FLSFLD - FLASHFOLD™
CUSTOMER:
RHC#
SERIAL#
DATE:
Periodic Cycle Check:
Planned Maintenance
Activation Devices
Chain
Curtain
Electrical Connections
Frame and Hardware
Interrupt Switch (optional)
Labels and Instructions
Limit Switch
Belting
Curtain Basket
Reversing Edge (optional)
Recommended P.M. Intervals
(Time Shown In Months)
1
•
•
Inspect and Perform the Following (See Manual)
Check for proper operation.
The break-in period is 30 days or 50,000 cycles.
Tension must be maintained.
Operate to verify proper operation. Clean with warm
non abrasive soapy water. Check for damage or
wear and repair any tears.
Perform visual inspection and tighten.
Perform visual inspection and tighten. Blow dust
and dirt from the frame assembly.
Verify switch shuts off the proper machine
components when activated.
Replace if missing.
Make sure barrier curtain stops at the proper open
and closed positions. Inspect chain and sprockets
for wear, and lubricate.
Check for wear, proper operation and tension.
Vacuum curtain basket as needed.
Check reversing edge function.
4
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8
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12
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18
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24
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30
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36
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