19
Dual SGHN4 Series
REVISION # 0000
DATE: 05/29/2018
MAINTENANCE INSTRUCTIONS
The brake is a self-adjusting brake. It is maintenance free. The brake assembly requires no
additional adjustments for its lifetime.
If an entrapment protection device is used, i.e. sensing edge or photoelectric sensors, please
consult the manufacturer for maintenance instruction.
Disconnect power supply to the operator before servicing.
Check the following items at the intervals listed:
CHECK LIST
DESCRIPTION
EVERY
3 MONTHS
EVERY
6 MONTHS
EVERY
12 MONTHS
Drive Chain
Check for excessive slack.
Check & adjust as required
Lubricate.
●
Sprockets
Check set screw tightness
●
Fasteners
Check & tighten as required
●
Bearings & Shafts
Check for wear & lubricate
●
Do not lubricate motor. Lubrication could cause damage.
Inspect and service whenever a malfunction either door or operator is observed or
suspected.
Before servicing, always disconnect power supply to the operator.
Replace fuses only with those of the same type and rating.
All replacement parts must be compatible with those originally provided. Consult
manufacturer for replacement parts.
Do not place hands or tools in or near the operator when the power is
connected or when testing control or sensing devices. Always disconnect
power before servicing or adjusting the operator.
U.S. GEAR
Covered under US Pat. #6,055,885, #6,900,602 and additional patents pending.
WARNING
WARNING
