M
AINTENANCE
P a g e 3 4
January, 2007
620/640 Operator And
624BLD Control Panel Installation Manual
R
EGULAR
M
AINTENANCE
Inspect and service your 620 or 640 Barrier system
anytime you observe or suspect a malfunction of the
barrier. In addition, FAAC recommends you check the
barrier system every 1,000,000 cycles of the operator for
the items listed below to keep your operator in the best
working condition. Failure to observe these
recommendations could compromise the functionality of
the operator.
Item to Check Every
1,000,000 Cycles
What to Do
Entire barrier system
Replace any visually
obvious defective part
Oil level
Refill the oil if necessary
Bypass valves
Tighten or loosen the
valves to maintain the
recommended pressure
settings
Beam motion
Adjust the compression
spring if necessary
Cooling fan
Clean the motor cooling
ducts
Control panel
Test the function of input
power and output function
of all attached relays, cards,
and devices
S
PECIAL
M
AINTENANCE
Inspect and service your 620 or 640 Barrier system
anytime you observe or suspect a malfunction of the
barrier. In addition, if your observations warrant it,
FAAC recommends you make the following listed repairs
and replacements to the barrier system to keep your
operator in the best working condition. Failure to
observe these recommendations could compromise the
functionality of the operator.
Part(s) to Repair or Replace
Number of
Cycles
Drive pistons:
seals and gaskets
1,000,000
Ball joints in the rocker arm
1,000,000
Mechanical stops
1,000,000
Hydraulic unit:
seals and gaskets
2,000,000
Cooling fan
2,000,000
Balancing spring
3,000,000
Limit switches
6,000,000
