AutoGate Shield M30 Series, Installation & Operation Manual

Page: 55 / 60

1.800.944.4283 AutoGate Technical Support
Mar 6, 2019
55
SPRING CHANGING INSTRUCTIONS
STEPS:
1. For ease of access, remove the door and
end panel nearest the Drop arm/gate.
2. Disable the photoelectric sensor/beam if
equipped.
3. Remove any upper “T” bolts completely and
loosen the slide assembly screws.
4. Loosen the top adjusting nut of the slide as-
sembly. Thread the nut up to within four (4”)
inches of the top of slide mechanism.
5. You will now raise the Drop arm/gate. ( DO
NOT release the disengage lever!) Initiate
the Drop arm/gate to open, immediately move to
the Drop arm/gate and help raise it open, once
the slide moves up, hold on the bottom rail of
the Drop arm/gate until fully open. The Drop
arm/gate may bounce slightly, there will be a
loud bang but no damage will occur.
6. Turn Off AC/DC Power before Drop arm/gate
“times out” and tries to close. Insert T/M Pin.
7. Using a 1 5/16 wrench, loosen and remove
the chain tension bolt with the damaged spring.
8. Replace damaged spring
9. Replace chain tension bolt. NOTE : Grease
fitting must point down! Tighten bottom nut.
NOTE : Chain MUST remain level and not
twisted once tightened.
10. Remove T/M pin and restore AC/DC power.
11.Lowering the Drop arm/gate. Initiate the
Drop arm/gate to close and at the same time,
assist the Drop arm/gate down by pulling on the
bottom rail of the Drop arm/gate. The slide will
move down and another loud bang as the Drop
arm/gate is lowered.
13. Thread the slide nut back down to the slide
assembly and tighten.
14. Replace the T-Bolts to their original location
and tighten and tighten the slide assembly
screws.
15. Restore AC/DC power and hook photoelec-
tric sensor/beam back up.
16. Cycle Drop arm/gate.
17. Spray all springs with a chain lube to pre-
vent corrosion.
18. Grease Chain Tension bolts, Linkage Arm
& Bearings
RECOMMENDED: Always check and adjust
the balance after any spring change. Refer to
balancing instructions at
www.AutoGate.com or
WARNING: SPRINGS ARE UNDER A TREMENDOUS LOAD. TAKE EXTREME CAUTION WHEN REMOV-
ING AND REPLACING THEM.