Alvarado MSGX Manuale di istruzioni per l'installazione e la manutenzione - Pagina 15

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MSG Installation and Maintenance Instructions

Hydraulic Closing Arm Adjustment Instructions

1. Unscrew the two (2) screws on the top of the plastic cover and remove the cover to gain access to the hydraulic
closing arm.
2. The following adjustments can be made:
•
Power Adjustment Nut - Adjusts the closing power of the mechanism using an 11/16" wrench or socket.
To increase power, turn the power adjustment nut clockwise for a maximum of 15 turns. The closing arm is
default setting is 7 turns. The adjustment nut is located at the end tip of the closing arm. [Figure 11a]
•
Latch Adjustment Valve - Adjust the speed at which the door closes within the last 10 degrees of motion using
a 1/8" hex key. Turn clockwise for slower speeds, and turn counterclockwise for faster speeds. The valve is
located on the side of the closing arm and is labeled with the letter "L". [Figure 11b]
•
Sweep Adjustment Valve - Adjust the speed at which the door closes in the first 80 degrees of
motion using a 1/8" hex key. Turn clockwise for slower speeds, and counterclockwise for faster speeds.
The valve is located on the side of the closing arm and is labeled with "S/D". [Figure 11b]
•
Backcheck Position Adjustment Valve - Adjusts the door angle where backcheck cushioning starts with
a 1/8" hex key and is shipped with the valve normally closed. Turn counterclockwise to increase the angle.
The valve is located on the side of the closing arm and is labeled with the letter "P". [Figure 11b]
•
Backcheck Adjustment Valve - Adjusts the hydraulic resistance to door opening with
a 1/8" hex key. Turn clockwise to increase the resistance and counterclockwise to decrease the
resistance. Never close this valve completely - it is not to provide a positive stop. The valve is located on
the side of the closing arm and is labeled with the letter "B". [Figure 11b]
3. Replace and secure the hydraulic closing arm cover. Test the gate door for the desired adjustments.
Figure 11a
PUD1201R5-0
For Assistance: [email protected] +1 (909) 591-8431
Figure 11b
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