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Chapter 19: 8816 Closer Adjustments
CAUTION: Confirm closer spring size prior to making any closer speed adjustments. Do not back valves out beyond closer casting.
CAUTION: Maximum door opening angle: 110. Door should close in 3 to 6 seconds from 90.
NOTICE: Closer supplied with a size 2 spring setting.
1 19.1.1 Spring Force Adjustment
Use the spring force adjustment screw (6) to increase or decrease the closing force.
2 19.1.2 Sweep Speed (1) Adjustment
Controls the door closing speed from approximately 70 to 10.
- Increase Speed: Turn sweep valve Counter-Clockwise (CCW).
- Decrease Speed: Turn sweep valve Clockwise (CW).
3 19.1.3 Latch Speed (2) Adjustment
Controls the final latching speed from approximately 10 to 0.
- Increase Speed: Turn valve Counter-Clockwise (CCW).
- Decrease Speed: Turn valve Clockwise (CW).
4 19.1.4 Backcheck (3) Adjustment
Provides resistance to opening in the door area from approximately 110 to 70.
- Increase Resistance: Turn valve Clockwise (CW).
- Decrease Resistance: Turn valve Counter-Clockwise (CCW).
5 19.1.5 Backcheck Positioning (5) Adjustment
Adjusting backcheck positioning will advance the engagement point approximately 15. The unit is shipped from the factory fully "ON".
Important: Backcheck positioning MUST be turned ON for arm and track applications.
- Turn OFF: Turn valve Counter-Clockwise (CCW).
- Turn ON: Rotate valve Clockwise (CW).
6 19.1.6 Delayed Action (4) Adjustment
Adjusts the hold-open delay time for the door area from approximately 110 to 75.
- Increase Delay: Turn valve Counter-Clockwise (CCW).
- Decrease Delay: Turn valve Clockwise (CW).