Nabco GT1175 Quick Setup Manual page 19

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Rev 8-10-16
6. Check for door sag.
7. Go to the Preload Block located inside Top Rail.
8. Loosen (2) Locking Bolts.
9. Go to the back edge of Pivot Stile. Reduce Door sag by tightening the 5/16 inch Adjustment Set Screw with an 5/32 inch Allen
Wrench.
a. The Door should latch without having to be manually lifted.
b. Do Not allow the Adjusting Set Screw to protrude more than 5/32 inch past the end of stile.
c. If deemed necessary: an optional 1/2 inch Set Screw has been provided by NABCO.
DN 0727
6 .11 Correct Preload Misalignment
If Preload results in a misalignment of the Strike end of the door and Carrier; continue with the following instructions.
1. Loosen the Allen head fasteners in the pivot bar and slide the pivot bar in the hanger until the door and hanger are
properly aligned.
2. Verify that the panic catch in the top rail of the door and the hanger are still aligned.
3. If necessary loosen the set screws for the panic catch in the hanger and reposition to align with the panic catch in the top rail.
Carrier and Door
Misaligned a er
adjus ng preload
Misaligned
6 .12 Adjust the Ball Plunger
1. Breakout the Slide door.
2. Remove (2) 1/4-20 x 1-1/4 inch Socket screws that are used to secure the Allen Block to the Top Rail.
1/4-20 x 1-1/4"
Socket Screw
3. Loosen the Set screw that is located in front of the Panic Block.
a. Adjust the Ball plunger down, so Panic Catch does not engage if Panic Hardware is used.
4. Raise or lower the Ball plunger located underneath the Panic Block. Tighten the Set screw.
a. The Ball plunger must be adjusted for proper breakout resistance to meet ANSI A156.10 code or local code.
5. Reinstall the Panic Block and tighten the two Allen screws that were saved for reinstallation. Repeat if necessary.
5/16" Adjustment Set Screw
(If needed: use op onal 1/2" Set
Screw provided by NABCO)
Panic Catch
Loosen the Set Screw
GT1175 (H105 Medium) Hurricane Quick Set-Up and Parts Guide
Preload Block
Locking Bolts Limit Arm
Pivot
Carrier
5/16-24 x 1/2"
Set Screw
Figure 36 Correct Preload Misalignment
P/N C-00106
Figure 35 Adjust the Preload
1/4-20 x 1-3/4"
Hex Screw
DN 0741
Ball Plunger
Figure 37 Panic Adjustment
DN 0122
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