Chapter 18: Adjustments; Section 18.1: Balance Weight Of Door Panel With Nose Caster; Section 18.2: Adjust The Breakout Magnet; Section 18.3: Adjust Preload - Nabco GT1175 Installation Manual

GT1175 Standard Slide Doors Installation Manual; with U30 Control
P/N C-00105
CHAPTER 18: ADJUSTMENTS
The installation of Nose Casters depend upon the weight and size of the door panel. Please call customer service for details.
SECTION 18 .1: Balance Weight of Door Panel with Nose Caster
1. Go to the Bottom Rail. Remove (1) End Cap.
2. Break Open the Slide door. Locate the Nose Caster that was pre-installed within the Strike Stile.
Strike Edge of Rail
DN 0636
3. Loosen the #8-32 Set Screw. Position the Wheel so it is perpendicular to the Bottom Rail. Retighten the #8-32 Set Screw.
4. Fully close the Slide door. Ensure the Nose Caster does not hit or scrape the floor. Reinstall the End Cap.
SECTION 18 .2: Adjust the Breakout Magnet
1. The Magnet is secured to the Limit Arm Bracket that can slide to the Left and Right. Slide the Breakout Magnet to the Left or
to the Right until it is aligned with the Magnetic Reed Switch.
a. The Magnetic Reed Switch is a 3/8 inch diameter black circle located on the Bottom Lip of Header.
Bo om Lip
of Header
SECTION 18 .3: Adjust Preload
Attention: Glass must be installed before adjusting Preload .
1. Breakout the Slide door approximately 5 degrees (just enough to expose the Preload Adjustment Screw located on back
edge of door). Check for door sag. The Slide door should latch without having to be manually lifted.
DN 0726
2. Support the weight of Slide Door.
3. Go to the Preload Block located inside Top Rail. Loosen (2)
30 of 56
Nose Caster
Magnet
Magne c
Reed Switch
Breakout Slide Door
Preload Adjustment Screw
Pivot Block
1/16" (1.59mm)
to 1/8" (3mm)
gap from fl oor
Floor
Pivot bar
Carrier
Door Sag
Preload Adjust
1/4-20x1.75 Locking Bolts.
www.NabcoEntrances.com
3/8 - 16 Nut
Figure 69 Adjust the Nose Caster
Magnet
Figure 70 Breakout Magnet Location
Figure 71 Check Door Sag
Rev 5-17-19
DN 0781