Nabco GT1175 U-19, Installation Manual

2 of 5

GT1175 U-19 Electric Lock Retrofit Kit Quick Setup Parts Guide 

www.NabcoEntrances.com

P/N C-00299 

Rev 2-15-18

SECTION 1: Retrofit the Belt Clip

Note: Electric Locks can not prevent Breakout. If preventing Breakout is deemed necessary, panic hardware must be fitted to 

the Door Panels.

1. 

Remove (2) 1/4-20 x 1 inch Hex Head screws used to secure the Belt Clip to the Belt Bracket. Save the spacers, screws and 

lock washers for reinstallation.

a.  Ensure the Belt Clip stays intact with the Belt, so the Belt does not lose Belt Tension.  

2. Remove (2) 1/4-20 x 3/4 inch Hex Head screws used to secure the Belt Bracket to the Carrier. Save screws for reinstallation. 

3. Obtain the Belt Clip Assembly provided within the Electric Lock Retrofit Kit.

4. Review the Belt Clip Assembly to ensure the secured position will match 

Figure 1 and Figure 2.  

a.  If necessary rotate the Latch so the Flat Side of Latch faces the Terminal Strip located on the Lock Assembly.

DN 0743

Flat Side of Latch

Terminal Strip

Terminal Strip

Flat Side of Latch

Figure 1 

Proper Latch Orientation

5. 

Secure the Belt Bracket to the Belt Clip with (2) 1/4-20 x 1 inch Hex Head screws, lock washers, and spacers that were saved 

for reinstallation. Do not overtighten the screws.

a. 

Ensure the Belt Clip is in the correct position (Top vs Bottom) as shown in 

Figure 2. 

6. Secure the Belt Bracket to the Carrier with (2) 1/4-20 x 3/4 inch Hex Head screws that were saved for reinstallation. Do not 

overtighten the screws.

Belt Clip Bo om

Terminal Strip

Belt Bracket Relay

Belt Clip Top

Terminal Strip

Belt Bracket

Relay

DN 0534

SINGLE SLIDE DOOR; RHFS, LHFO

BIPART SLIDE DOOR

Motor/Operator

U-19 & Earlier

Motor/Operator

U-19 & Earlier

Motor/Operator

U-19 & Earlier

Belt Clip Top

Belt Clip Top

11 11/16

11 11/16

8 5/16

SINGLE SLIDE DOOR; LHFS, RHFO

Figure 2 

Belt Clip Location in Full Close Position