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Forums13
Topics6,504
Posts36,821
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Most Online117 Jan 16th, 2020
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#32909 - 04/08/22 10:28 AM
Re: TK LD-03 interface
[Re: ashley]
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Joined: Aug 2016
Posts: 754
Jluff
old hand
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old hand
Joined: Aug 2016
Posts: 754
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Your problem will be the zone restrictor. I just put in a MOVFR and removed a TK HD-LM operator. It had an ESI controller. Didn’t change the header. But did change all the interlock assembly’s and clutch . Had to use a claddagh electric door restrictor. In hind site I Would have liked to use a mechanical restrictor.
Last edited by Jluff; 04/08/22 10:30 AM.
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#32916 - 04/09/22 06:15 PM
Re: TK LD-03 interface
[Re: ashley]
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Joined: Aug 2016
Posts: 754
Jluff
old hand
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old hand
Joined: Aug 2016
Posts: 754
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If you are mod a tke door operator n Tac 20 that you are changing to GAL door operator you are not keeping your Tac 20 clutch and restrictor. you need a GAL clutch. And the GAL door restrictor will only work on a GAL header . So now you need a separate door restrictor.
Last edited by Jluff; 04/09/22 06:26 PM.
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#32918 - 04/10/22 03:02 AM
Re: TK LD-03 interface
[Re: ashley]
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Joined: Aug 2017
Posts: 435
EElevator
addict
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addict
Joined: Aug 2017
Posts: 435
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Changing the operator doesn't mean the clutch is being changed by default. I've done two mods on tac-20s and installed a movfr operator and we retained the original TKE clutch, and restrictor. Use a connecting link that bolts to the door, sees part gdo-235, Instead of the gal clutch. Mount the operator a little more towards the return side on the cartop and bolt the door link towards the return side of the door.
Honestly tks clutches are not bad. The nice thing with a tk clutch is it doesn't rely on the connecting links angle to retract the vane on the clutch, meaning the drive arm doesn't have to actually connect to the clutch itself . If your going to go through all the trouble to replace the clutch I'd be thinking of new cab/hatch doors made for GAL clutch/pickup rollers. There's really no gain in going to a gal clutch if keeping the tk doors, they're made so differently, then you have to Jerry rig the pickup rollers onto the tk hatch doors, and possibly create issues with the depth of clutch and pickup rollers not working out. I'd just buy a new tk clutch and replace it so it's new as well, as a part of the mod.
I have one job on my route where my company (long before i came here) did exactly what your saying, they put a gal clutch and pickup rollers on tac 20 doors. It was a hack job. It's a pita to open a door, the bar from pickup rollers to hook bill is too far away from hole in the door, you need a three section extra long drop key.
Having seen it done both ways, my vote is on a gal operator and tk clutch. It's just a much cleaner and in my opinion better option.
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#33322 - 07/01/22 02:11 AM
Re: TK LD-03 interface
[Re: ashley]
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Joined: Jun 2022
Posts: 82
JJR
journeyman
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journeyman
Joined: Jun 2022
Posts: 82
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I would recommend either the GAL MONXT or the Wittur SGV (AMD and LD-16 similar), especially if the building is prone to vandalism or heavy use. Both of these door operators are European style, which typically have more safety features, such as cabin door interlock (no gate switch, which could get purposefully or inadvertently activated at the wrong time, and no "less reliable" door restrictor, which could become a snag hazard, in the case of the angle-iron variety, or purposefully jammed in the unlocked position by a tech, in the case of the GAL/MAC?Miami Elevator variety, or even worse jam in the locked position with dead battery, in the case of Adams HatchLatch). With interlock, door cannot be moved ajar. Also, no need for ugly sheet metal between landings on glass jobs. The clutch engages independently from the door movement, reducing a snag hazard due to misaligned doors. The doors can't be split apart at floor level causing door lock faults due to the clutch design. In your case, I would recommend the Wittur product because it comes with a kit allowing you to retain your existing Miami Elevator hall door equipment; however you will have to replace the tracks on the cabin side and also the skate. Also, parts are available from multiple sources (KONE, TKE/Vertical Express, and Wittur) Link: https://verticalxpress.com/media/download_files/component_manuals/ld_16_udo_mod.pdfThe second choice would be the GAL MONXT. Unlike the Wittur product, you will need to rehang the doors with GAL hardware and also replace the door skate and the hall locks. This might be acceptable for just a few stops. Flyer: https://www.gal.com/wp-content/uploads/2020/06/GAL_MONXT.pdfInstallation: https://www.gal.com/wp-content/uploads/2021/01/MONXT-Operator-Installation-Manual-DELTA.pdfWhatever you do, I wouldn't recommend harmonic op. They are just too outdated and don't offer all the safety features of Euro style operators. GAL is the only company that still makes em. They need to stop, lol. Especially in today's day and age. See first paragraph to learn more. Another downside to harmonic ops is that same make and models can become self locking (operator can move the door but door can't move operator). This can cause problems during entrapment where the only way to get the door open is to climb on top and spin the infamous wheels. This can be dangerous is you have long floor runs (i.e. train stations). With linear operators, they are never self-locking. They can be easily opened from the floor or cab top. The amount of force needed is always uniform throughout the entire door cycle, to manually open the door. Plus, if the power is cut, the clutch is spring-loaded. If elevator is at floor during an entrapment, all that needs to be done from the outside is cut the juice and then manually open the door (no key or lock picking). If door arm bolts get loose or detached, they could fall on someone. With a belt operator, if the belt breaks, it will just loose traction and stop. Another bad thing is when they are used on glass door installs (propped up on pedestals. This creates trip hazards for workers and adds installation costs for taller hoistway. If you really wanna see how dangerous a gate sw is. Check out this vid. Be glad it was equipped with DLM: https://www.youtube.com/watch?v=AEOkZDBCDiw
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