Jim. Do you have the locking collars that are supposed to be with the thrust bearings? They would have the set screws in them. Skip, KJ6Y _Communications Service Co_ (http://www.communicationsservice
I think you guys are thinking of two different motor drives. The US Tower ( and some Tristao and Tri-EX) MDP-750 is a continous cable for pull up and pull down and wraps around a multi grooved pulley
A 2 ton come along is the best way to raise the mast off the rotor. Skip, _KJ6Y_ (http://www.kj6y.com/) _New WEB Site Communications Service Co_ (http://www.communicationsserviceco.com/) 818-887-3569
The purpose of the delays are to make sure the motor comes to a complete stop before trying to reverse, because the motor isn't instant reversing. Normal settings are about 5 seconds. The old Tri-Ex
All the time!! Skip, KJ6Y _Communications Service Co_ (http://www.communicationsserviceco.com/) 818-887-3569 _______________________________________________ __________________________________________
The remote control unit should have a local position so you don't have to take the control box outside. There should be a local switch on the side of the relay box. Doesn't your's have this? Skip, KJ
Tower is a Hygain HG70HD. Winch is a US Tower MD-75. T-Base was made with the old ears that were probably cut off at the previous installation. Hygain used a similar concrete base as the Tri-Ex. Skip
The first time I needed to do this, I contacted Hilti Products and talked to their engineers. Sent them a copy of the engineering calcs from US Tower and they came back with the necessary product nee
I know Steve is considered the "GURU" of towers. But I have to disagree. I've seen many towers in my over 33 years of tower installations and service and have seen many that definitely needed the cab
I'm looking for the engineering calculations for the Hygain HG54HD tower. I have the blueprint but not the calcs. Will gladly pay for copying and shipping. Thanks in advance. Skip, KJ6Y _Communicatio
Thanks to Bob, KT3RR I have what I need. Thanks to all. Skip, KJ6Y _Communications Service Co_ (http://www.communicationsserviceco.com/) 818-887-3569 _______________________________________________ _
Yes, the DIN connector was for a preset option. That rotor was originally made by Loren Pleet, AE6P before M2 took them over. The preset was an option that work, but was very susceptible to RF and wo
According to Building and Safety, the bolts need to be torque to 350 lbs. A registered Deputy inspector must be present and issue a certificate of compliance. If you are not getting a permit it's a m
I had a sheet metal cover made for my motor on my LM-470. Keeps most of the direct rain off. Unfortunately, the motor on the TX-472 MDP is mounted on the bottom of the bottom and not easily covered.
My first thought is you put the ring gear in improperly. Sounds like the tab that actuates the limit switches is mounted in between the switches instead of on the outside where the gear can travel th
John, HZN-354 by Tri-Ex. Weighs 750 lbs. Extended height 54 ft. Nested height 20' 11". Top section 13 13/16" accross. Tower is self supporting with the concrete base mount. Engineered to support larg
Neil, Manual from 1983 July 1983 is 55 pages. What are you looking for? Skip, KJ6Y _Communications Service Co_ (http://www.communicationsserviceco.com/) 818-887-3569 GE All, Looking for a manual or i
Mike's tower sounds like the shaft broke and not a gearbox failure. On the older MD-750 motor drives, the shaft was 1 inch coming out of the gearbox. (Tristao and then US Tower). US Tower then went t
After tightening the clamp, you can rivet the joint. I have done that even on the pre MFJ Hygains. Skip, KJ6Y _Communications Service Co_ (http://www.communicationsserviceco.com/) 818-887-3569 ______
These bolts require torquing to 350 lbs. I know US Tower says to just tightened. I've done installations where the permit required torquing and had to have a registered deputy inspector watch me torq