[Amps] HT-41

[Randall, Randy]

Since you have SS diodes in there, use the variac and an inline amp meter.  Increase the line voltage from 10 volts to nominal operating voltage.  Do this in 10 volt steps 10 - 15 min between steps.

Randy


Randy E. Randall AB9GO
Network Engineer
UC Health
Randy.Randall at UCHealth.com
Phone 513-585-7146
Fax 513-585-7159

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On Behalf Of rick darwicki
Sent: Monday, March 19, 2012 11:29 PM
To: AMPS
Subject: [Amps] HT-41

A friend has one of these with the mercury rectifiers replaced with diodes and a new capacitor pack. He also thinks the 7094s are now 813s. It has been sitting unsed for years.

Any recommendations on firing it up?

I have a variac and 0-500 v DC supply to add to the mix as required.

When I was a young kid working for an air conditioning contractor, I turned on a 250 HP motor that had been sitting in 40 degree air for a month without warming it up and I wouldn't want the same thing that happened to the motor to happen to his amp hi hi


Thanks,

Rick, N6PE
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