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Re: (ET) Another episode of Stump-The-Elec Trak Owner
If you think about it......when your car battery goes "dead", the starter
motor relay clicks due to the drop in voltage from the high current draw
of the starter motor when cranking. Basically the relay can't stay "held
in" due to voltage drop....may have similar problem here.
Suggest you check the battery voltage, field to motor, connections.
- Loss of field causes the armature to draw excessive amps.
- Poor connections can cause loss of field.
- Does the power meter go crazy too? That's a sign of high amps.
- Solenoid relay power - measure that and see if it drops suddenly or
changes. The coil may be bad or poor connection.
...Walt
-----Original Message-----
From: elec-trak-bounces cosmos phy tufts edu
[mailto:elec-trak-bounces cosmos phy tufts edu]On Behalf Of Klein Robert
W NPRI
Sent: Wednesday, December 20, 2006 2:53 PM
To: elec-trak cosmos phy tufts edu
Subject: (ET) Another episode of Stump-The-Elec Trak Owner
Well, My Wheelhorse C-185 has started doing a truly Bizarre thing and it
appears to be sucking the life out of my T-105 Battery bank.
When I engage the battery isolation switch, I get a random, and sometimes
rapid energetic clicking of a solenoid relay engaging and disengaging.
I'm not talking about the small control relays at the top, but the big
ones behind the kick plate.
The unit runs OK through all the speeds but I think I can hear/feel a
solenoid relay clicking while I'm in motion. This is not a constant
occurrence but more intermittent.
If I pull the middle fuse from the fuse block, the clicking stops... Duh!
Anyone got any ideas as to what causes this?
Robert W. Klein II
SSGN Deputy Technical Manager AWS/AWSS
1176 Howell Street
Newport, RI 02841
Phone: 401-832-1948
Toll Free: 1-800-669-6892 Ext. 21948
FAX: 401-832-7877
e-Mail: kleinrw npt nuwc navy mil
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