Gen Motor Test and More

Posted by equeen on June 11, 2011 at 09:13:38 from (209.102.248.55):

In Reply to: Dont forget to Polarize posted by John T on June 11, 2011 at 05:57:55:

Yes, I've spoken of cutout relay and VR. Cutout has been replaced with VR.

Motor test suggests gen okay, I guess. With F post dead grounded to frame and hot battery voltage to gen ARM post and belt removed the gen turns -not super fast, but fast enough to burn a hand if one was placed against the pulley. With the F ground removed, it does speed up slightly. No change whether ignition switch on or off.

With belt on pulley and engine running and gen's F post grounded and jumper from VR BAT to VR GEN terminal, she doesn't charge - or if so not significant.

With the gen's F post grounded and no other changes - no charge.

Bat term on VR always reads hot.
Bat on VR wired to ammeter's negative post.
(Cable from battery at starter wired to ammeter's positive post.)
Gen on VR wired to gen's ARM post.
Fld on VR wired to gen's Fld post.

Coil wired to one ignition switch post.
Other ignition switch post wired to ammeter's positive post.

Cub doesn't have light switch, thus no wire from L on VR to anywhere.

VR has 4 posts:
F on side
Bat on side
L on side
Unmarked post underneath VR. I'm told it's Arm or Gen post and am wiring from it as such.

Photo attached for any clues. Belt still off from gen motor test.

See other thread. I'm wondering if the engine is revving up high enough to charge - or for more than a trickle charge.

Replies:

• Re: Gen Motor Test and More John T 10:36:22 06/11/11 (0)

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