Rockola Turntable Gripper Issue

A friend of mine just bought a 450 Rock-ola.

Everything works except when the gripper goe to pick the record back up
after playing it it jumps up about a quarter of an inch before it closes
to grip the record and thus does not pick up the record to return it to
the carriage.

I didnt see an obvious way to fix this...does anyone have a hint?
--
Ken In Texas
http://www.pinballrebel.com
Custom Pinball Cards, Jukeboxes, Drive In's

"Never ask a man if he's from Texas.
If he is, he'll tell you on his own.
If he ain't, no need to embarrass him."

It has gummy oil in that big rotating bushing the record arm is hooked
to . A bunch of oil will probably get it going for a while . Its not
good to drip bunches of oil down into the machine & let it run all over
... be neat about it .
The very best way is to take that unit all apart , clean & re-oil . I
just did one with the same problem .
A second Rockola here does the same , i used light oil to get the
machine going before i tear it down for full restore . The light oil
only lasted a few months .

Ken