Generac Power Systems MC - Manual (Page 37)

Timing is established at 21 BTDC by the physical location of the magnet
on the fan. Thus any damage that results in a physical change in the
magnet's location will cause an "out-of-time" condition. Check for a da­
maged key or keyway that might have caused slippage of the fan on the
rotor shaft.
TEST 30:- CHOKE
A.)-Crank the engine. The Choke
Solenoid should pulse from Choke
OPEN to Choke CLOSED position at
a rate dependent on ambient tem­
perature.
RESULTS:- Choke movement is good............. Go to Test 31, PRE-CHOKE
Choke does not move....................... Go to Paragraph B
B.)-Check the Choke assembly for
binding or sticking caused by im­
proper alignment, dirt, etc. Move
Choke back and forth with finger-
there should be no evidence of
binding or sticking.
RESULTS:- Choke is binding..,
Choke moves freely,
.Adjust or clean choke linkage
............ Go to Paragraph C
C.)- Loosen the two Solenoid Adjusting screws. Adjust axial movement
of solenoid plunger so that, with carburetor choke plate closed, the
choke solenoid plunger is bottomed. Tighten the two adjusting screws
and check again for correct choke action,
RESULTS:- Choke solenoid pulls in normally..............Go to Test 31
Solenoid does not pull in,................ Go to Paragraph D
2.2-15