Generac Power Systems TXP - Manual (Page 38)

Unplug the mating halves of the
small disconnect. Locate the male
and female pins that connect Wire
#90 from the Choke SOLENOID (NOT
from the Choke Bi-Metal). Set the
VOM to ”+.DC” and to ”Rxl” scale,
then zero the meter. Connect the
POSITIVE (+) meter test probe to
the FEMALE Wire #90 pin, NOT TO
THE MALE WIRE #90 PIN. Connect the
common (-) test probe to ground.
Crank the engine. Meter needle
should swing upscale, then drop
downscale in a pulsing cycle.
RESULTS: 1.) Meter needle does NOT move....................................Replace Printed Circuit Board
2.) Check is Good, but on sub­
sequent tests Choke does not
operate normally................ Replace Choke Assembly
TEST 31
PRE-CHOKE
A.) With the Choke Bi-Metal cold
(ambient temperature)., the carbu­
retor Choke Valve should be app­
roximately
1/8
inch away from its
vertical position, and towards a
CHOKE position. If necessary,
loosen the Bi-Metal, adjusting
screws and move the Bi-Metal to
obtain this setting. This is the
"Pre-Choke” position.
TEST 32
GOVERNOR
A.) Adjust Carburetor jets and Governed Idle as outlined in Test 23,
CARBURETOR. These adjustments must be completed before attempting to
adjust the Governor.
RESULTS: 1.) Problem, is corrected.....................................................................Test Completed
2.) Engine "hunts" ,and/or AC Voltage
or Frequency is incorrect...........................................Go to Paragraph "B"
Issued 6-78
4.17