Hobart 140GT17P Operation And Maintenance Manual With Illustrated Parts List page 99

TROUBLE, SYMPTOM
AND CONDITION
ENGINE AND CONTROLS (CONTINUED)
7. Engine will not
come "up" to gov-
erned speed in GEN
mode.
September 30/89 Revised
PROBABLE CAUSE
A. 12-V DC power not
reaching governor
control box due to
defective operating
ode switch (18, Fig.1)
B. Governor linkage
binding or governor
throttle sticking
C. Defective or mis-
adjusted magnetic
pickup (2, Fig. 5,
2-3).
D. Defective actuator
Trouble Shooting Chart (Sheet 5 of 20)
Figure 4
TEST, CHECK, AND/OR
REMEDY
A. Apply 12-V DC directly to
terminal 1 on governor con-
trol box. If engine comes-up
to speed, check following:
B. Check governor linkage and
throttle shaft for binding
and sticking. Repair as
required.
C. The control unit may not be
receiving a signal from the
magnetic pickup and the
"fail-safe" feature of the
unit may be functioning to
prevent any signal from
reaching the actuator. To
check the magnetic pickup,
disconnect pickup from con-
trol unit and connect a high
impedance AC voltmeter to
the pickup output leads.
Crank engine but don't
start. Voltage reading
should be a minimum of one
(1) volt. If no or low volt-
age is indicated, check
pickup adjustment.
If pickup is
properly adjusted and
voltage is still zero,
replace pickup.
D. Apply 12-V DC to the two
actuator input leads. Actua-
tor lever should move im-
mediately to full speed po-
sition. If lever does not
move, replace actuator.
OM-2029
3-1
Page 11