Grasshopper 721D User Manual

38
Yes
Does voltage
appear from
terminal B of
main fuse to
ground?
Replace main
fuse.
No
No
Yes
No
Steering levers
out, PTO switch
'OFF' and
parking brake
'OFF'. Voltage
tests are
performed with a
voltmeter or test
light to battery
ground.
Key switch is in
'RUN' position for
each test.
Does voltage
appear from
terminal A of
main fuse to
ground?
Problem is the
key switch or
power to the key
switch.
Does voltage
appear from
terminal 1 of
fuel solenoid
module (figure
35) to ground?
Does voltage
appear from
terminal G of
ignition fuse to
ground?
Replace control
relay A. This is
the relay with 2
red, 1 yellow and
1 black wire.
Does voltage
appear from
terminal 2 of fuel
solenoid module
to battery
positive ?
Repair ground.
Replace ignition
fuse.
No
No
Yes
Yes
Yes
continues on next
page
A
MODEL 718D and 721D
(Kubota diesel engines)
ENGINE STARTS, BUT DIES
WHEN KEY SWITCH IS RELEASED
Figure 36
Figure 35
4
1
23
PTO
7.5
7.5
REG.
30
15
MAIN
30
IGN.
START
A
D
E
G
F
J
B
C
I
H

Grasshopper 721D Specifications

General

Brand	Grasshopper
Model	721D
Category	Lawn Mower
Language	English