Grasshopper 721D User Manual

24
Yes
No
OK
No
Yes
continues on
next page
A
Test battery for
condition and
charge.
Steering levers
out, PTO switch
'OFF', operator
on seat.
Voltage tests
are performed
with a voltmeter
or test light to
battery ground.
Key switch is
held in 'START'
position for each
test until
otherwise noted.
Does voltage
appear from
terminal 'C' of
start fuse? Refer
to Figure 16.
Problem is the
key switch or
the power to the
key switch.
Does voltage
appear from
terminal 'D' of
start fuse?
Replace start
fuse.
Does voltage
appear on
terminal 85 of
starter relay?
Check wires
from fuse to
starter relay.
No
Does voltage
appear on
terminal 87 of
starter relay?
Check in-line
fuse in wire
coming from the
starter.
Yes
No
Yes
Check starter
solenoid.
Problem could be
starter solenoid or
starter.
Does voltage
appear on
terminal 30 of
starter relay?
No
Yes
ENGINE WILL NOT CRANK
Figure 14
MODEL 718K and 720K.
(Kohler Command engines)
Figure 16Figure 15
NOTES:
1. To see the wiring diagram for
models with serial numbers of
340725 and higher, refer to
figure 42 on page 43.
IN START POSITION
BU
BU
BU
YE
GR
RD
PTO OFF
STEERING LEVERS OU
T
STARTER
NC
NO
SEAT
-
+
IN-LINE
FUSEHOLDER
START FUSE
STARTER
RELAY
BRAKE
SWITCH
PTO
SWITCH
LEFT
STEER
RIGHT
STEER
DIODE ALLOWS ENGINE
TO CRANK WITH
BRAKE SWITCH ON OR OFF
KEY
SWITCH
LT
STR
RT
STR
DRIVER
ON SEAT
SEAT
SWITCH
YE
YE
YE
YE
M
B
S
G
L
LIGHT
PTO
START
REG.
30
7.5
7.5
7.5
AB
C
E
G
D
F
H
87
87a
30
8586

Grasshopper 721D Specifications

General

Brand	Grasshopper
Model	721D
Category	Lawn Mower
Language	English