Grasshopper 721 User Manual

26
Yes
No
OK
Yes
No
Yes
No
Yes
Test battery for
condition and
charge.
Steering levers
out, PTO switch
'OFF'. 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
white wire of
starter solenoid
to ground?
Does voltage
appear from
terminal 'J' of
start fuse to
ground?
Problem is the
key switch or
the power to the
key switch.
No
Check starter
solenoid.
Problem could
be starter
solenoid or
starter.
Does voltage
appear from
terminal 'I' of
start fuse to
ground?
Replace start
fuse.
No
Yes
Does yellow wire
in terminal 86 of
control relay B
show ground
when tested?
Do both wires
on LT steering
switch show
ground when
tested?
LT steering
switch is bad or
out of
adjustment.
No
Replace control
relay B.
Do both wires
on RT steering
switch show
ground when
tested?
RT steering
switch is bad
or out of
adjustment.
Replace PTO
switch.
Yes
MODEL 720
(Onan engine)
ENGINE WILL NOT CRANK

Grasshopper 721 Specifications

General

Brand	Grasshopper
Model	721
Category	Lawn Mower
Language	English