GB - 30
PTO or mower
blad
es do not
engage or shuts
off.
1. Operator presence
switch
not
depressed.
1. Depress operator presence switch
by sitting on seat.
2. Faulty operator
pr
esence switch.
2. Contact your GravelyDealer.
3. Electric clutch
connector
is loose
or disconnected.
3. Connect the electric clutch
connector. See REPLACING
HYDROSTATIC BELT on page 26
for the electric clutch connector
locati
on.
4. Faulty PTO belt. 4. Replace PTO belt (see REPLACING
PTO BELT o
n page 25).
5. Faulty PTO switch,
w
ires, connectors,
or clutch.
5. Contact your Gravely Dealer.
Engine
overh
eats.
1. Engine oil level
low.
1. Add engine oil. Refer to Engine
Manual for detailed instructions.
2. Cooling system
plugged.
2. Clean cooling system. Refer to
Engine Manu
al for detailed
instructions.
3. Faulty engine. 3. Contact your Gravely Dealer.
Unit moves with
e
ngine off and
parking brake
engaged.
1. The parking brake
ne
eds adjustment.
1. Contact your Gravely Dealer.
2. Faulty parking
br
ake.
2. Contact your Gravely Dealer.
Hour meter
con
tinues when
engine not
running.
1. Ignition key is in
the
run position
with engine turned
off.
1. Turn ignition key to the off position.
Unit does not
travel in
a
straight line.
1. Incorrect tire
pressure.
1. Check tire pressure (see
SPECIFICATIONS on page 32).
2. Steering levers
need adjustment.
2. Adjust steering levers (see Forward
and Reverse Speed Adjustment on
page 25)
3. Hydrostatic
tr
ansmission
and/or linkage
needs adjustment.
3. Contact your Gravely Dealer.
Unit creeps with
steerin
g levers
in neutral
position.
1. Hydrostatic
tr
ansmission
and/or linkage
needs adjustment.
1. Contact your Gravely Dealer.
PROBLEM PROBABLE CAUSE CORRECTION
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