Service - Cub Cadet Tank M72 Operator's Manual

Service

Battery Removal
WARNING!
accessories contain lead and lead compounds. Wash
hands after handling.
The battery is located on the right/rear of the tractor beneath the
seat box frame. To remove the battery:
1. Remove the hold down straps.
2. Remove the hex cap screw and sems nut securing the black
negative battery lead to the negative battery post (marked
nEG). Move the cable away from the negative battery post.
3. Remove the hex cap screw and sems nut securing the red
positive battery lead to the positive battery post (marked
POS).
4. Carefully lift the battery out of the tractor.
5. Install the battery by repeating the above steps in the
reverse order.
WARNING!
battery before connecting the negative lead. This
will prevent sparking or possible injury from an
electrical short caused by contacting the tractor
body with tools being used to connect the cables.
Charging the Battery
Test and, if necessary, recharge the battery after the tractor has
been stored for a period of time.
• A voltmeter or load tester should read 12.6 volts (DC) or
higher across the battery terminals. See Fig. 7-1.
Voltmeter
Reading
12.7
12.4
12.2
12.0
• Charge the battery with a 12-volt battery charger at a
MAXIMUM rate of 10 amps.
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Battery posts, terminals and related
Always connect the positive lead to the
State of Charging
Charge Time
100% Full Charge
75% 90 Min.
50% 180 Min.
25% 280 Min.
Figure 7-1
Jump Starting
WARNING!:
Failure to use this starting procedure
can cause sparking, and the gases in the battery to
explode.
1. Attach the end of the red jumper cable to the positive
terminal (+) of the charged battery.
2. Attach the other end of the red jumper cable to the
positive terminal (+) of the low charge battery.
3. Attach the end of the black jumper cable to the negative
terminal of the charged battery.
4. Attach the other end of the black jumper cable to the
frame of the unit with the low charge battery.
Servicing Electrical System
Fuse
There is one fuse located in the wiring between the ignition start
switch and other electrical components. This is a standard plug-
in type automotive fuse rated at 20 amp. Always use the same
capacity fuse for replacement. If the electrical system does not
function, check for a blown fuse.
If you have a recurring problem with blown fuses, have the
tractor's electrical system checked by your Cub Cadet Service
Dealer.
Safety Switch Operation Checks
The following operational checks should be made daily:
PTO Switch
1. Sit in the operator's seat. With the speed control pedals
in the neutral position and the parking brake engaged,
turn the PTO switch "On" and try to start the engine. The
engine should not start. If it does, the PTO switch must be
replaced. See an authorized service dealer.
2. If the engine does not start, turn the PTO switch "OFF" and
start the engine. now turn the PTO switch "On" and the
blades should rotate.
3. If the blades do not turn, the PTO switch must be replaced,
the seat switch must be replaced or the electric PTO clutch
must be repaired. See an authorized service dealer.
Parking Brake Switch
• Sit in the operator's seat. With the speed control pedals
in the neutral position and the PTO switch "OFF", release
the parking brake and try to start the engine. The engine
should not start.
• If it does, the parking brake switch must be repositioned or
perhaps replaced. See an authorized service dealer. If the
engine does not start, engage the parking brake and start
the engine.
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