Cub Cadet 500 series User Manual
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(inside the boot) is fastened securely over the metal 
tip on the spark plug. 
•
Make certain both the auger control and drive 
control are in the disengaged (released) position.
•
Move throttle control up to FAST position. Insert 
ignition key into slot. Make sure it snaps into place. 
Do not attempt to turn the key
.
NOTE:
The engine cannot start unless the key is
inserted into ignition switch.
Electric Starter
Before starting, make sure that the engine has suffi-
cient oil. The snow thrower engine is equipped with a 
120 volt A.C. electric starter and recoil starter. The 
electric starter is equipped with a three-wire power 
cord and plug and is designed to operate on 120 volt 
AC household current. Follow all instructions carefully. 
Cold Start
NOTE:
If the unit shows any sign of motion (drive or
augers) with the clutch grips disengaged, shut the
engine off immediately.
Readjust as instructed in the
“Final Adjustments” section of the Assembly
Instructions.
1.
Determine whether your house wiring is a three-
wire grounded system. Ask a licensed electrician if 
you are not certain.
•
If your house wiring system is grounded and a 
three-hole receptacle is not available at the point 
the snow thrower starter will normally be used, one 
should be installed by a licensed electrician.
•
When connecting the power cord, always connect 
cord to starter on engine first, then plug the other 
end into a three-hole grounded receptacle.
•
When disconnecting the power cord, always 
unplug the end from the three-hole, grounded 
receptacle first. 
2.
Attach spark plug wire to spark plug.
3.
Make sure that the auger drive and the traction 
drive levers are in the disengaged position.
4.
Move throttle control lever to FAST position.
5.
Push key into the ignition slot. Make sure it snaps 
into place. 
Do not turn key.
6.
Rotate the choke knob to FULL choke position.
7.
Push the primer three times.
8.
Connect power cord to switch box on the engine.
9.
Plug the other end of the power cord into a three-
hole, grounded 120 volt A.C. receptacle.
10. Push down on the starter button until the engine
starts. Do not crank for more than 10 seconds at a 
time. This electric starter is thermally protected. If 
overheated, it will stop automatically and can be 
restarted only when it has cooled to a safe 
temperature (a wait of 5 -10 minutes is required).
11. When the engine starts, release the starter button
and slowly rotate the choke to OFF position. If the 
engine falters, rotate the choke to FULL and then 
gradually to OFF. 
12. Disconnect the power cord from the receptacle first
and then from the switch box on the engine.
13. Allow the engine to warm up for a few minutes
because the engine will not develop full power until 
it reaches operating temperature. Operate the 
engine at full throttle (FAST) when throwing snow. 
Warm Start
1.
If restarting a warm engine, rotate choke to OFF 
instead of FULL and press the starter button.
Recoil Starter
Make sure that the engine has sufficient oil and the
auger drive and the traction drive levers are released.
Cold Start
1.
Move throttle control to FAST position.
2.
Push key into the ignition slot so that it snaps into 
place. Do not turn key. 
3.
Rotate choke control to FULL choke position.
4.
Push the primer button while covering the vent hole. 
Remove your finger from the primer between primes. 
Do not prime if temperature is above 50
o
F (10
o
C);
prime two times between 50
o
F (10
o
C) and 15
o
F
(-9
o
C); and prime four times below 15
o
F (-9
o
C).
5.
Pull the starter handle rapidly. Do not allow the 
handle to snap back, but allow it to rewind slowly 
while keeping a firm hold on the starter handle.
6.
As the engine warms up and begins to operate 
evenly, rotate the choke knob slowly to OFF 
position. If the engine falters, return to FULL choke, 
then slowly move to OFF choke position. 
7.
Allow the engine to warm up for a few minutes 
because the engine will not develop full power until 
it reaches operating temperature.
8.
Operate the engine at full throttle (FAST) when 
throwing snow. 
Warm Start
1.
If restarting a warm engine after a temporary shut 
down, rotate choke to OFF instead of FULL and do
not
prime. Pull starter handle as instructed earlier.
Frozen Recoil Starter
If the starter is frozen and will not turn the engine, 
proceed as follows:
1.
Pull as much rope out of the starter as possible.
2.
Release the starter handle and let it snap back
WARNING:
The electric starter must be
properly grounded at all times to avoid the 
possibility of electric shock which may be 
injurious to the operator.
WARNING:
If your house wiring system is not
a three-wire grounded system, do not use this 
electric starter under any conditions.
