Cub Cadet 640 - Manual (Page 14)

14
Replacing Headlights
Headlights
• Remove the two screws from the each headlight
housing located behind each fender.
• Remove the headlight lens and housing from the
front. The lens and the housing are connected.
See Figure 15.
• Twist the plastic connector and pull out light
assembly.
• Disconnect light bulb assembly from wire connector
and replace with new bulb assembly.
• Reassembly in reverse order.
Figure 15
Replacing Warning Lights
• Remove wing nuts. Raise hood to get access to
under the dash panel.
• Remove the appropriate bulb socket and replace
bulb.
• Reattach socket and lower hood. Secure hood to
fender.
Fuses
• Raise hood to get access to under the dash panel.
• Remove the appropriate electrical fuse and replace
with proper amperage fuse. (See schematic under
hood)
• Reattach socket and lower hood. Secure hood to
dash.
Tire Pressure
WARNING: Explosive separation of tire and
rim parts is possible when they are serviced
incorrectly. Do not stand in front or over tire
assembly when inflating.
The recommended operating tire pressure is approxi-
mately 5-7 psi for all tires. Overinflating above
recommended tire pressure can reduce the life of the
tire. Check tire pressure before driving the vehicle.
NOTE: For high loads 8-10 psi is recommended for the
center and rear tires. The recommended tire pressure
while using the snow plow option is 8-12 psi in the front
tires.
Wheel Replacement
WARNING: Using an unstable lifting device
and vehicle support may result in bodily injury.
Use a safe lifting device and supports to work
on raised vehicle.
Rear Wheels
• Stop the vehicle on a level surface and apply
parking brake.
• Turn the ignition key to the STOP position and
remove the key.
• Loosen but do not remove the five wheel bolts from
the axle hub. See Figure 16.
Figure 16
• Raise rear of vehicle with a safe lifting device and
place support stands under vehicle.
• Remove the five wheel bolts and rear wheel. Place
new wheel on the axle hub and secure with bolts.
• Tighten wheel bolts diagonally until snug.
• Remove support stands and lower vehicle.
• Finish tightening the bolts to 55-60 lb-ft using a
torque wrench in a star pattern.
Front Wheels
• Stop the vehicle on a level surface and apply
parking brake.
• Turn the ignition key to the STOP position and
remove the key.
• Loosen 16 x 40 cap screw.
• Raise front of vehicle with a safe lifting device and
place support stands under vehicle.
• Remove cap screw and front wheel. Place new
wheel on front axle hub and secure with cap screw
and loctite 242.
• Remove support stands and lower vehicle.
• Finish tightening the 16 x 40 screw to 80-85 lb-ft
using a torque wrench.
IMPORTANT: Overtightening front wheel can result in
bearing damage.
Drive Chain Tension
WARNING: Do not rely on a lifting device
alone to support machine while servicing.
Always use jack stands or wooden blocks to
support vehicle while work is being performed
with machine raised.
Headlight Lens
& Housing
Wheel Bolts