Yard-Man 203 - Manual (Page 12)

12
• Thread the special impeller tool into the crankshaft.
Stop when the impeller assembly can move on the
crankshaft.
• If the old belt is still on the unit, cut belt to remove
from unit.
• Remove the impeller assembly from the crankshaft
and unthread the special impeller tool from the
impeller assembly.
• Remove the inner housing and mounting adapter
by removing the five hex bolts and two hex nuts.
See Figure 14.
Figure 14
• Insert the new belt between the frame and
transmission pulley. It may be necessary to use a
screwdriver to pry the frame away from the pulley in
order to insert the belt. Being careful not to damage
the pulley, apply a slight upward pressure and
place belt around transmission pulley.
See Figure 15.
Figure 15
• Press down on the belt guard spring by the idler
pulley and release spring from the slot on the idler
bracket. Place the belt on the idler pulley and place
belt guard spring back into the slot on the idler
bracket. See Figure 15.
• Place the mounting adapter against the engine and
make sure the hole in the mounting adapter is
facing up.
• Place the inner housing against mounting adapter
and frame. Secure with the five hex bolts and two
hex nuts previously removed. Refer to Figure 14.
• Slide the impeller assembly onto the crankshaft
and place a screwdriver under the belt. Turn the
impeller assembly counterclockwise to seat the belt
into the slot on the impeller. Make sure the belt is
routed inside all belt guards.
• Secure the impeller assembly to the crankshaft
using the hex bolt, lock washer, and flat washer
previously removed. Torque the bolt to 550 in. lbs.
to 700 in. lbs.
• Place the housing blades against the inner
housing. See Figure 16.
Figure 16
• Place the outer housing against the inner housing.
Insert two screwdrivers into the holes to hold the
blades in place while attaching the outer housing.
See Figure 17.
• Secure with the fourteen self tapping screws that
were previously removed and insert all screws first
before tightening.
• Reassemble following the previous steps in reverse
order.
Figure 17
Hex Bolts
Hex Bolts
Idler
Frame
Belt Guard
Spring Mounting
Adapter
Transmission Pulley
Idler
Bracket
Inner
Housing
Housing
Blades
Holes for
Screwdrivers
Outer
Housing