White Outdoor LT-1650 Operator's Manual page 22

Transmission Pulley
(Beneath Cooling Fan)
Hydrostatic
Transmission
NOTE:
Proper removal of the drive belt requires the
removal of several tractor components. Read through
the following procedure prior to attempting it to
determine if you feel you could successfully complete it.
If you don't, see your White Outdoor dealer to have the
belt changed.
Note the routing of the lower drive belt
IMPORTANT:
around all the pulleys and the belt keepers (if present)
BEFORE performing the following steps.
• Locate the fixed v-idler pulley found on the left
underside of the frame. See Figure 18.
• Grasp the belt on both sides of the pulley and
gently move it toward the left frame rail allowing it to
unseat itself from the fixed v-idler. See Figure 18.
• Pivot the double-idler bracket forward slightly
before removing the idler extension spring from the
stud and the double-idler bracket itself. Do NOT
discard the spring.
• Roll the drive belt out from around both the v-idler
pulley and the flat idler pulley found on the double-
idler bracket.
• Carefully unplug the tractor's wire harness from the
connector on the electric PTO clutch (if present).
Fixed V-idler Pulley
Left Frame Rail
V-idler Pulley
Flat idler Pulley
Idler Extension Spring
Double-Idler Bracket
Drive Belt
Figure 18
• Remove the hex bolt from the center of the electric
PTO clutch (or the engine pulley) and gently lower it
off of the engine crankshaft. Be careful not to lose
any washers or spacers which may be found on top
of the electric PTO clutch or engine pulley.
• On units equipped with an electric PTO, the engine
pulley is located directly above the electric PTO
clutch. Lower the engine pulley far enough to be
able to remove the upper drive belt from around
IMPORTANT:
(or engine pulley), torque the center hex bolt to
between 38 foot-pounds and 50 foot-pounds.
• Remove the drive belt by feeding it from front to
rear, toward the hydrostatic transmission. See
Figure 18.
• Continue removing the drive belt by gently lifting it
off of the transmission pulley and over the cooling
fan.
IMPORTANT:
flexible. Be careful not to damage the fan when
removing the drive belt from around the transmission
pulley.
• Reroute the new belt around the pulleys and belt
keepers, if present, EXACTLY as the old one was
routed. Refer to Figure 18.
22
Engine Pulley
FRONT OF TRACTOR
NOTE:
View shown from above tractor.
When remounting the electric PTO clutch
The fins on the cooling fan are only slightly
it.