Cutting Blades - Troy-Bilt 609 Operator's Manual

• Remove the hex bolt from the center of the
engine pulley (or the electric PTO clutch on
units so equipped) 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 engine pulley or the electric PTO
clutch. See Figure 18.
Return
• On units equipped with an electric PTO, the Bracket
engine pulley is located directly above the
electric PTO clutch. Lower the engine pulley
far enough to be able to remove the upper _==,_Clips
drive belt from around it
C:Y
IMPORTANT: When remounting the engine
pulley or electric PTO clutch, torque the center hex
bolt to between 38 foot-pounds and 50 foot-pounds.
• Remove the drive belt by feeding it from both
ends toward the front idler pulley on the
double-idler bracket. See Figure 16.
• Reassemble by following the above steps in
reverse order.
• Reroute the new belt around the pulleys, belt
keepers and keeper pins EXACTLY as the old
one was routed. Refer to Figure 16.
The drive pedal is properly adjusted when the hole
found in the double-idler bracket has approximately
1-3/8" of travel with ten pounds of pressure applied
to the drive )edal. See Figure 19.
i_. =_ ")ouble-idler
Bracket
Hole_ Idler
_ Adj. Rod
Front of Tractor
NOTE: View shown from above tractor,
Figure 19
Adjust the drive pedal after replacing the drive belts
on your tractor, if necessary, as follows:
• Locate the speed control assembly on the
underside of the steering support bracket. See
Figure 20.
• Remove both hairpin clips from the pin which
is fastened to the speed control assembly (be
careful not to lose the small flat washers found
on the pin). See Figure 20.
• Remove the drive pedal return spring.
Using two 9/16" wrenches, remove the pin from the
speed control assembly. See Figure 20.
Idler Place Wrenches Here
Drive Pedal Speed Control
Return Spring Assembly
Figure 20
Thread the idler adjustment rod inward or outward to
lengthen or shorten the travel of the double-idler
bracket until proper adjustment is achieved.
• Reassemble by following the above steps in
reverse order.
CUTTING BLADES
il_ WARNING:
Cutting blades are sharp. Always protect hands by wearing heavy
leather work gloves to grasp blades.
The blades may be removed for sharpening or
replacement as follows.
• Remove the deck from beneath the tractor,
(refer to DECK REMOVAL earlier in this
section for detailed instructions) then gently
flip the deck over to expose its underside.
• Place a block of wood between the center
deck housing baffle and the cutting blade to
act as a stabilizer. See Figure 21.
_Hex Flange Nut
Block of Wood
!
Cutting Blade
Figure 21
• Use a 15/16" wrench to remove the hex flange
nut that secures the blade to the spindle
assembly. See Figure 21.
22