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29
SERVICE AND MAINTENANCE
4. For 42” Decks:
a. Remove the movable idler pulleys and belt guard on the left pulley by
removing the hex screws, pulley cap and flange lock nuts that secure
them the idler arm and deck. See Figure 38. Do not lose any of the
hardware when removing the hex screw, belt guard, pulley cap, spacer,
shoulder spacer and flange lock nut.
Flange Lock Nut
Shoulder Spacer
Spacer
Belt Guard
Idler Bracket
Hex Screw
Pulley Cap
Idler Pulley
Hex Screw
Spacer
Flange Lock Nut
Figure 38
NOTE: Take note of the position of the belt guard to ensure it is properly
re-installed.
b. Remove the belt from the spindle pulleys.
c. Install the new belt around the spindle pulleys as shown and
reinstall the belt covers. See Figure 36.
d. Place the belt around the idler pulleys removed in step 3 with the
“V” side facing in. Once in place, reinstall all the hardware and
tighten the flange lock nut to secure the assembly. See Figure 38.
e. Route the belt as shown in Figure 36 and then reinstall the deck
(refer to Deck Installation).
Mower Blade Care
WARNING
Before performing any maintenance, place the PTO switch in the “OFF”
position, engage the parking brake lever, turn the ignition key to the “OFF”
position and remove the key from the switch. Protect your hands by using
heavy gloves when handling the blades. When servicing the mower deck,
be careful not to cut yourself on the sharpened blades.
The cutting blades must be kept sharp at all times. Sharpen the cutting edges of the
blades evenly so that the blades remain balanced and the same angle of sharpness
is maintained.
If the cutting edge of a blade has already been sharpened many times, or if any
metal separation is present, it is recommended that new blades be installed. New
blades may be obtained through Sears Parts & Repair or by calling 1-888-331-4569.
The blades may be removed as follows.
1. Remove the deck from beneath the riding mower, (refer to Deck Removal)
then gently flip the deck over to expose its underside.
2. Use a ⁄” wrench to hold the hex nut on top of the spindle assembly when
loosening the hex nut securing the blade. A block of wood may be placed
between the deck housing and the cutting edge of the blade to help in
breaking loose the hex nut securing the blade. See Figure 39.
Hex Flange Nut
Spindle Assembly
Wood Block
Figure 39
3. When reinstalling the blades, be sure they are installed so that the wind
wings are pointing upward toward the top of deck.
4. Use a torque wrench to tighten the blade nuts to 70-90 ft. lbs.
5. Reinstall the deck (refer to Deck Installation).
Transmission Drive Belt
Several components must be removed and special tools used in order to change the
riding mower’s transmission drive belt. See your Sears Service Center or to schedule
service, simply contact Sears at 1-888-331-4569.
Tractor Creeping
Creeping is the slight forward or backward movement of the mower when the
throttle is on and the speed control levers are in the neutral position. If your mower
creeps, see an authorized service dealer.
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