Yard-Man 247.37979 Operator's Manual page 19

DRIVE BELT REMOVAL AND REPLACEMENT
Step 1. Disconnect the spark plug wire and ground it
against the engine.
Step 2. Drain the fuel tank or place a piece of plastic
beneath the cap to prevent gasoline leakage.
Step 3. Place shift lever in the first position.
Step 4. Tip the mower on its side. Block securely.
Step 5. Remove the center bolt which secures the
blade to the crankshaft. Remove the blade, and
the blade adapter, wave washer, and spacer.
Refer to Cutting Blade Removal, Replacement
and Sharpening in the Maintenance Section.
Step 6. Move rear height adjuster to the sixth position.
Step 7. Using a 3/8" socket, remove three hex screws
holding the baffle to the deck.
Hex Screw
Hex Screw
Step 8. Pivot baffle towards the rear of the mower.
Step 9. Remove the hex bolt holding the transmission
to the mower housing.
Baffle
Step 10. Tilt the transmission forward and loosen the
idler pulley bolt and lock nut 1/2 turn using two
7/16" wrenches.
Step 11. Using a pair of pliers, pull back and rotate belt
keeper bracket from the slot on the idler pulley.
Step 12. Slide the belt out from between the belt
keeper bracket and the idler pulley.
Transmission
Pulley
Hex
Belt
Screw
Belt Keeper
Bracket
Idler Pulley
Bracket
Idler Pulley
Bolt and
Locknut
Baffle
19
Rear Height Adjustment Lever
Hex Bolt
Transmission