Cutting Blades - MTD White Outdoor GT2550 Operator's Manual

Transmission Pulley
(Beneath Cooling Fan)
Hydrostatic
Transmission
• 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 it. Be careful not to lose the square key
which acts as a guide for the engine pulley on the
crankshaft.
When remounting the electric PTO clutch,
IMPORTANT:
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 17.
• Continue removing the drive belt by gently lifting it
off the transmission pulley and over the cooling fan.
The fins on the cooling fan are only slightly
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 17.
Fixed V-idler Pulley
Left Frame Rail
V-idler Pulley
Idler Extension Spring
Drive Belt
Figure 17
Tires
Refer to the tire sidewall for exact tire manufacturer's
recommended or maximum psi. Do not overinflate.
Uneven tire pressure could cause the cutting deck to
mow unevenly.

Cutting Blades

•
21
Flat Idler Pulley
Double-Idler Bracket
FRONT OF TRACTOR
NOTE:
View shown from above tractor.
WARNING:
Never exceed the maximum
inflation pressure shown on the tire sidewall.
WARNING: Be sure to shut the engine off,
remove ignition key, disconnect the spark plug
wire(s) and ground against the engine to
prevent unintended starting before removing
the cutting blade(s) for sharpening or
replacement. Protect your hands by using
heavy gloves or a rag to grasp the cutting
blade.
Periodically inspect the blade adapter and/or
spindle for cracks or damage, especially if you
Electric PTO Clutch
Engine Pulley
(Upper Portion)