Chute Assembly; Auger Control; Skid Shoes - MTD 644E Operator's Manual

• With the traction control is engaged, the friction
wheel must contact the drive plate. See Figure 20.
Drive
Plate
Figure 20
If adjustment is necessary:
• Loosen the jam nut on the traction control cable
and thread the cable in or out as necessary.
• Retighten the jam nut to secure the cable when
correct adjustment is reached.
• Reassemble the frame cover.
NOTE:
If you placed plastic under the gas cap earlier,
remove it now.

Chute Assembly

The distance snow is thrown can be adjusted by
changing the angle of the chute assembly. To do so,
stop the engine by removing the ignition key and loosen
the plastic wing knobs found on either side of the
discharge chute. Pivot the chute upward or downward
before re-tightening the wing knobs.

Auger Control

Refer to Auger Control Test in the Operating Section to
adjust the auger control.

Skid Shoes

The space between the shave plate and the ground can
be adjusted. See Figure 21.
• For close snow removal on a smooth surface, raise
skid shoes higher on the auger housing.
Friction
Wheel
Gear Shaft
Gap
• Use a middle or lower position when the area to be
cleared is uneven.
Carriage
Bolts
Hex Nuts
Skid
Shoes
WARNING:
thrower on gravel as loose gravel can be
easily picked up and thrown by the auger
causing injury to the operator and/or
damage to the snow thrower.
• Adjust skid shoes by loosening the four hex nuts
and carriage bolts. Move skid shoes to desired
position.
• Make certain the entire bottom surface of skid shoe
is against the ground to avoid uneven wear on the
skid shoes. Retighten nuts and bolts securely.
Carburetor
• Minor carburetor adjustment may be required to
compensate for differences in fuel, temperature,
altitude and load.
• Refer to the separate engine manual, packed with
your unit, for carburetor adjustment information.
WARNING:
be made to the engine while the engine is
running (e.g. carburetor), keep clear of all
moving parts. Be careful of muffler, engine
and other surrounding heated surfaces.
Adjusting Shift Rod
• Remove the hairpin clip and flat washer from the
ferrule and remove the ferrule from the shift lever.
Place the shift lever in the fastest forward speed
position.
• Push down on the shift arm assembly as far as it
will go. Thread the ferrule up or down the shift rod
and align it with the hole closest to the shift knob on
the narrow side of the shift lever assembly behind
the handle panel. Refer to Figure 10.
16
Figure 21
Do not operate this snow
If any adjustments need to