MTD 140 Manual De Operador página 10

Lubrication
• Lubricate pivot points on the control handle and the
extension spring at the end of the clutch cable with
a light oil once every season and before storage of
the snow thrower at the end of the season.
Hardware
Check the engine and snow thrower frequently for
loose or missing hardware, and tighten or replace as
necessary.
Replacing the Drive Belt
The snow thrower's drive belt is subject to wear and
should be replaced if any signs of cracking, shredding
or rotting is present. To change the drive belt, proceed
as follows:
• Remove the belt cover from the left side of the
snow thrower's auger housing by unthreading the
five hex screws which secure it in place. Refer to
Figure 7.
• Gently grasp the idler bracket and pivot it upward to
ease tension on the drive belt. See Figure 10.
Idler Bracket
Auger Pulley
Figure 10
• While holding the idler bracket up, carefully slip the
drive belt off the engine pulley. See Figure 10.
• Carefully release the idler bracket and allow it to
pivot downward.
• Carefully slip the drive belt off the auger pulley,
freeing it from the snow thrower. See Figure 10.
• Install the replacement drive belt by following the
preceding steps in reverse order.
Engine
Pulley
Drive Belt
10
• Reattach the belt cover with the five hex screws
removed earlier.
Replacing the Shave Plate
The shave plate is subject to wear and should be
checked periodically. There are two wearing edges and
the shave plate can be reversed after one side wears
out. To replace (or reverse) the shave plate, proceed as
follows:.
NOTE: Call 1-800-800-7310 for information regarding
price and availability of Shave Plate Kit 753-0451or
contact an authorized MTD Service Dealer in your
area).
• Remove the four carriage bolts and hex lock nuts
which secure it to the snow thrower's auger
housing. Refer to Figure 9.
• Install the new shave plate (or reverse the existing
one, if both sides are not yet worn), making sure the
heads of the carriage bolts are on the inside of the
housing. The lock nuts should be on the outside of
the housing.
Adjust the shave plate as instructed in the Making
•
Adjustments section on page 9 of this manual.
• Tighten the nuts securely before operating the
snow thrower.
Replacing the Auger's Rubber Paddles
The snow thrower auger's rubber paddles are subject
to wear and should be replaced if any signs of
excessive wear is present.
Do NOT allow the auger's rubber paddles
IMPORTANT:
to wear to the point where the metal auger itself can
come in contact with the pavement. Doing so can result
in serious damage to your snow thrower.
NOTE: Call 1-800-800-7310 for information regarding
the price and availability of Rubber Paddle Kit 753-0613
or contact an authorized MTD Service Dealer in your
area).
To change the rubber paddles, proceed as follows:
• Remove the existing rubber paddles by
unthreading the self-tapping screws which secure
them to the auger.
There are two different styles of screws
IMPORTANT:
securing the rubber paddles to the auger. Note their
location for ease in reassembling.
• Secure the replacement rubber paddles to the
auger using the hardware removed earlier.