International Harvester Company 75 Operator's Manual page 14

ADJUSTING AND OPERATING
ADJUSTING
MOWER DRIVE
V-BEL T
8.
Raise the mower to the maximum lift position
and turn the wheels a full right and full left. If theclearan
between the mower housing and the tires
is less than 1/8-inch, the mower shou Id be moved
back slightly to give clearance.
To
adjust the mower proceed as follows:
CAUTION! Stop the engine, disconnect
the high tension wire to the spark plug,
and lock the brake before working on
the machine.
REPLACING MOWER DRIVE V-BELT
1. Place the mower height control lever in the
lowest position.
CAUTION! Stop the engine, disconnect
the high tension wire to the spark plug,
and lock the brake before working on
the machine.
2.
Engage the mower clutch.
3.
Put a pencil line on the mower housing in front
of the mower front mounting brackets.
4.
Adjust the mower forward by loosening bolts
"c" on the front mounting brackets and sliding the
mower forward until the distance between the
backsides of the belt is 1-1/2-inch at "D".
NOTE: Substitute belts may not be satisfactory.
Use only specified replacements. See your Inter-
national Harvester dealer.
Place the mower height control lever in the lowest
position and disengage the mower clutch control.
NOTE: The mowe. should be moved forward an
equal distance on cach side (approximately
1/4-inch),
Detach the front of the mower from the lift
assembly to facilitate removal of the belt from the
mower-crankshaft pulley and the mower drivepulley.
5.
Retighten bolts "C".
When
installing a new belt be sure to place belt in
the upper groove of the mower drive pulley (on the
deck) and in the lower groove of the mower-
crankshaft pulley.
6.
Reconnect the high tension wire to the spark
plug.
7. Place the mower lift handle in the third position
from the bottom. Start the engine and slowly
engage the mower clutch control. Then, disengage
and check to make sure mower declutches pro-
perly. If mower clutch control does not declutch,
shut off the engine, detach the spark plug wire, and
check position of belt guides See page 14. If it still
will not declutch, move mower backward 1/16-
inch.
NOTE: When installing a new belt, make certain
that the belt runs between the pulleys and the belt
guides on the mower drive pulley and the mower-
crankshaft pulley. Otherwise a ruined belt will
result, thus requiring early replacement.
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