Avoid excessive force during installation.
Do
not use
tools
to pry belt into pulley groove.
Do not roll
belt
over pulleys to install. This can cause hidden
damage and premature belt failure.
1.
Flanged hex locknut
2.
Locknut
3.
Adjustment bolt
4.
Belt
Figure
14.
Belt Replacement and Adjustment
ALIGNMENT:
It is important that the
belt
straight
off
of the blade spindle pulley
figure
15.
Inside edges of belt are lined up with pulley
in
correct installation. In
incorrect installation
illustration, the belt edge rubs the pulley which will
cause belt wear and/or belt
roll
over.
TENSION:
Refer to figure
14.
lighten belt adjust-
ment bolt
(3)
until the belt section between the left
side of the drive pulley
.and
left idler pulley can
be
deflected approximately
with thumb pressure.
Rotate pulley by hand until belt makes two
revolutions and recheck tension. When proper
tension is set, tighten all four nuts
(1)
and tighten
locknut
(2)
on adjustment bolt
(3).
CORRECT
-.-
Belt replacement is accomplished in these steps:
1
INCORRECT
I
REMOVAL:
Loosen all four nuts
figure
14,
two
turns. Loosen locknut
(2)
on adjustment bolt
(3).
Loosen adjustment bolt and slide spindle support
to
the rear and remove
belt
(4).
INSTALLATION:
Install new belt over blade spindle
pulley, route under idler pulleys leaving a
1/4
twist
between spindle pulley and each idler pulley. Route
over drive pulley leaving a
1/4
twist between each
idler pulley and the drive pulley.
1.
Spindle pulley
2.
Idler pulley
3.
Belt
3
Figure
15.
Belt Adjustment
NOTES
20
(1 0-89)
Summary of Contents for RM752A
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