TM
9-879
47-48
Section
Xlll
CLUTCH
Parograph
Description
47
Maintenance and
adjustment
48
Removal of disks
49
Inspection of disks and springs
50
Installation of disks
51
Replacement of clutch release
bearing 52
47. DESCRIPTION (fig.
21).
a.
Clutch is of
simple multiple-dry-disk type, having two steel
disks and
three
lined disks,
one of
which provides spring
action within
disk pack
to "cushion"
clutch
operation.
48. M.4INTENANCE
.4ND ADJUSTMENT
(figs. 22,
23. 24,
and
25).
a. If clutch adjustment is correctly maintained, clutch will
cause
very little trouble. Ease of gear shifting
and service
life of
trans-
mission-
gear shifter
clutch
dogs depend
largely upon full disengage-
ment
of the clutch. Clutch adjustment is in two parts; namely,
control linkage
and
spring
tension. Do not adjust clutch spring
ten-
sion before
correcting
control adjustment.
b.
Clutch Control Linkage (fig.
22).
Operation
of foot
pedal,
control
cable,
and
clutch
release
lever actuates
the push rod through
hollow
transmission shaft, disengaging
or
engaging clutch
at
will.
Correct
adjustment
to
control cable
and
release lever
must be
made
before
push rod
adjustment
is made.
0.
Clutch Control
Adjustment (figs. 23, 24. 25, and
26).
(1)
Adjusting
Cable Length. With clutch
in fully disengaged
position
(foot pedal heel down) the clutch release
lever must
clear
the
countershaft sprocket
cover stud and/or nut
by
Y-^q
inch.
Should
clutch release
lever strike sprocket
cover and nut,
clutch push
rod
movement
is
restricted,
and
clutch
cannot be fully disengaged. Length
of control cable
must be
adjusted
to obtain
Yn^-inch
clutch
release
lever
and sprocket cover stud and/or
nut
clearance.
To lengthen
or
shorten
clutch control cable, cable
adjustable end must
be
removed
from
foot
pedal stud
(figs.
23 and
24).
With foot
pedal
in
for-
ward
(roe down) position,
remove
cotter pin and
washer retain-
ing cable
end. Release other
end
of cable
from
notch
in clutch re-
lease
lever
by pressing release lever
inward and
lifting cable
end
out
of notch.
Rock
the
foot
pedal
to rear (heel down)
position
and
work
cable adjustable
end
off
foot
pedal
stud.
Loosen
lock nut
and
turn
cable end
to right (clockwise)
to
shorten cable; turn
to left
(counter-
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