TM-9-2320-285-24-2
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-2 - Page 558 of 698
TM 9-2320-285-24-2
4-4.
TRANSMISSION (CONT)
f. First Clutch Assembly (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION
6
Gear (1)
a.
Hub (2)
Install
b.
Internal snap
Install
ring (3)
7
Trans-
a.
Assembly con-
Install
mission
sisting of
gear (1),
hub (2), and
internal snap
ring (3)
b.
Six plates (7)
Install
and six new
discs (6)
c.
Plate (5)
Install
d.
Internal snap
Install
ring (4)
8
First
Clearance between
Measure
clutch
internal snap
clearance
ring (4) and
check
plate (5)
If removed earlier
If removed earlier
Be sure that splines on hub
(2) engage splines on low
sun gear in adapter housing.
Also be sure that thrust
washer is properly posi-
tioned on hub of adapter
housing
Soak discs (6) in clean trans-
mission fluid for at least
two minutes before install-
ation.
Install plates (7)
and discs (6) alternately,
as shown in exploded view
Flat side first
Use first clutch gage, as
shown.
If the correct clear-
ance of 0.074-0.147 inch is
achieved, first step of gage
will fit, second step won’t.
If clearance isn’t correct;
remove discs (6) and plates
(7) and measure total thick-
ness.
Replace any or all
plates (7) to achieve cor-
rect clearance.
Thinner and
thicker plates (5) are also
available
4-77
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