F-1031, Section 4307
Page 10 of 12
Installing the Lower Section of Case to Mid-Section
1.
Install lower shift shaft bushing (T112) into lower portion of case assembly
(T28).
2.
Install dowels (T31) in flange of the mid-section portion of the case (T28).
3.
Apply a bead of silicone inside the bolt pattern of the mid-section flange
(T28).
4.
Position lower section of the case (T28) to the mid-section of the case,
align shift shaft and lower shift shaft bushing and set into place. Align with
dowels (T31) and tap into position until flanges of the mid-section and
lower section meet. Install cap screws (T93), bolts (T52), lockwashers
(T53) and nuts (T69) and tighten securely. See table in service parts list
for location of fasteners.
5.
Install lower cap screws (T8 - before 5/06/04) or (T241 - after 5/06/04)
and lockwashers (T9) in drive shaft housing (T11) and tighten these fas‐
teners and previously installed fasteners.
Shift Collar Travel Adjustment
1.
If shift collar adjustment is required, remove previously installed adjust‐
ment screw retainers (T87).
ROAD Adjustment
2.
Put case into ROAD position. Measure the distance from the face of the
collar (T4) to the flange that the coupling shaft housing bolts to. Adjust
ROAD adjustment screw (T86) to set measurement at 3/4”.
PUMP Adjustment
3.
Put the case into PUMP position. Measure the distance from the face of
the collar (T4) to the flange that the coupling shaft housing bolts to. Adjust
PUMP adjustment screw (T86) to set measurement at 2-1/16”.
4.
Apply a dab of grease to slots in the shaft adjustment screws (T86) and
install adjustment screw retainers (T87). If equipped with a manual pump
shift, install shift cover gasket (T56) and shift cover (T55).
NOTE: Grease on adjustment screw (T86) will help keep the adjust‐
ment screw retainers in place until an appropriate cover or shift unit
is installed.
Installing the Coupling Shaft and Housing Assembly to the Case
NOTE: The drive line assembly was factory shimmed to limit the axial
float of the drive line. If any of the drive line parts have been changed, it
may be necessary to change the total thickness of shims (T41) between
the coupling shaft housing (T42) and the transmission case. Shims are
color coded for thickness as follows:
.005” = blue
.007” = natural
.010” = brown
The correct thickness of shims can be determined as follows:
1.
Install previously assembled coupling shaft and housing assembly (T42)
with no shims between the housing and case. Tighten cap screws evenly
and tap the end of the coupling shaft with a soft mallet to force drive line
all the way forward.
NOTE: Do not overtighten cap screws. Doing so could cause inaccu‐
rate float measurement or damage to components.
2.
Measure gap between housing and case in several places to assure a
uniform gap and add .005 - .010 in. This will be the total thickness of
shims needed to provide the recommended axial float of 0.005 in - 0.010
in.
3.
Remove coupling shaft assembly from case after measuring gap.
NOTE: Field conditions may make it difficult to determine the correct
amount of shims. If in doubt, add another 0.005 in shims. No harm
will result from a small amount of additional axial float but bearing
life will be shortened if bearings are excessively preloaded.
4.
Install correct amount of shims on the coupling shaft housing (T42) or if all
original parts are being reused, reinstall original shims (T41) (if not reus‐
able, replace with new shims). Install the coupling shaft assembly. If the
unit is equipped with a parking brake, make sure the coupling shaft hous‐
ing (T42) is properly orientated so that the drain tube (T85) will point down
when the case is reattached to the pump. Tighten housing to case (T74)
with cap screws (T8 - before 5/05/05) or (T241 - after 5/06/04).
Summary of Contents for Y Series
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