(3) Install case and bolt together using all bolts.
(4) Rotate input shaft and mainshaft to seat bear-
ings.
(5) Screw Stud 8161 into the case and set up dial
indicator on the end of the mainshaft (Fig. 113).
(6) Zero the dial indicator, then push up on the
input shaft and record the end play reading. If there
is no end play, a thinner shim must be installed
behind the input shaft bearing cup in the front
adapter. Install .010 in. thinner shims until an end
play is obtained.
(7) Once an end play reading is obtained, add .002
in. to the reading.
(8) Install shim(s) behind the input shaft bearing
cup in the front adapter.
COUNTERSHAFT BEARINGS PRELOAD
(1) Install countershaft with original shim into
adapter.
(2) Install case and bolt together using all bolts.
(3) Rotate countershaft to seat bearings.
(4) Screw Stud 8161 into the case and set up dial
indicator on the countershaft (Fig. 114).
(5) Zero dial indicator and record end play. If there
is no end play, install .010 in. thinner shim until an
end play is obtained.
(6) Once an end play reading is obtained, add end
play number to the shims in the transmission.
(7) Install shim(s) behind the countershaft bearing
cup in the front adapter.
Fig. 113 MAINSHAFT
1 - DAIL INDICATOR
2 - MAINSHAFT
Fig. 114 COUNTERSHAFT
1 - DIAL INDICATOR
2 - COUNTERSHAFT
ZB MANUAL TRANSMISSION - T56 21 - 35
MANUAL TRANSMISSION - T56 (Continued)
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