MAINTENANCE MANUAL - Meritor
MAINTENANCE MANUAL - Meritor
MAINTENANCE MANUAL - Meritor
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Removal Inter-Axle Differential Lock<br />
IAD Shift Unit<br />
Air Applied and Spring Release Models,<br />
Standard.<br />
1. Remove the cylinder.<br />
A.For flange-type cylinders, remove the capscrews<br />
that fasten the cylinder to the cage off<br />
differential . Remove the cylinder.<br />
B. For threaded cylinders, remove the cylinder.<br />
ADJUSTING BOLT<br />
COLLAR<br />
JAM NUT<br />
FORK<br />
SHIFT<br />
SHAFT<br />
SPRING<br />
2. Remove the piston from the shift shaft.<br />
Figure 3.38.<br />
3. Remove the shift shaft from the cage of differential.<br />
When you remove the shift shaft,<br />
the fork and the spring may fall.<br />
• If the shift shaft cannot be removed by hand:<br />
Remove the adjusting bolt and jam nut. Place<br />
a brass drift through the adjusting bolt hole<br />
against the rear of the shift shaft. Use a hammer<br />
on the brass drift to remove the shift<br />
shaft. Inspect the shift shaft for damage.<br />
4. From the input shaft bore, remove the collar<br />
and fork.<br />
5.If necessary, remove the jam nut and the<br />
adjusting bolt.<br />
Spring Applied and Air Release Models, Reverse<br />
Shifter<br />
1. Remove the four capscrews that fasten the<br />
shift cylinder cover to the cage of differential.<br />
2. Remove the two capscrews and washers that<br />
fasten the cover to the shift cylinder. Remove<br />
the cover and spring. Figure 3.39.<br />
<strong>MAINTENANCE</strong> <strong>MANUAL</strong><br />
O-RING<br />
BOLT-ON DCDL<br />
COVER CAPSCREW<br />
PISTON<br />
SCREW-IN DCDL<br />
COVER<br />
FigurE 3.38<br />
Removal and Disassembly<br />
BOLT-ON DCDL REVERSE SHIFTER<br />
“E” CLIP<br />
SLOT”<br />
Figure 3.39<br />
3. Remove the small snap ring from the cover<br />
end of the shift shaft.<br />
4. Remove the cylinder assembly from the shaft<br />
5. Rotate the shift shaft until the “E” clip ahead<br />
of the shift fork is at approximately the five<br />
o’clock position. Figure 3.40.<br />
“E” CLIP BASE ROTATED TO<br />
THE 5 O’ CLOCK POSITION<br />
O-RING<br />
SHIFT SHAFT<br />
O-RING<br />
O-RING<br />
“E” CLIP<br />
REMOVED<br />
Remove “E”clip from shaft before<br />
reverse shifter removal<br />
SHIFT CYLINDER<br />
SPRING<br />
SMALL<br />
SNAP RING<br />
PISTON<br />
COVER<br />
Figure 3.40<br />
6.With the “E” clip base in the five o’clock position,<br />
use needlenose vise grips or equivalent<br />
to remove the “E” clip.<br />
7. Remove the shift shaft from the differential.<br />
When you remove the shaft, the fork may fall.<br />
8. Remove the piston from the shift cylinder. Inspect<br />
the O-rings for wear and damage. Replace<br />
the O-rings, if necessary.<br />
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