Specifications

95
Driver-Controlled Main Differential Lock
MAINTENANCE MANUAL
9. Lubricate the O-ring with axle lubricant. Install
the O-ring into its groove on the piston. Care-
fully install the piston into the air cylinder. Fig-
ure 6.28. Do not damage the O-ring.
10.Install the cylinder into the housing bore.
Verifythatthepilotjournalonthepistonis
against its bore on the shift shaft. Figure
6.29.
11. Install the copper gasket, if used, into its
bore on the inside of the cylinder cover.
Place the cover into position over the cyl-
inder so that the air intake port will point
up when the differential is installed into the
housing. Install the cover with the four at-
taching capscrews and washers. Tighten
the capscrews to 4-6 lb-ft (5.5-8.5 N m).
Figure 6.30.
.
12. Apply a bead of silastic sealant, Meritor part
number 1199-Q-2981, to the cylinder and
differential house.
13. Slide the shift collar into the fork and en-
gage the shift collar splines with the splines
of the differential case. Use the manual ac-
tuation capscrew to move the shift collar
splines onto the differential case splines.
See Section 6.
14. Hold the shift collar in the locked or en-
gaged position and tap in the two roll pins
in the shift fork ends until they are even with
the outer fork faces. Figure 6.31.
15. While the shift collar is still in the locked
position, place the sensor switch, with the
locknut loosely attached, into its hole.
MANUAL
ACTUATION
CAPSCREW
SHIFT SHAFT
VERSIÓN FIJADA POR TORNILLOS
AIR
CYLINDER
PISTON AND O-RING
Installatwasherorapply
silastic sealant.
Figure 6.28
FIXED CAPSCREW VERSION
CYLINDER
AND PISTON
SHIFT SHAFT
PILOT
Figure 6.29
Figure 6.30
CYLINDER
COVER
CAPSCREW
4-6 LB-FT
(5.5-8.5N•m)
APPLY SILAS-
TIC SEALANT
Figure 6.31
FIXED CAPSCREW VERSION
SHIFT COLLAR
SHIFT FORK