MCi Crusader II 1989 Maintenance Manual page 362

Date
1-1-89
Page ____
1_1-_2_1 _ _
MC-9 MAINTENANCE MANUAL
17. Assemble the worm shaft preload adjusting screw (27)
into the end cover (26) a few turns. Final adjustments will be
made later.
18. Apply clean grease to the end cover 0-ring groove on
fhe end cover (26). Install the new end cover 0-ring
(24)
into the
end cover 0-ring groove (figure 11- 70).
NOTE: When lnsblthtd. the end cover O-rtng
should extend slightly above the machlnitd
surface of the end cover.
•
ii~
';;f,\
Figure 11-70. Applying Grease to O•ring Groove.
19. Make sure that the rack piston (10) teeth are fully visible
·., the sector shaft cavity of the housing. This is necessary to
.msure proper location of the poppets. and to ensur~ that the
poppet adjusting screw will contact the poppets.
20. Position the end cover (26) so that the poppet adjusting
. screw (20) is aligned with the end of the poppet
(13)
{figure
11- 71 ).
Figure 11-71. Positioning End Cover.
21. Install the four end cover bolts (30) and washers (29) and
tighten the bolts to 145-155 ft lbs. (196-210 Nm) torque (figure
11-72).
22. Grease the two new backup 0-rings (7) and the two new
Teflon seal rings (6). Using seal installation tool J267 41, assem-
ble the backup 0-rings (figure 11-73), then the Teflon seal
'ngs into the valve sleeve (5b) (figure 11-7 4).
Figure 11-72. Tightening End Cover Bolts .
Figure 11-73. Installing
O-rings.
l
I
. .
.
Figure 11-74. Installing Seal Rings.
23.
Use compression tool J26742 to compress the Teflon
seal rings (figure 11-75). Leave the compression tool in place
for 10 minutes.
NOTE:
It
you do not allow for this compres-
sion time, the valve sleeve assembly
will be
difficult to assemble into the valve housing.