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4. Yoke Installation
1.
Lubricate tips of the yoke with a water-resistant lithium-
based grease (Figure 6).
2.
With the fifth wheel top plate upside down and the
threaded hole of the yoke facing up, slide the yoke into
the top plate casting (Figure 6).
3.
Lubricate the inside tube of the spring block with a
water-resistant lithium-based grease (Figure 7).
4.
Set the spring block into place, ensuring the angled
end of the spring block is facing toward the top face
of the top plate casting (Figure 7). Start two (2)
M12 x 1.75 x 40 mm hex head cap screws to hold the
spring block in position.
5.
Install the yoke spring over the spring block tube, as
illustrated in Figure 8.
6.
Finish securing the spring block by tightening the hex
head cap screws, alternating back and forth, until each is
torqued to 80 ft-lb. (108 N•m) (Figure 8).
7.
Slide the yoke shaft, through the spring block and yoke
spring, into the yoke. Align the recessed hole in the yoke
shaft with the threaded hole in the yoke (Figure 8).
XL-FW20130RM-en-US Rev C · 2022-01-03 · Amendments and Errors Reserved · © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, SAF,
and logos are trademarks of SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Figure 6
THREADED HOLE
FACING UP
YOKE
Figure 7
SPRING BLOCK
ANGLED END OF SPRING BLOCK
FACING TOP FACE OF CASTING
Figure 8
THREADED
HOLE OF
YOKE
YOKE
SPRING
TIGHTEN ALTERNATELY
BACK AND FORTH
Rebuild Procedures
LUBRICATE
YOKE TIPS
LUBRICATE INSIDE OF
SPRING BLOCK TUBE
M12 x 1.75 x 40 mm
HEX HEAD CAP SCREWS
YOKE SPRING INSTALLED
OVER SPRING BLOCK TUBE
INSTALL YOKE
SHAFT INTO YOKE,
ALIGNING HOLES
YOKE SHAFT
9
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