And Adjustment - Holland FW0070 Installation, Operation And Maintenance Manual

Maintenance Procedures
15. Sliding Mechanism
Inspection and Adjustment
1. Adjustment of locking plungers:
a. Loosen locknut and turn adjusting bolt
(counter clockwise) (Figure 23).
b. Disengage and engage the locking
plungers. Check that the plungers
are securely seated without binding.
Turn adjusting bolt in (Clockwise)
until it contacts the rack. Turn
adjusting bolt an additional 1/2 turn,
then tighten the locking nut securely.
2. When locking plungers won't release to
permit sliding of fifth wheel:
a. Check the air cylinder for proper
operation and replace if necessary.
b. Check the plunger adjustment.
c. If adjusted plunger binds on the
pocket (Figure 24), grind the top
plunger edges 1/16", reinstall and
adjust as above. Use a HOLLAND
TF-TLN-2500 Spring Compressor to
remove and reinstall the plunger.
3. When locking plungers are too loose:
a. Check plunger adjustment.
b. Check the plunger springs for proper
compression. Replace if necessary.
c. Check for plunger wear and replace
if necessary. Use a HOLLAND
TLN-2500 Spring Compressor to remove
and reinstall the plungers. Adjust the
plungers as described above.
Proper adjustment of the
sliding bracket locking
plungers MUST be
performed at installation
and maintained at regular
intervals by use of the
adjusting bolts provided on
both sides. Proper adjustment
is required for proper
operation and for proper load
transfer and distribution.
20
Figure 23
Figure 24
®
TF-
®
XL-FW482 Rev C · 2016-07-05 · 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.
BRACKET CAP
RACK
PLUNGER PLUNGER ADJUSTMENT BOLT
CHECK FOR POSSIBLE
INTERFERENCE
PLUNGER