Maintenance procedures, Adjustment – fifth wheel slide mechanism – SAF-HOLLAND XL-FW421-02 XA-201-A-80-L Air Release User Manual
Page 8
1. Loosen lock nut and turn the adjustment bolt
out (counter-clockwise).
2. Disengage and engage the locking plungers.
Verify that plungers have engaged properly,
as shown.
3. Now tighten adjustment bolt until it contacts
the rack.
4. Turn the adjustment bolt clockwise an
additional 1/2 turn, then tighten the lock
nut securely.
5. If plungers do not release fully to allow fifth
wheel to slide:
a. Check the air cylinder for proper operation.
Replace if necessary.
b. Check plunger adjustment as explained
above.
c.
If a plunger is binding in the plunger
pocket, remove the plunger using a
Holland TF-TLN-2500 spring compressor.
Grind the top edges of the plunger 1/16˝,
as shown. Re-install and adjust the
plungers as explained above.
6. If the locking plungers are too loose:
a. Check plunger adjustment as explained
above.
b. Check plunger springs for proper
compression. Replace if necessary.
c.
Check for plunger wear, and replace if
necessary.
After inspection and adjustment, relubricate all
moving parts with a light, rust resistant oil.
LOCK NUT
ADJUSTMENT
BOLT
RACK
LOCKED
(ENGAGED)
RACK
1/16˝
CHECK FOR POSSIBLE
INTERFERENCE
8
UNLOCKED
(RELEASED)
RACK
MAINTENANCE PROCEDURES
Adjustment – Fifth Wheel Slide Mechanism
Copyright © May 2003 • The Holland Group, Inc.
HOLLAND USA, INC.
1950 Industrial Blvd. • P.O. Box 425 • Muskegon, MI 49443-0425 • Phone 888-396-6501 • Fax 800-356-3929
www.thehollandgroupinc.com
Holland USA, Inc. Facilities:
Denmark, SC
Muskegon, MI
Dumas, AR
Warrenton, MO
Holland, MI
Wylie, TX
Ph: 888-396-6501
Fax: 800-356-3929
Holland International, Inc.
Holland, MI
Phone:
616-396-6501
Fax:
616-396-1511
Holland Equipment, Ltd.
Norwich, Ontario • Canada
Phone:
519-863-3414
Fax:
519-863-2398
Holland Hitch Western, Ltd.
Surrey, British Columbia • Canada
Phone:
604-574-7491
Fax:
604-574-0244
Holland Hitch of Canada, Ltd.
Woodstock, Ontario • Canada
Phone:
519-537-3494
Fax:
800-565-7753
Power adjustment of locking
plungers must be performed
at regular intervals and is required for proper
operation and load transfer and distribution.
XL-FW421-02