SAF-HOLLAND XL-FW10025OM 17 Series Fifth Wheel - Manual (Page 13)

13 XL-FW10025OM-en-US Rev A 08-10 Amendments and Errors Reserved. © SAF-HOLLAND, Inc.
Maintenance Procedures
11. Fifth Wheel Adjustment
Fifth wheel adjustment should be checked
at a minimum of every 60,000 miles or if
excessive movement between kingpin and
fifth wheel is noticed when driving the
vehicle.
Failure to maintain proper
fifth wheel adjustment
could result in loss of
vehicle control which, if not
avoided, may result in
death or serious injury.
1. If fifth wheel is locked, slide release
handle forward and pull all the way
out (Figure 20). If air release
equipped, actuate fifth wheel control
valve to open lock.
2. Set lock tester on fifth wheel top
plate .
3. To lock fifth wheel, rotate handle on
lock tester clockwise (Figure 21).
4. Slide the lock tester forward and
backward in the closed lock to check
for play between lock and kingpin.
Ensure that the tool remains flat with
full contact on the fifth wheel top
plate. Use pin gage to measure free
play. If free play exceeds 0.080”.
adjust lock mechanism (Figure 22).
Figure 20
Figure 21
IMPORTANT: Excessive movement
between the tractor and
trailer can effect vehicle
handling.
NOTE: To obtain proper fifth wheel
adjustment SAF-HOLLAND
recommends use of Holland lock
tester Part No. TF-TLN-5001,
available from your local Holland
distributor.
PU
LL O
UT ALL
THE WAY
SLI
DE
FO
RWA
RD
Figure 22