Maintenance procedures – SAF-HOLLAND XL-FW10049OM AL Aluminum NoLube Series Fifth Wheels User Manual

Page 17

Advertising
background image

17

XL-FW10049OM-en-US Rev A 11-10 Amendments and Errors Reserved. © SAF-HOLLAND, Inc.

Figure 30

Maintenance Procedures

6. Verify

the

proper

adjustment by lock-

ing and unlocking fifth wheel several
times with lock tester (“Step 3 previ-
ous page). Check that fifth wheel is
properly locked (Figure 30).

7.

Rotate lock tester from side-to-side to
ensure that lock is not overtightened.
Lock should not grip kingpin and the
tool should rotate freely (Figure 31).

8.

Disengage lock tester J-hook from
front skirt of casting and re-check for
free play in lock by sliding lock tester
forward and backward using pin gage
to measure free play (Figure 31).
Free play should be 0.040” minimum.
If free play still exceeds 0.080”
repeat procedure and adjust one
more notch.

9.

To unlock, push down on lock tester,
and rotate “J” hook under the fifth
wheel, then pull handle back.

NOTE: If there is still excessive free play in
the locks with the adjuster pin on
the last (third) notch, then the fifth
wheel should be rebuilt using the
appropriate SAF-HOLLAND service
kit.

ROTATE TOOL TO
CHECK FOR OVER
ADJUSTMENT

LOCK
COMPLETELY
CLOSED AROUND
KINGPIN

Figure 31

NOTE: If the screw cannot be removed,
remove the retaining ring from the
bottom of the adjustment pin, then
lift and rotate the pin to the next
notch. Re-install the retaining ring.

SLIDE TOOL AND CHECK
FOR FREE PLAY BETWEEN
LOCKS AND KINGPIN

LOCK NOTCH
BEHIND RIB

Advertising