31–00 Safety Precautions
Safety Precautions in this section apply to all
procedures within this group.
DANGER
When working on the vehicle, shut down the en-
gine or motor, set the parking brake, and chock
the tires. Before working under the vehicle, always
place jack stands under the frame rails to ensure
the vehicle cannot drop. Failure to follow these
steps could result in serious personal injury or
death.
31–01 Fifth Wheel Inspection
WARNING
All fifth wheel maintenance, adjustment, and re-
building must be done only by a qualified me-
chanic. Improper or incomplete procedures could
result in a possible disengagement of the trailer
from the tractor, which could result in personal
injury or property damage.
Parts are under spring compression. Wear safety
goggles while servicing the fifth wheel. Failure to
do so can result in personal injury, due to parts
ejecting with force.
WARNING
All fifth wheel maintenance, adjustment, and re-
building must be done only by a qualified me-
chanic. Improper or incomplete procedures could
result in a possible disengagement of the trailer
from the tractor, which could result in personal
injury or property damage.
Parts are under spring compression. Wear safety
goggles while servicing the fifth wheel. Failure to
do so can result in personal injury, due to parts
ejecting with force.
Holland FW35
1.
Disconnect the tractor from the trailer. For in-
structions, see the vehicle Driver’s/Operator’s
Manual.
2.
Thoroughly steam clean all fifth wheel compo-
nents before inspection.
3.
Check for cracks in the fifth wheel assembly,
mounting brackets, and mounting parts.
4.
Check the fastener torques on the fifth wheel
assembly and fifth wheel mounting. Tighten bolts
and nuts as needed. Replace missing or dam-
aged bolts.
5.
Inspect the fifth wheel for bent, worn, damaged,
and missing parts; replace them as needed with
genuine Holland parts.
6.
Using a Holland Kingpin Lock Tester (Holland
tool number TF-TLN-5001, available through the
PDCs as HLD TFTLN5001), check the operation
of the locking mechanism by opening and closing
the locks. See
7.
After inspecting the fifth wheel, lubricate all mov-
ing parts with a chassis or multipurpose grease.
See
MOP 31–02
in this manual for lubrication
instructions.
Fontaine
1.
Disconnect the tractor from the trailer. For in-
structions, see the vehicle Driver’s/Operator’s
Manual.
04/11/2011
f310887
A
B
A. The nut and washer should be snug against the fifth
wheel.
B. The locks should be completely closed around the
kingpin.
Fig. 1, Holland Fifth Wheel Properly Closed
Frame and Frame Components
31
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