FIFTH
WHEELS
XL-FW313-01 Rev C
1
GO THE DISTANCE.
HITCH
OPERATING AND
MAINTENANCE PROCEDURES
XA-3501-03505 Series
Yard Spotter Fifth Wheel Top Plates
FIGURE 1
FIFTH WHEEL TILTED DOWN
FIFTH WHEEL
MUST LIFT
TRAILER
➠
➠
4˝- 6˝
USE LOW GEAR
FIGURE 2
SAFETY INSTRUCTIONS
1. Failure to read, understand, and follow the
important information contained herein may
result in a hazardous condition, or cause a
hazardous condition to develop.
2. Relative to tractor-trailer operations, there are
other checks, inspections, and procedures not
listed here, which are necessary, prudent,and/or
required by law. The following is in addition to
these and pertains to the fifth wheel only.
3. Perform these procedures in an area clear of
obstacles and other personnel.
CHECK EQUIPMENT PRIOR TO USE
1. Make sure the fifth wheel is properly lubricated.
2. Make sure the secondary lock is disengaged.
(See
FIGURE 1
).
3. Make sure the fifth wheel locks are open.
4. Make sure the fifth wheel ramps are tilted down
as shown in
FIGURE 2
.
COUPLING
1. Back up close to the trailer, centering the king-
pin in the throat of the fifth wheel.
STOP
. Set
tractor brakes.
2. Block the trailer wheels, connect brake lines and
set trailer brakes.
3. Check to see that the trailer is at the proper
height for coupling. (The front of the bolster
plate should contact the fifth wheel approxi-
mately 4˝ to 6˝ behind the fifth wheel’s pivot
point. If not, raise or lower the fifth wheel and,
if necessary, the trailer landing gear, to obtain
this position.)
continued
Manual
secondary
lock handle
Secondary lock
disengaged
Fifth wheel
locks are
open
