Operation instructions, Uncoupling – SAF-HOLLAND XL-FW487 Yard Spotter Series XA-351-03505 & XA-351-UB Fifth Wheels User Manual
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SAF-HOLLAND, Inc. XL-FW487 Rev B
OPERATION INSTRUCTIONS
continued
Uncoupling
1. Position yard spotter tractor and trailer on firm, level ground clear of obstructions and
people.
2. Set trailer brakes, lower fifth wheel until the trailer landing gear touch the ground.
Set tractor brakes.
3. Chock trailer wheels. Disconnect trailer air supply and electrical connection.
4. If the manual secondary lock was engaged, remove the hairpin clip on the secondary
lock handle, pull the secondary lock handle outward to disengage the secondary
lock. While holding the handle out, re-insert the hairpin clip into the hole in the
handle. (See Figure 5.)
5. Actuate the fifth wheel
control valve and hold it in
to open the locks.
6. While holding the lock
control valve in, slowly pull
out from the trailer.
7. After driving completely
free of the kingpin, release
the lock control valve.
Figure 5
Manual
secondary
lock handle
Secondary lock
disengaged
Fifth wheel locks open
Insert hairpin
clip here