Operating instructions, Coupling procedures (con’t.), Uncoupling procedures – SAF-HOLLAND XL-FW421-02 XA-201-A-80-L Air Release User Manual
Page 3
8. Disconnect brake lines and light cord. Attach
brake line to dummy coupling to keep line clean.
9. Actuate the fifth wheel control valve to open
the locks.
10. Slowly pull out from the trailer.
IF MANUAL RELEASE IS REQUIRED, FOLLOW
INSTRUCTIONS BELOW:
Release tractor brakes and slowly drive away
from the trailer. Let the trailer slide down the
fifth wheel and pick-up ramps, being careful
that the trailer landing gear touch the ground
with minimal impact.
NOTE: It is
normal after
uncoupling for
the release
handle to come
off the unlock
notch and move
to a “ready to
couple” position.
1. Position tractor and trailer on firm, level
ground clear of obstacles and persons.
2. Set trailer brakes.
3. Slowly back tractor tightly against trailer.
4. Set tractor brakes.
5. Chock trailer wheels.
6. Lower landing gear until pads just touch the
ground.
7. Switch to low gear and crank an additional 4-
8 turns. Do not raise trailer off the fifth wheel.
USE
HIGH
GEAR
3
OPERATING INSTRUCTIONS
Coupling Procedures (con’t.)
15. Retract landing gear until pads come off the
ground.
16. Switch to high gear, fully retract and secure
crank handle.
17. Re-check brake lines and light cord. Remove
wheel chocks, continue with pre-trip inspection.
OPERATING INSTRUCTIONS
Uncoupling Procedures
XL-FW421-02