Pull test, Coupling procedures (con’t), Wrong – SAF-HOLLAND XL-FW306-01 3500 INCLUDES AIR RELEASE User Manual
Page 2
COUPLING PROCEDURES (con’t):
➠
➠
PULL FORWARD WITH TRACTOR
PULL TEST
FIFTH WHEEL
WILL NOT LIFT
TRAILER
Wrong
OK
FIFTH WHEEL
MUST LIFT
TRAILER
➠
➠
FIFTH WHEEL
TILTED DOWN
4"- 6"
USE LOW
GEAR
NUT AND WASHER SNUG
AGAINST FIFTH WHEEL
LOCKS COMPLETELY
CLOSED AROUND
KINGPIN
➠
NO GAP!
USE
LOW
GEAR!
SECURE
CRANK
1
2
3
TRAILER BRAKES
LOCKED
2
XL-FW306-01
The coupling procedure is not
complete without a visual inspection.
You must get out of the tractor and verify that the fifth
wheel is properly coupled to the kingpin as shown below.
If you do not obtain a proper couple,
repeat the coupling sequence. Do not
use any fifth wheel that fails to operate properly.
7. Chock trailer wheels.
8. Connect brake lines and light cord.
9. Support slack in lines to prevent
interference.
10. Set trailer brakes.
11. Adjust trailer height so fifth wheel
will lift trailer. Trailer should contact
fifth wheel 4˝ - 6˝ behing fifth wheel
bracket pin.
12. Slowly back into trailer.
13. Do a pull test.
14. Visual inspection.
Get out of the tractor.
Visually check that
the lock is closed.
15. Retract landing gear until
pads come off the fround.
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.