Page 95 - Driving Commercial Vehicles Manual+

driving commercial vehicles

Yes

No

Make sure you’re aligned
with the trailer before
coupling to it.

4. Back up to the trailer
Turn on four-way flashers and sound horn.

Back up slowly toward the trailer to a position directly in front of and in line
with the trailer.

❏ Tractor position • stop when the fifth wheel just touches
the trailer apron — don’t back up too far
• make sure you’re backing in a straight
line, not at an angle (if you’re on an angle,
this could push the trailer sideways and
damage the landing gear)

When you’re backing up,
stop when the fifth wheel
touches the trailer apron.

5. Check height and alignment
driving tip Set the tractor parking brakes and exit the cab.

If you need to adjust the ❏ Tractor and trailer • the centre of the trailer apron should line
trailer height:
alignment up with the centre of the fifth wheel • the
• adjust the trailer height by trailer apron should be touching the fifth
cranking the landing gear wheel directly above the fifth wheel pivot
up or down, or points — if it’s touching behind or ahead of
• raise or lower the air the pivot point, the trailer height needs to
suspension. be adjusted

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