TM-5-2330-378-14-P
SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1
TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
JUNE 1999
TM-5-2330-378-14-P - Page 55 of 524
TM 5-2330-378-14&P
2-10. AFTERUSE(continued).
CAUTION
•
When loading or unloading
over the front of the trailer, the terrain
must allow full
ground
contact across front edge of gooseneck
before loading begins.
Failure to
have full ground
contact
across front edge of gooseneck
prior to loading
or
unloading
will cause damage to semitrailer
and void the warranty.
•
To prevent damage to the equipment,
uncoupling
should
be done by two people,
one to operate the towing vehicle and the other to operate the winch. Towingvehicle
should
not be left unattended
with engine running.
•
When uncoupling
on soft ground
or rough terrain, towing vehicle
may not roll
forward
as winch
cable is released.
It will be necessary
to move towing
vehicle
forward
each time more winch cable Is released.
Do not release too much cable
before moving
towing
vehicle forward
because gooseneck
may damage towing
vehicle taillights
or towing
pintle.
5.
Unlock fifth wheel (11) from semitrailer kingpin (12).
6.
Release enough winch cable (4) to allow towing vehicle (113)to roll forward until semitrailer landing pads
(14) touch the ground.
7.
Continue to release winch cable (4), and allow towing vehicle to roll forward as gooseneck (15) extends
fully and reaches ground position.
13
11
4
15
VIEW LOOKING UP
14
12
2-26
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