packaged and stowed in
accommodating a standard grab
the
vehicle
tool
hook [116 mm (4-9/16 in) wide,
compartment for shipment.
30 mm (1-3/16 in) thick, 19.8
mm (25/32 in) throat width)] for a
(g) Air connectors for trailer
16 mm (5/8 in) chain.
The
with SAE J318 glad hand
lighting receptacle, conforming
couplers mounted at the
to SAE J560, with its conductors
rear of the vehicle, located
connected and color-coded or
to prevent interference with
number
coded,
shall
be
a trailer. Air connectors
mounted in a readily accessible
and glad hands on Type IV
location near the pintle. The
dumps shall be located to
lighting receptacle on Type IV
prevent damage during
dumps shall be located to
dumping of the cargo.
prevent damage during dumping
(h) Dummy glad hand couplers
of the cargo.
with security chains or
TRAILER BRAKE CONTROL
cables.
SYSTEM.
In addition to the components
(i)
Prime mover only parking
specified
in
3.4.11.1
and
brake valve to permit
3.4.11.1.1, a trailer brake control
mover parking brakes to be
system shall be furnished when
applied while charging the
a trailer-towing package code
trailer air brake system.
TTP is required for air brake
equipped chassis. The trailer
TWD
TRACTOR WIND DEFLECTOR
brake control system shall
When code TWD is specified, a
include:
wind deflector shall be installed
(a) Identification of emergency
or shall be furnished with the
and service lines
vehicle
for
subsequent
installation on the cab roof by
(b) Coincident control of trailer
the receiving activity.
The
brakes with prime mover
deflector shall be of molded
foot control
fiberglass reinforced plastic;
(c) Independent hand control
shall be not less than 1600 mm
for trailer brakes
(63 inches) wide; and, unless
otherwise specified, shall be of a
(d) Prime mover protection
height suitable for use with the
valve with dash control and
vehicle
cab
furnished
in
automatic
breakaway
combination with semitrailer
feature
vans having a level height of
(e) Trailer stoplight control
3810 mm (12 feet 6 inches) at
operable with foot brake
an upper fifth wheel height of
and with hand control for
1250 mm (49 inches). Mounting
trailer brakes
and support ribs and any other
components
that
require
(f)
Two SAE J844 coiled air
manufacturer installation from
hoses, not less than 2800
the inside of the cab shall be
mm (110 inches) long
installed
by
the
cab
when fully extended, with
manufacturer.
Installation
SAE J318 glad hand
openings shall be sealed to
couplers on both ends of
prevent air and water from
hoses. The hoses shall be
Page 66 of 79
to verify that this 7 4Y
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