3-1.5
Elec tri cal
The only elec tri cal op er a tion re quired of the
op er a tor is in ter con nec tion of the tow ing ve hi cle
elec
tri
cal ca
ble plug with the semitrailer elec
tri
cal
receptacle.
It is nec
es
sary that the trac
tor blue wire be
con nected to the ap pro pri ate elec tri cal source on
the trac tor.
3-1.6
Hy drau lic
Most con
trols are lo
cated on the driver’s side
of the trailer. A hy drau lic pump must be cou pled to
the trailer hy drau lic sys tem, or the op tional hy drau -
lic en
gine pack
age started, be
fore any hy
drau
lic
con trols can func tion. The hy drau lic sys tem is de -
signed to op
er
ate at 2500 psi max
i
mum pres
sure
and ap prox i mately 17 gpm flow capacity.
3-2
HY DRAU LIC CON TROLS
3-2.1
5TH WHEEL TILT LE VER
The
5TH WHEEL TILT LE VER
is the for ward
most le
ver lo
cated
on the driv
ers side of the
semitrailer un der the outer frame beam.
(See Fig -
It has three po si tions:
UP
In this po
si
tion, the front end of the
semitrailer raises to the load po si tion.
CEN TER
This is the neu
tral po
si
tion. The
semitrailer stays in its cur
rent po
si
-
tion.
DOWN
In this po
si
tion, the front end of the
semitrailer low ers to the trans port po -
si tion.
3-2.2
DOCK LEG CURB SIDE CON TROL LE -
VER
The
DOCK LEG CURB
SIDE CON
TROL LE
-
VER (See Fig ures 3-1 and 3-2)
is the con trol sec -
ond back from the front with three po si tions:
UP
In this po si tion, the curb side dock leg
lifts the trailer on the curb side of the
trailer.
CEN TER
This is the neu tral po si tion.
DOWN
In this po si tion, the curb side dock leg
low ers the trailer on the curb side of
the trailer.
3-2.3
DOCK LEG STREETSIDE CON
TROL
LE VER
The
DOCK LEG STREETSIDE CON TROL LE -
VER
is the con trol third
back from the front with three po si tions:
UP
In this po
si
tion, the streetside dock
leg lifts the trailer on the streetside of
the trailer.
CEN TER
This is the neu tral po si tion.
DOWN
In this po
si
tion, the streetside dock
leg low
ers the trailer on the
streetside of the trailer.
3-2.4
AXLE CON TROL LE VER
The
AXLE CON
TROL LE
VER (See Fig
ures
is the con
trol fourth back from the
front with three po si tions:
UP
In this po si tion, the un der car riage
slides for ward for load ing.
CEN TER
This is the neu tral po si tion.
DOWN
In this po si tion, the un der car riage
slides to the rear. The un der car riage
must be in the rear-most po si tion for
trans port.
3-2.5
WINCH CON TROL LE VER
The
WINCH CON TROL LE VER (See Fig ures
is the con trol fifth back from the front
with three po si tions:
UP
In this po
si
tion, the winch reels the
winch ca ble in.
CEN TER
This is the neu tral po si tion.
DOWN
In this po si tion, the winch spools the
winch ca ble out.
3-2.6
LAND ING GEAR LE VER
The
LAND
ING GEAR LE
VER (See Fig
ures
is the con trol sixth back from the front
with three po si tions. This le ver con trols the land ing
gear in the slope of the trailer.
UP
In this po
si
tion, the land
ing gear
moves down
ward, which raises the
front of the trailer up.
CEN TER
This is the neu tral po si tion.
DOWN
In this po
si
tion, the land
ing gear
moves up
ward, which low
ers the
front of the trailer down.
3-3
Summary of Contents for 318C
Page 3: ...MODELS 318C BOEING TRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO i...
Page 8: ......
Page 12: ......
Page 32: ...3 20 FIGURE 3 6 STEPS FOR LOADING AND UNLOADING...
Page 36: ...3 24 FIGURE 3 8 REAR IMPACT GUARD AND ANTILOCK BRAKE SYSTEM...
Page 52: ...4 14 FIGURE 4 6 CHECKING AXLE ALIGNMENT FIGURE 4 7 EXAMPLES OF CAMBER...
Page 56: ...4 18 FIGURE 4 10 AXLE AND BRAKE ASSEMBLY...
Page 64: ...4 26 FIGURE 4 16 MOUNTING TIRES AND WHEELS FIGURE 4 17 STUD TIGHTENING SEQUENCE...
Page 76: ...5 10 NOTES...
