NOTE: If the trailer parking brake is not set, the
air-actuated valve will not activate.
2.
Release the vehicle parking brake.
3.
Pull and hold the kingpin release valve, then
drive forward slowly.
4.
After the trailer has slid down the fifth wheel and
pick-up ramps, let go of the kingpin release
valve.
Fifth Wheel Slide
WARNING
Adjust the fifth wheel slide correctly, and do not
overload any tractor axle by incorrectly loading
the trailer. Incorrect slide adjustment or improper
axle loading could cause erratic steering and
loss of vehicle control, possibly resulting in seri-
ous personal injury or death.
On sliding fifth wheel assemblies, the fifth wheel
plate is attached to rails that allow forward and rear-
ward movement of the fifth wheel in order to opti-
mally distribute the load across the axles. Slots are
evenly spaced along the slide rails, and retractable
wedges are positioned through the slots to hold the
fifth wheel in the desired position.
The amount of load distribution on the front steering
axle and rear drive axle(s) will have a direct effect on
the steering control of the vehicle. Determine the
front and rear axle weights by weighing the vehicle
on scales designed for this purpose.
The maximum axle weight ratings are shown on the
Federal Motor Vehicle Safety Standard (FMVSS)
label or Canadian Motor Vehicle Safety Standard
(CMVSS) label attached to the left rear door post of
the vehicle. The desired load on the axle is no less
than 80 percent of the maximum axle weight rating,
but in no instances should the axle load exceed the
maximum axle weight rating given on the FMVSS or
CMVSS label.
Manual Slide Operation
Use the following procedure to manually slide the
fifth wheel. See
Fig. 17.11
.
1.
Stop the vehicle and trailer in a straight line on
level ground. Pull the red trailer air supply knob
to apply the trailer parking brakes.
2.
Apply the vehicle parking brake, then release the
sliding mechanism using the appropriate method
for the fifth wheel manufacturer.
2.1
Fontaine:
Lift the slide release pull handle
to disengage it from the guide plate. Then,
pull out the handle until it is in the un-
locked position and can be positioned
against the guide plate to hold it out. The
10/26/2010
f611102
Fig. 17.10, Air-Actuated Kingpin Release Valve
07/25/95
f310190
1
2
1.
Locking Wedge
2.
Slide Release Pull Handle
Fig. 17.11, Manual Release Sliding Fifth Wheel,
Fontaine
Fifth Wheels
17.7
Содержание 108SD
Страница 1: ...Driver s Manual 108SD and 114SD Part Number STI 496 Publication Number STI 496 6...
Страница 16: ...3 Electrical System Vehicle Power Distribution 3 1 Load Disconnect Switch 3 1 Battery Access 3 2...
Страница 60: ...7 Climate Control Climate Control Panel 7 1...
Страница 65: ...8 Cab Features Cab Amenities 8 1 Mirrors and Windows 8 1...
Страница 68: ...10 05 2001 f670096 1 2 1 Latch 2 Vent Window Fig 8 7 Operating Vent Window optional Cab Features 8 3...
Страница 69: ...9 Engine Starting Operation and Shutdown Engine Starting 9 1 Engine Operation 9 2 Engine Shutdown 9 3...
Страница 121: ...15 Drive Axles Differential Lock Drive Axles 15 1 Interaxle Lock Tandem and Tridem Axles 15 2...
Страница 125: ...16 Steering System Power Steering System 16 1...
Страница 138: ...18 Trailer Couplings Air Suspension Dump Valve 18 1 Holland Trailer Coupling 18 1 Premier Trailer Couplings 18 2...
Страница 153: ...20 Pre and Post Trip Checklists Periodic Inspections and Maintenance 20 1 Checklists 20 1 Fluids Added 20 2...
Страница 176: ...23 Headlight Aiming Preliminary Checks 23 1 Checking Headlight Aim 23 1 Adjusting Headlight Aim 23 2...
Страница 179: ...05 13 2009 f545526 Fig 23 3 Headlight Adjusting Headlight Aiming 23 3...