STARTING AND OPERATING
207
6. Perform a visual inspection of the trailer and weight
distributing hitch to confirm manufacturer’s
recommendations have been met.
NOTE:
For all towing conditions, we recommend towing with
TOW/HAUL mode engaged.
Towing With All Other 2500/3500 (Non-Air Suspension)
1. Position the truck to be ready to connect to the
trailer (do not connect the trailer).
2. Measure the height of the top of the front wheel
opening on the fender to ground, this is height H1.
3. Attach the trailer to the vehicle without the weight
distribution bars connected.
4. Measure the height of the top of the front wheel
opening on the fender to ground, this is height H2.
5. Install and adjust the tension in the weight
distributing bars per the manufacturer’s recommen
-
dations so that the height of the front fender is
approximately (H2-H1)/2+H1 (about 1/2 the
difference between H2 and H1 above Standard Ride
Height [H1]).
6. Perform a visual inspection of the trailer and
weight-distributing hitch to confirm manufacturer’s
recommendations have been met.
NOTE:
For all towing conditions, we recommend towing with
TOW/HAUL mode engaged.
Fifth-Wheel Hitch
The fifth-wheel hitch is a special high platform with a
coupling that mounts over the rear axle of the tow vehicle
in the truck bed. It connects a vehicle and fifth-wheel
trailer with a coupling king pin.
Your truck may be equipped with a fifth-wheel hitch option.
Refer to the separately provided fifth-wheel hitch safety,
care, assembly, and operating instructions.
Gooseneck Hitch
The gooseneck hitch employs a pivoted coupling arm
which attaches to a ball mounted in the bed of a pickup
truck. The coupling arm connects to the hitch mounted
over the rear axle in the truck bed.
Measurement Example
Example 2500/3500
Height (mm)
H1
1030
H2
1058
H2-H1
28
(H2-H1)/2
14
(H2-H1)/2 + H1
1044
Measurement Example
Example 2500/3500
Height (mm)
H1
1030
H2
1058
H2-H1
28
(H2-H1)/2
14
(H2-H1)/2 + H1
1044
4
23_DJD2_OM_EN_USC_t.book Page 207
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