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206 STARTING AND OPERATING
With Weight-Distributing Hitch (Correct)
Without Weight-Distributing Hitch (Incorrect)
Improper Adjustment Of Weight-Distributing Hitch (Incorrect)
RECOMMENDED DISTRIBUTION HITCH
ADJUSTMENT
Towing With 2500/3500 Air Suspension
1. Position the truck to be ready to connect to the
trailer (do not connect the trailer).
NOTE:
Standard Ride Height (SRH) or Alternate Trailer Height
(ATH) can be used. The vehicle must remain in the engine
running position while attaching a trailer for proper
leveling of the air suspension system. It may not be
possible to enter Alternate Trailer Height (ATH) while lightly
loaded.
2. Measure the height from the top of the front wheel
opening on the fender to the ground, this is height H1.
Measuring Height (H)
3. Attach the trailer to the vehicle without the weight
distribution bars connected.
4. Measure the height from the top of the front wheel
opening on the fender to the ground, this is height H2.
5. Install and adjust the tension in the weight
distributing bars per the manufacturers’ 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]).
23_DJD2_OM_EN_USC_t.book Page 206
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