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For vehicles with air springs, air shocks or automatic leveling system, check vehicle owners manual. Unless otherwise
specified, level the vehicle with the vehicle loaded as it will be when towing before setting ball height and attaching
trailer.
PRELIMINARY BALLMOUNT ADJUSTMENT
1.
Install hardware in lower hole of ballmount as shown. Tighten nut enough to prevent easy rotation of ballmount.
2.
Determine spring bar height "Y" using table below. Insert spring bar and trunnion into the ball mount. Swing bar
outward to the same angle as when connected to trailer. Lift up on bar to remove slack. Tilt ball mount for proper "Y"
dimension at end of spring bar.
SPRING BAR HEIGHT (Y)
COUPLER HEIGHT
X
15" TO 18"
18" TO 20"
20" TO 22"
22" TO 24"
24" TO 26"
* ADD 1" TO Y DIMENSION FOR NON-INTEGRATED CAM SPRING BARS.
3.
The ballmount (G) is adjustable through a 15° angle range for proper spring bar adjustment. See chart above.
HIGH-PERFORMANCE BALLMOUNT ADJUSTMENT
Install longer 3/4" bolt (J) with two serrated washers (E) as shown. Install lock washer (L) and nut (K), but allow space
for washers to be positioned and aligned. Align the washers as shown, hold in position, and tighten nut. Torque the
two nuts (K) to 300 ft/lbs. If proper torque wrench is not available, torque nuts to 150 ft/lbs then turn nuts an additional
1/4 turn. Do not lubricate the threads.
OPTIONAL SHIM KIT
Use the shim provided when needed to fill any gap between the Weight Distributing Head shown below and the hitch bar
used in the particular application.
It is easier to install the shim from the top down as shown on the following page. In doing so, you will encounter one of
three scenarios:
1. Shim will go all the way down to line up with the bottom hole. If this is the case, use the entire shim in
the gap.
Note: It is conceivable that in some rare combinations, two shims could be used. In these cases,
contact Customer Service at 800-632-3290 or 800-428-7303 for a free additional shim service
kit #58207.
66006IN-05/29/13 REV L
COUPLER STYLE
A
B
C
7"
4-1/2"
5-1/2"
8"
5-1/2"
6-1/2"
9"
6-1/2"
7-1/2"
10"
7-1/2"
8-1/2"
11'
8-1/2"
9-1/2"
EQUAL NUMBER OF
TEETH MUST SHOW
TEETH MUST
BE PARALLEL
PCN19360
©2006 TOWING PRODUCTS, INC
Y
15°
PRINTED IN MEXICO
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