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PAGE 2
Step 1
Place the anti-rotate base plate (#2) over the trailer ball shank (#1).
The trailer ball must be mounted so that the ball articulation
is in the same direction as vehicle travel.
Place the lock washer (#3) over the trailer ball shank
and secure with the provided hex nut (#4).
DANGER
The anti-rotatation base plate must be used in the
orientation shown or serious injury or death may result.
DANGER
The anti-rotatation base plate tabs must fit freely over the width
of the ball mount tongue or serious injury or death may result.
1
2
3
4
Grease zerk
location
Vehicle
travel
Trailer ball
pivot pin
Step 2
Tighten the hex nut (#4) to 250 ft-lbs. The threaded
shank must extend beyond the nut when tightened.
DANGER
Failure to tighten hardware to the specified
torque can result in serious injury or death.
Step 3
Grease the trailer ball assembly, using the grease zerk
located on the bottom of the RockerBall
™
shank. Grease
prior to initial use and once every 3 months or 3,000 miles
of use with a high-quality molybdenum-based grease.
DANGER
Failure to grease the trailer ball assembly may lead
to failure and can result in serious injury or death.
RockerBall
™
is adequately lubricated when
grease can be seen in the areas marked below.
ASSEMBLY
Parts List
Item Qty Description
1
1
Trailer ball assembly
2
1
Anti-rotation base plate
3
1
Lock washer, 1"
4
1
Hex nut, 1"
Ball mount sold separately