Product Manual
23
A Product of Progress Mfg. Inc.
TROUBLE SHOOTING
Problem Possible Cause Correction
Trailer Sway Not enough Weight
Distributed.
Add spacer washer(s), or Raise L-
Brackets.
Remember, trailer
sway is caused by the
combined vehicle (tow
vehicle/trailer) con-
guration or outside
forces. If you are un-
sure what may be caus-
ing your sway issues,
contact your dealer or
a hitch specialist for
assistance.
Light Tongue Weight Assure trailer tongue weight is between
10-15% of Gross Trailer Weight and a
minimum of 400 lbs. Try repositioning
load in trailer.
Improperly Rated or
Under-inated Tires
Check tires for proper rating and ina-
tion. Replace and inate if needed.
Tow Vehicle High in
the Front.
Not enough Weight
Distributed.
Raise L-Brackets or add spacer washers
to the spacer rivet.
Front end feels “oaty” Not enough Weight
Distribution.
Raise L-brackets or add spacer washers
to the spacer rivet.
Hitch Noise Dry / Dirty Hitch Clean and re-lube the spring arm
sockets in the hitch head and trunnion
knuckles.
Hitch Break In Some noise is normal during hitch
break in and will normally subside after
a short time.
Some noise is normal. is is a general consequence of posi-
tive sway control and the moving parts
of any weight distribution hitch.
Trailer is low or high
in the front.
Improper hitch ball
height
Adjust the hitch head height on the
shank. If necessary use shank with more
rise or drop.
Shifting or Moving
Link Plates
Not torqued correctly Torque link-plate bolts to 65 ft-lbs. and
L-bracket nuts to 75 ft-lbs.
Mounted too far back
from the coupler
Check to insure that link plate center is
not farther than 30” from center of the
coupler.
Bent link plate Turn inside link plate around so bend
faces inward creating a more positive
contact.
Appendix A