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Limited Warranty Money Back Guarantee Trailair® warrants for a period of three years all components that it manu-
facturers to be free from defect in material and/or workmanship. All other components
used by Trailair® in its products are covered by their own warranties.
This limited warranty applies only with proper installation of the product and
under normal use and service to the original owner and is non-transferable. This entire
warranty and remedies shall be at the sole discretion of Trailair® and any written dis-
claimers as to the proper installation apply. Any potential claims must be reported to
Trailair® within 20 days of the problem arising. This warranty will be limited to defec-
tive product only, labor charges and/or damages incurred during replacement installation
are excluded. To the maximum extent permitted by law, Trailair® disclaims all other
warranties, either express or implied, including, but not limited to implied warranties of
merchantability and fitness for a particular purpose. In no event shall Trailair® or its
agents be liable for any direct or indirect incidental or consequential damages, including
but not limited to loss of business profits, interruptions or any other loss arising from the
inability to use a Trailair® product, whether Trailair® has been notified or not. This
limited warranty gives you specific rights and you may have other rights depending on
state and jurisdiction.
Trailair® offers a 60-day money back guarantee for the Air Ride Pin
Box product line.
Performance and results can vary. If you are not completely satisfied with the
performance of our product and the Trailair® air ride pin box has been installed within
the guidelines set forth in the installation instructions provided by Trailair®, you are
eligible to return the product in new condition and receive a full refund of your purchase
price. The purchase price may or may not include freight and/or installation costs to be
determined by your retailer. You will have 60 days from receipt of the product to
notify Trailair® of your intent to return the product. Trailair® may require
receipt of a certified weigh scale ticket verifying the overall weight and the pin
weight of the coach proving the trailer meets the load distribution requirements
set forth in the installation instructions. A return of goods authorization (RGA)
must be obtained from a Trailair® representative before the product is returned.
The product shall be returned to the location it was purchased unless specified
differently by Trailair®.
Limited Warranty
Money Back Guarantee
CENTER POINT SUSPENSION
INSTALLATION GUIDE
Installation for the Trailair Center Point suspension system is straight forward and requires replacing the equalizer in the standard tandem
(2) axle suspension system. Trailair strongly recommends the use of shock absorbers in conjuction with Center Point but they are not
required. Trailair does not supply shock absorbers because Center Point is not designed structurally to handle shock absorber mountings.
If the coach is not equipped with shock absorbers, please refer to the trailer manufacturer for information on shock absorbers and/or the
mountings available for the particular trailer.
insure that they do not swing down during disassembly of the
shackle components.
NOTE: allowing the axles to drop could
result in damage to the wiring for the electric brakes.
5.
With the coach properly raised on jack stands and
the axles properly supported by additional jackstands, remove
two shackle nuts on the shackle at the rear of the front spring.
NOTE that the bolts are pressed into the shackle plate and
should not turn. However, use a properly sized boxed end
wrench to insure the bolts do not turn. Loosen the nuts only,
to remove these shackle
plates.
6.
Once the nuts and
the plate retained by the
nuts are removed, slide the
opposite side shackle plate
out, with the bolts still
pressed into the plate. Also, remove the nut on the cross bolt
for the equalizer. Again, the bolt may be pressed into the
frame hanger and should not be allowed to rotate. After
removing the front springs shackle at the equalizer, repeat
the process for the shackle that mates the rear spring to the
equalizer. Then, remove the equalizer.
7.
The frame hanger is now ready to receive a Center
Point Sub-assembly. Insure that the clamp plates are
sufficiently loose to allow the retaining tower to slide up into
the frame hanger. Do not remove the clamping plates as
there may not be adequate clearance to reinstall after placing
the tower into the frame hanger. Remove the retaining cross
bolt and nut so the tower will slide into the frame hanger. Do
not misplace these
bolts and nuts after
taking them off the
sub-assembly. If
the hanger has a
cross tube, the
cross tube must be
removed.
STANDARD SUB-ASSEMBLY
8.
It is suggested that a floor jack supports the Center
Point Sub-assembly during this operation. The floor jack
allows mobility along with an ease of slowly raising the Center
point Sub-assembly into position to install the retaining cross
bolt into the frame hanger.
1.
The first step is to check for fit up and take reference
measurements. Please see the EQUALIZER / HANGER FIT-
UP ILLUSTRATION which depicts a standard center hanger,
equalizer (also referred too as a rocker) with spring shackles
and the Trailair Center Point Installation Check Template.
Utilize the illustration and a Check Template (CP 100001) to
determine if adequate clearance is available under the coach
and which length shackles are required during installation.
Make sure you catalog the S dimension measurement for
reference in section 9.
2.
For a standard
installation, your coach must
also come equipped with the
standard center hanger shape.
The hanger may vary in
dimension but it must be sized
for a 1 3/4 leaf spring width, be
at least 2.5 from the equalizer
hole to the top of the hanger and be 3 wide or wider. Please
refer to the EQUALIZER / HANGER FIT-UP ILLUSTRATION
for minimum hanger dimensions. If your coach is not equipped
with this style hanger, you may be able to do a non-standard
installation (See section 8) or you may have to remove the
old hanger from the frame and install the standard center
hanger, which can be acquired from Trailair.
3.
After safely
raising the coach to
a level that insures
the tires are off the
ground, properly
position stands to
support the coach.
WARNING: improper raising or lowering of the coach could
result in damage to the coach, injury or death. Insure that
any points of contact for the stands do not result in damage
to any panels or lines under the coach.
4.
Remove the tires and
wheels from the coach. The
suspension should be free from
any loads, except its own weight
at this point. Place another set of
jack stands under the axles, very
close to the u-bolt plates. This will
provide support to the axles and
DO NOT REMOVE SIDE CLAMP PLATES
The Leader in RV, Air
Ride Technology
Trailairs National sales and
business office in Columbia,
MO is your location to
place orders, order litera-
ture, follow up on orders
and other inventory main-
tenance issues. Contact in-
formation is as follows:
Trailair, Inc.
Corporate
409 Vandiver W.,
Building 6-201
Columbia, MO 65202
800-998-4238
573-815-0211
Fax 573-446-1086
www.trailair.com
email: info@trailair.com
Product information and photogra-
phy are as accurate as possible at
the time of publication. Colors and
finishes are photographic represen-
tations and may appear different
from actual materials.
Copyright Trailair, Inc. 3/2004
© NON-STANDARD SUB-ASSEMBLY
In specific cases where the side clamping plates
cannot be used
with a non-
standard size
centerhanger,
an alternative
mounting is
possible. If the
CP2 sub-unit
will fit inside the
hanger, and the
hanger is tall enough, the sub-unit may be mounted without
the side clamping plates if (2) crossbolts are used instead of
(1) (An additionial pair of 9/16 x 12 x 3 grade 8 bolts with
nylock nuts will be needed as only one per sub-unit are
provided). The CP2 sub-unit is designed with two crossholes
in the tower to give Center Point an additional inch in height
adjustment. Both holes can be used for mounting cross
bolts(although not needed in a standard installation).The
additional hole in the centerhanger of the coach frame will
need to be drilled and will correspond with the secondary
adjustment hole. A secondary installation is shown with a
hanger that was only 2.5 wide.
If either the side clamping plates or the (2) crossbolt
method cannot be used because of the size a