Lippert Components Center Point Suspension - Manual (Page 3)

PLUMBING
10. Once both Center Point Sub-assemblies are installed
onto the frame, the air supply lines must be routed. You should
refer to the AIR LINE SCHEMATIC in the
appendix. Before planning the air hose
routing and placement, verify there is
sufficient clearances for the air spring. The
air springs already have the air hoses
installed and only have to have the loose
end secured. In order to insure there is
sufficient slack in the air hose, the clip placement (CP 100035)
is critical. The air spring will cycle forward and aft as much as
5 inches, during the operation of the suspension in its reaction
to extreme road conditions. Therefore, the clip must be
secured on the frame with enough slack to allow the movement
necessary. It must also be located so that the hose does not
contact the air spring to any other moving
parts of the suspension. There are 4 self-
drilling, self-tapping screws (CP 100020)
provided to attach the clip, two per clip.
11. After attaching the clips in a suitable
location, the bulkhead fittings w/ ¼” NPT to push on (CP
U00003) can then be attached to the air hoses. The locking
nut of the bulkhead fitting can be removed from the fitting and
the fitting can be inserted into the mounting clip. Re-install
the locking nut and secure the bulkhead fitting to the clip.
This should be done for both sides
of the trailer before installing the
poly air lines.
12. After carefully considering
the placement and routing of the
air lines to the desired location of
the air gauge panel(CP 5007), the poly air lines may be
installed. A union tee (CP U0000
4) is supplied for joining the
two air lines from the bulkhead fittings. Note that all a ir lines
are DOT approved air brake quality suitable for commercial
industry applications. The poly air lines must be cut square
and true, in order for these fittings to
function properly and retain air
pressure.
13. To assist in routing the poly
air lines, there are (4) nylon clips (CP
U00006), self-drilling / self-tapping screws (CP U00020) and
(4) wire ties (CP U00028) provided. Do not drill through any
panels under the coach until assuring there is nothing that
will be damaged. Remember, there are holding tanks, water
lines and possibly gas lines all mounted
within the frame rails of a coach.
PANEL APPLICATION:
14. The choice of the
location of the air gauge panel (CP
5007) is up to the owner / dealer /
installer. Trailair makes no recommendations other than to
place it where it will not inhibit
the operation of the system and
will provide an opportunity to
visually check the system
pressure easily. External
mounting is the preferred
method of Trailair, however, the
owner may prefer mounting
within a compartment. CP5007
consists of the panel mount plate (CP 100030), the air
pressure gauge (CP U00033) with female connector (CP
U00017) and the access fill valve (CP U00015).
There are two options for external
installation. The first option is to
install the panel mount plate
provided with the
gauge and fill valve acts as a reinforcing plate. The second
option is to mount the air pressure gauge and the access fill
valve directly onto the coach body without utilizing the panel.
Trailair offers both methods and provides sufficient information
for either choice.
PANEL MOUNTING:
The CP 5007 assembly is intended to serve two
functions. One is to provide support for the panel installation
in areas that may not be thick enough to attach fasteners.
The second function is to provide a template to cut an accessmounting
hole. Carefully check to insure there are no
obstacles nor any components that may incur damage while
cutting holes, routing the poly air lines or mounting the panel
mount plate. At this point, mount the female connector to the
air gauge, mount the air gauge and the access fill valve to the
panel mount plate.
Determine the location of the CP 5007 assembly and
mark two holes, 1 3/4” diameter, 3 3/8” apart from each other.
With a suitable tool cut the opening for the air gauge and the
fill valve. Place the CP 5007 assembly into the openings,
level and square the assembly, mark the four hole locations
to mount the panel. Install the assembly using (4) self-tapping
screws (CP U00020), through the holes in the panel.
DIRECT AIR GAUGE MOUNTING:
Once location is determined, use the air gauge
without the bezel and the access air fill valve without the
bulkhead nut as a template to drill the holes needed. Be sure
to check for potential interference and or possible damage to
other components before cutting any access holes. Once
the holes are cut, mount the air gauge with the female
connector attached and the access fill valve to the coach
sidewall.
CP 100035
CP U00020
CP 5007
CP U00033 CP U00017 CP U00015
CP U00004
CP U00006
CP U00003