XL-AS20016BM-en-US Rev A · 2015-05-28 · Amendments and Errors Reserved · © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, SAF,
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Installation Instructions
9
Figure 13
Figure 14
Figure 12
6. Slider Assembly Installation
1. Remove the hold down clips on all four (4) corners of
the slider.
2. Locate the slider between the body rails of the trailer and
engage the lock pins. Refer to the slider re-positioning
operating instructions in Section 10 of this manual.
3. Once the slider is correctly positioned, re-install the hold
down clips to the slider and body rails, and torque all
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4. Ensure the linkage assembled to the height control valve (HCV)
and suspension is of the appropriate height
(Figure 12)
.
IMPORTANT:
A 15" linkage is used for ride heights of
15.5" - 17". A 16" linkage is required for
18" ride heights
(Figure 12)
.
Failure to match the linkage length to the
design ride height could result in improper
suspension height which, if not avoided,
could result in damage to trailer components.
5. Install service and emergency lines to the slider and
allow the suspension to air up.
6. Measure the ride height of the suspension
(Figure 13)
with a tape measure.
7. Compare the measured suspension ride height value to
the appropriate value
(Table 1)
. Ensure your measured
ride height value is within ± 1/4" (6 mm).
LOWER LINKAGE
CONNECTION
15" LINKAGE LENGTH
18" RIDE HEIGHT
REQUIRES 16" LINKAGE
HEIGHT CONTROL
VALVE ARM
“A”
RIDE
HEIGHT
Table 1
CBX SLIDER SUSPENSION W/ AUTO-POSILIFT™ “A” RIDE HEIGHT
CBX 4215.5 / 4815.5 / 5415.5*
15.5"
CBX 4216 / 4816 / 5416*
16"
CBX 4216.5 / 4816.5 / 5416.5*
16.5"
CBX 4217 / 4817 / 5417*
17"
CBX 4218 / 4818 / 5418*
18"
*These numbers refer to the last digits of the model number.
Table 2
RIDE HEIGHT
HOLE LOCATION
LINKAGE LENGTH
15.5"
TOP HOLE
15"
16"
2ND HOLE
15"
16.5"
3RD HOLE
15"
17"
4TH HOLE
15"
18"
4TH HOLE
16"
HEIGHT CONTROL VALVE
MOUNTING BRACKET
TOP HOLE
2ND HOLE
3RD HOLE
4TH HOLE
IMPORTANT:
If your measured ride height value is NOT
within ± 1/4"(6 mm); use the table to verify
the linkage length
(Table 2 and Figure 12)
,
and the hole location where the top mounting
stud of the height control valve (HCV) is
bolted to the mounting bracket
(Figure 14)
.
8. Visually check all air control system fittings for air leaks
by applying a soapy water solution and checking for
bubbles at all air connections and fittings.
