SAF-HOLLAND CB-4000, Installation And Operation Manual

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XL-AS20012BM-en-US Rev B · 2014-05-28 · Amendments and Errors Reserved · © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND,
SAF, and logos are trademarks of SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Operation Instructions
FLIPPER PLATE IN THE
ENGAGED POSITION
13. PosiLok ™ Anti-Dock Walk (Optional
Equipment)
The CBX69 suspension can be equipped with SAF ® PosiLok ™
which provides enhanced trailer stability during loading and
unloading operations. If the trailer air control system employs
a “spring brake priority” type arrangement, potential field
service issues may arise due to operational misuse, such as:
„
Moving a trailer before the air springs have been
properly inflated.
„ Use of yard hustler equipment.
„
Heavy load operations, such as paperhaul, with the slider
in the full forward position.
„
Engaging the emergency trailer brakes at a high rate of
speed (greater than 5 mph) to move the slider position.
„ Use of an auxiliary suspension dump valve with excessive flow.
„
Going in and out of ramped docks with slider all the
way forward.
SAF
®
PosiLok
™
system will properly support the trailer during
normal operations and is designed to bend or buckle when
subjected to overloading or other operational issues to
protect the trailer sub-frame.
The PosiLok ™ is engaged when the flipper
plates are in the down position.
1. Release air pressure from the trailer brake system or
disconnect the glad hand. This engages the parking
brakes and causes the PosiLok
™ actuator to engage,
which rotates the rod so the flipper plates swing down
into an engaged position
(Figure 25) .
The PosiLok ™ is disengaged when the flipper
plates are in the up position.
1. When the parking brakes are disengaged, the primary height
control valve (HCV) takes full function. When the system
has sufficient air pressure in the suspension air springs,
the actuator extends, rotating the rod so the flipper plates
swing up away from the load pads into a disengaged
position
(Figure 26) . The vehicle is now ready for movement.
IMPORTANT: DO NOT operate vehicle (put in motion) if
flipper plates are trapped in the down position
(Figure 27) . Refer to the troubleshooting
section of Installation and Operation
Manual XL-AS20001BM-en-US. Available at
www.safholland.us or contact SAF-HOLLAND
®
Customer Service at 888-396-6501.
Failure to adequately raise flipper
plates could result in trailer, suspension
component, and cargo damage.
Figure 26
Figure 27
Figure 25
FLIPPER PLATE IN THE
DISENGAGED POSITION
FLIPPER PLATE
TRAPPED IN THE
DOWN POSITION