3
T72007 A
HXL5
®
Hub Maintenance Procedures
ConVenTionS applieD in THiS
DoCumenT
This section explains techniques used in this document
to convey important information, safety issues, how to
contact Hendrickson and how to apply hyperlinks�
eXplanaTion oF SiGnal WorDS
Hazard signal words (such as DANGER, WARNING or
CAUTION) appear in various locations throughout this
publication� Information accented by one of these
signal words must be observed at all times� Additional
notes are utilized to emphasize areas of procedural
importance and provide suggestions for ease of repair�
The following definitions comply with ANSI Z535�4 and
indicate the use of safety signal words as they appear
throughout the publication�
DanGer: inDiCaTeS immeDiaTe HaZarDS
WHiCH Will reSulT in SeVere
perSonal inJury or DeaTH.
WarninG: indicates hazards or unsafe practices
which could result in severe personal
injury or death.
CauTion: indicates a hazardous situation which,
if not avoided, could result in minor
or moderate injury.
noTiCe: indicates hazards or unsafe practices
which could result in damage to
machine or equipment.
imporTanT:
An operating procedure, practice or
condition that is essential to emphasize�
Safety alert symbol used to indicate
a condition exists that may result in
personal injury or harm to individuals� It
must be applied to DANGER, WARNING
and CAUTION statements, which
emphasize severity�
imporTanT SaFeTy noTiCeS
Safety and precautionary statements are listed in
Hendrickson literature number T12007 and available at
www�Hendrickson-intl�com/TrailerLit�
Warnings and cautions should be read carefully to
help prevent personal injury and to assure that proper
methods are used� Improper maintenance, service or
repair can cause damage to the vehicle and other
property, personal injury, an unsafe operating condition
and potentially void the manufacturer’s warranty�
linKS
Links are identified by a dark grey line under the linked
text� Internal links allow the reader to jump to a heading,
step or page in this document� External links open the
website or document referenced�
General SerViCe noTeS
Proper installation, maintenance, service and repair is
important to the reliable operation of the suspension
system� The procedures recommended by Hendrickson
and described in this publication are methods of
performing inspection, maintenance, service and repair�
Before you begin
:
Read, understand and comply with:
• All instructions and procedures�
• All signal word (CAUTION, WARNING and DANGER)
statements to help avoid personal injury or property
damage�
• Company’s maintenance, service, installation and
diagnostic practices�
• Vehicle manufacturer’s safety instructions when
working on the vehicle�
• Vehicle manufacturer’s instructions for recommended
practices not described in this manual�
• Local safety regulations�
DurinG SerViCe:
• Work must be carried out by trained personnel�
• Sudden release of parking springs (e�g� the spring
brake part of the brake chamber or the brake return
spring) may cause injury�
• Use recommended tools only�
• Before releasing trailer back into service, perform
operational checks and test the trailer to ensure
brakes are working correctly�
Hendrickson reserves the right to make changes and
improvements to its products and publications at any
time� Consult the Hendrickson website
(www�hendrickson-intl�com) for the latest version of this
manual�
noTiCe: accessory-type hubcaps, such as
the chrome “top hat” style hubcap,
can potentially increase wheel-end
temperatures during operation and
are not recommended for use on
Hendrickson extended-service wheel
ends.
