Section 00 : GENERAL INFORMATION
PA1561 2
1. FOREWORD
This manual includes procedures for diagnosis,
service, maintenance and repair for components
of the H3 series coaches or VIP model listed on
the front cover page.
This manual should be kept in a handy place for
ready reference by the technician. If properly
used, it will meet the needs of the technician and
owner.
Information provided in Section 1 through 24
pertains to standard equipment items, systems
and components as well as the most commonly
used optional equipment and special equipment
offered on the coach models covered by this
manual.
At the beginning of each section; a Table of
Contents and a list of illustrations give the page
number on which each subject begins and where
each figure is located.
Coach operating information is provided in a
separate Operator's Manual. Audio/Video
system operator instructions are also included in
a separate manual.
More specific information on engine and
transmission operating, maintenance, and
overhaul information is contained in the
applicable engine or transmission service
manual published by the engine or transmission
manufacturer. Engine and transmission parts
information is contained in the applicable engine
or transmission parts catalog published by the
engine or transmission manufacturer.
All information, illustrations and specifications
contained in this manual are based on the latest
product information available at the time of
publication approval. The right is reserved to
make product changes at any time without
notice.
Note: Typical illustrations may be used;
therefore minor illustration difference may exist
when compared to actual parts or other
publications.
Prevost Car occasionally sends Maintenance
Information, Warranty Bulletins, Safety Recalls
or other literature to update users with the latest
service procedures. They are issued, when
required, to supplement or supersede
information in this manual. Update sheet should
be filled out and bulletins should be filed at the
end of their respective section for future
reference.
2. SCHEMATICS
Vehicle AIR SCHEMATICS and ELECTRICAL
SCHEMATICS are provided in the technical
publications box. Refer to those schematics for
detailed circuit information or during diagnosis.
3. PRECAUTIONS TO BE OBSERVED
BEFORE WELDING
CAUTION
Precautions are to be observed before
welding to minimize the risk of major and
costly damage caused to the vehicle
electronic components.
NOTE
Execute procedure no: SAV060034
"MULTIPLEX MODULES DISCONNECTION
PROCEDURE PRIOR TO WELDING"
included at the end of this section.
CAUTION
For vehicles equipped with a WCL system,
disconnect electronic controller connector.
CAUTION
Cover electronic control components and
wiring to protect from hot sparks, etc.
CAUTION
Position welding machine ground clamp as
close as possible to the work. Ensure that
the welding machine ground return clamp
is well secured and makes a good
electrical contact with a large metallic area
of the chassis located as close as possible
to the welding point.
CAUTION
Do not use TIG welding process on the
vehicle. This high frequency current
process can seriously damage the
electronic components.
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