FOREWORD
"
TMis
manual
is
prepared
to provide the customer
and
the maintenance
personnel with complete information
and
instructions on
the
mainte-
nance of the Model "HD-9B" Tractor (standard model). Extreme care
has
been
exercised
in
the
designing, selection of materials,
and
the
building
of the tractor. By
proper
maintenance
and
skillful operation
of the tractor, the utmost satisfaction
in
performance
and
service will
be
obtained.
In
order
to
become
familiar with the various parts of
the
tractor,
it
is
urged
that
the mechanic study
the
instructions
in
this manual
and
use
it
as
a reference
when
performing repair
or
maintenance operations.
All information
and
photographs shown throughout this manual are of
the
"Standard"
Model "HD-9B" Tractor, unless otherwise stated.
Sections
I through
XIX
of this manual contain a
detailed
description
of the various assemblies of the tractor
and
instructions for
the
proper
adjustment
and
repair or rebuilding of these assemblies.
Section
XX
describes the Special Equipment available for
the
tractor
and
outlines the service of these parts.
General
Maintenance Instructions are given
in
Section XXI,
and
Fits
and
Tolerances
in
Section XXI/.
Trouble Shooting Information given
in
Section
XXIII
will
aid
in
deter-
mining
the
cause of
operating
irregularities
and
tells
what
may
be
done
to correct them.
General
information on
the
availability of
Special Tools is given
in
Se.ction XXIV.
To
assure
the
best
results
and
to maintain the original quality built
into
the
tractor,
it
is
important that
Genuine"
Allis-Chalmers" Parts
be
used
when
new
parts are required.
IMPORTANT:
ALWAYS
FURNISH
THE
DEALER
WITH BOTH
THE
TRACTOR
AND
ENGINE
SERIAL
NUMBERS WHEN ORDERING, pARTS.
Many owners of
"Allis-Cha/~Jii.s"
equipment
employ
the
Dealer's
Service Department for all work other than routine care
and
adjust-
ments.
This
practice
is
encouraged
as
our dealers are
kept
well informed
by
the
factory regarding
advanced
methods of servicing "Allis-
Chalmers" products
and
are
equipped
to render satisfactory service.
4
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