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SECTION
1.
INTRODUCTION
1.1 SCOPE
This
service
manual includes
information
on
how
to
install
and maintain Quinton's Q55 and
Q65 Medical Treadmills. The manual does not
include
information
regarding any
of
the
three
treadmill
controllers
that
can
be
used with
the
treadmill:
the
Q2000
Stress
Test
Monitor
(PIN
0207-001 through 0207-006),
the
Model 645
Programmable
Treadmill
Controller
(PIN
0222-001 through 0222-003)
or
Quinton's
Treadmill
Controller
(PIN
14544-001 or -002).
1.2 ORGANIZATION
The
information
in
this
service
manual is
organized
as follows:
Sect
ion 1
contains
a
general
description
of
the
Q55 and Q65 Medical Treadmills and
lists
options, accessories,
specifications
and
references.
Section
2
contains
information
on
rece
lYIng,
uncrating,
inspecting and installing
the
Q55/Q65
Medical Treadmill.
An
installation
checkout
procedure
is included.
Section
3
contains
the
theory
of
operation
for
the
Q55/Q65.
It
contains
a
general
description
of
the
treadmill
to
the
functional
block
diagram
level.
Section
4
addresses
troubleshooting
the
Q55/Q65.
It
describes
diagnostic aids built
into
the
treadmill
unit and includes
fault
logic
diagrams
to
assist
in troubleshooting.
If
a
failure
occurs
on
the
printed
circuit
board
(PCB),
component
replacement
should
occur
at
the
factory.
For
this
reason,
detailed
troubleshooting
procedures
for
the
PCB
are
not
provided.
Section
6
contains
corrective
maintenance
procedures. The
section
includes alignment,
adjustment,
disassembly,
repair
and
reassembly procedures.
Section
7
contains
assembly drawings,
cross-indexed
to
reference
designations.
1.3
055/065
PRODUCT DESCRIPTION
The Q55 and Q65 Medical Treadmills
are
designed
to
function
as
Unit 2
of
Quinton's Q
Series
of
stress
test
products. One
of
the
following Quinton
instruments
functions
as
Unit I,
the
treadmill
controller.
1.3.1
02000
Stress
Test
Monitor
In
Quinton's
System
Q,
the
treadmill
is a
peripheral
to
the
Q2000
Stress
Test
Monitor.
Figure
1-1
shows
the
System
Q (Q2000 with
Q55).
Figure
1-1
System 0
(02000
with
055)
In
System
Q,
the
Q55 or Q65 depends
entirely
upon
the
Q2000
for
operational
control.
The
operator
can
use
the
dedicated
treadmill
controls
on
the
Q2000
front
panel
to
change
speed
or
grade. The
operator
can
also use a
stored
treadmill
protocol,
programmed
by
the
operator,
to
control
speed, grade and
duration
for
each
stage
of
the
protocol.
Figure 1-2 Model 645 Programmable Tread-
mill
Controller
1-1
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