ASV ST50 Scout Bedienungsanleitung
8/17/2016
Operation and Maintenance
Manual
ST50 Scout
SN All
English
All
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Thank you for purchasing an ASV ST-50. With this machine, you
will be able to perform tasks not possible with other “light duty”
machines of this nature.
The ST-50 is an industrial strength, diesel powered utility vehicle. Its
rugged construction, efficient rubber track propulsion system, and
high performance 2-speed hydrostatic drive enable the ST-50 to
navigate a variety of challenging terrains with ease.
The scout is designed to be very safe, but safe operation also
requires caution and attentiveness on the part of the operator.
There are many hazards that can be encountered during operation
of an off highway utility vehicle such as the ST-50. With this in
mind, it is the responsibility of each operator to read and fully under-
stand this manual before attempting to operate the machine.
Machine damage, bodily injury, or even death may result if the pro-
cedures and precautions described in this manual are not followed
closely.
Machine Orientation
Terms like front, rear, left,
and right are used through-
out this manual to describe
portions of the machine.
They are to be understood
from the perspective of an
operator seated inside the
cab.
IINNTTRROODDUUCCTTIIOONN
1
FRONT
REAR
RIGHTLEFT
SSAAFFEETTYYOOVVEERRVVIIEEWW
2
SAFETY SYMBOL
This symbol means: Attention! Be alert!
Your safety is involved!
A safety message will follow this symbol
describing the hazard and the precautions
that need to be taken to ensure your safety.
Read and understand all safety messages in order to protect your-
self and others from personal injury or death.
These safety messages are identified by the words:
DANGER, WARNING, and CAUTION.
The word “Note” is used throughout this manual to draw your
attention to specific topics or to supplement the information
provided in that section.
It is not possible to anticipate every potential hazard. The safety
messages included in this document and displayed on the machine
are not all-inclusive. They are intended to make you aware of poten-
tial risks and encourage a safe approach to operation, inspection
and maintenance of the machine. Do not operate the machine until
you are sure you have a thorough understanding of its operation,
inspection and maintenance. It is your responsibility as the operator
to exercise caution while performing these tasks to ensure your
safety and the safety of others.
!
“DANGER” refers to an imminently hazardous situation that may
result in serious injury or even death.
DANGER
“WARNING” refers to a potentially hazardous situation that may
result in serious injury or even death.
“CAUTION” refers to a potentially hazardous situation that may result
in damage to the machine or its components.
WARNING
CAUTION
Read and understand this manual prior to operating, inspecting, or
attempting to maintain the ST-50. Performing any of these tasks incor-
rectly can lead to machine damage, personal injury or even death.
WARNING
Serial Numbers
Product ID Number (A)
The machine PIN is located
between the seats on the rear
wall of the cab interior. This
number must be provided when
contacting your dealer regarding
parts, service, warranty or
accessories. Warranty claims
will not be processed unless the
machine PIN is provided.
Engine Serial Number (B)
The engine serial number is
located on the right side of the
engine near the front, just above
the injection pump.
Manual Storage (C)
The machine manuals are
stored in the compartment locat-
ed beneath the driver’s seat.
MMAACCHHIINNEEIIDDEENNTTIIFFIICCAATTIIOONN
3
A
C
B
Remove Engine
Cover
TABLE OF CONTENTS
4
Introduction ....................................... 1
Safety Overview................................ 2
Machine Identification.................... 3
Safety ............................................................... 6
Controls .............................................................. 14
Operation........................................................... 20
Maintenance..................................................... 26
Troubleshooting.............................................. 48
Machine Specifications................................. 51
California Proposition 65.............................. 52
Recommended Fluids ................................... 53
Standard Torque Guidelines ....................... 54
Service Log........................................................ 55
5
SSAAFFEETTYY- CONTENTS
6
Features .............................................................. 7
Cargo Bed Capacity/GVW ............................ 8
Fire Prevention................................................. 9
Warning Decal Locations ............................. 10
Warning Decals................................................ 11
Dump Box Brace (if equipped)................... 13
The ST-50 is equipped with
many safety features to reduce
the possibility of injury to the
operator or passenger during
operation.
These features include:
A. Seat Belts
The seat belts are designed to
keep the operator and passen-
ger (if present) securely fas-
tened in the seats should the
machine encounter uneven ter-
rain or come to a sudden stop.
Always fasten your seat belt
prior to operating the machine.
Serious injury or even death
could result if your seat belt is
left unfastened during operation.
B. Operator Seat Belt Safety
Switch
The operator’s seat belt is
equipped with a safety switch
ensuring that the operator is
seated inside the machine with
seat belt fastened before any
motion is allowed to take place.
It is enabled by the operator
presence switch whenever the
operator seat is occupied.
C. Operator and Passenger
Presence Switches
The presence switches are acti-
vated whenever their respective
seats are occupied.
D. Passenger Seat Belt Safety
Switch
The passenger’s seat belt is
equipped with a safety switch,
enabled by the passenger pres-
ence switch, that is activated
whenever the passenger seat is
occupied. It ensures that a pas-
senger (if present) is seated
inside the machine with seat belt
fastened before any machine
movement can take place.
Note: If one or both seat belts
are unfastened during operation
(not recommended) the machine
will not come to a sudden stop
(to prevent occupant injury), but
when the operator does stop the
machine, the motion controls will
be disabled until occupant seat
belts are fastened and item F is
pressed.
SAFETY
Features
7
FE
C
A ADB
C
SAFETY
Features/Cargo Bed Capacity/G.V.W.
8
E. Auxiliary Hydraulic Safety
Switch (if equipped)
This safety device has been
included to ensure that attach-
ments do not engage when the
machine is started. It must be
locked into its neutral position in
order for the machine to start.
Note: Item E is equipped with
an orange locking tab. It must be
disengaged before the switch
can be activated. Slide the tab
downward to disengage the lock.
F. Push to Operate Switch
The ST-50 is equipped with a
switch that must be depressed
in order for the hydraulic con-
trols to function. This helps to
ensure that an operator fully
intends to operate the machine
prior to allowing track movement
or attachment function to occur.
Note: Whenever the machine is
turned off or if a seat belt has
been unfastened during motion
(not recommended) the motion
controls will be disabled. You
must make sure seat belts are
fastened, then activate the push
to operate switch (item F) to
resume operation.
Cargo Bed Capacity
The bed capacity is the amount
of weight that can be safely
applied to the bed and carried
by the ST-50.
Bed Capacity: 4000 lbs.
Note: The bed capacity specifi-
cation is the total amount of
weight that may be applied to
the bed at any given time. This
figure includes accessories that
may be attached to the bed and
any other materials that may be
applied during operation.
Example:
Dump box weight: 750 Lbs.
Material in box: 3250 Lbs.
Total weight applied: 4000 Lbs.
Gross Vehicle Weight
The G.V.W. of the ST-50 should
never exceed 9,000Lbs. during
operation. This weight excludes
an operator, but does include
any accessories, attachments or
material being moved.
Operating the machine in excess
of the the G.V.W. will void the
warranty.
Fire Prevention
The ST-50 has components that
operate at high temperatures.
Steps must be taken to make
sure that flammable items are
kept clear of these components
during operation. Failure to do
so may result in a fire.
The main heat sources in the
vehicle are the engine and the
exhaust system. The electrical
system could also be a source
of heat/sparks if damaged or
poorly maintained.
In some work environments,
flammable items may come in
contact with these sources. It is
very important that these flam-
mable items be removed often
from areas close to hot compo-
nents. If debris is allowed to
accumulate, a fire may result
posing a risk to the operator and
the machine. A fire can cause
machine damage, severe injury
or even death.
Listed are a set of precautionary
tasks that should be performed
daily or more often if necessary.
Repair or replace worn or dam-
aged components as needed to
ensure safe machine operation.
Precautionary Tasks:
• With the engine off and cool,
remove any debris present in
the engine compartment.
Remove the belly pans and
pressure wash this area as
needed to clean it properly.
• Check the battery, fuse box,
electrical wiring and connec-
tion points for damage or
looseness.
• Check fuel lines for leaks or
damage. Never allow open
flame near fuel or fuel system
components.
• Check hydraulic lines, hoses
and fittings for damage or
leaking fluid. Never use bare
hands to check for leaks.
Pressurized fluid can pene-
trate skin and cause injury or
even death.
SAFETY
Fire Prevention
9
• Do not use ether or any other
aerosol type starting aid to
start the engine.
• Always stop the engine and
allow the machine to cool
prior to adding fuel.
• Do not smoke or allow open
flame near the machine while
refueling.
WARNING
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