
TABLE OF CONTENTS
SAFETY SYMBOLS ..................................................................................................................................................4
SAFETY PRECAUTIONS .......................................................................................................................................... 5
TOOL STICKERS & TAGS ........................................................................................................................................6
HOSE TYPES ............................................................................................................................................................ 7
HOSE RECOMMENDATIONS ..................................................................................................................................8
FIGURE 1. TYPICAL HOSE CONNECTIONS .......................................................................................................8
HTMA REQUIREMENTS ...........................................................................................................................................9
OPERATION ............................................................................................................................................................10
FIGURE 2. PANEL CONTROL VALVE .................................................................................................................10
FIGURE 3. HYDRAULIC CONNECTIONS .......................................................................................................... 11
FIGURE 4. THROTTLE CONTROL LEVER ........................................................................................................11
FIGURE 5. ENGINE COMPONENTS .................................................................................................................. 12
FIGURE 6. CHOKE LEVER ................................................................................................................................. 13
FIGURE 7. FUEL LEVER .....................................................................................................................................13
FIGURE 8. ON-OFF SWITCH .............................................................................................................................. 13
MAINTENANCE ..............................................................................................................................................14 & 17
TESTING & TROUBLESHOOTING ........................................................................................................................15
TROUBLESHOOTING ............................................................................................................................................16
SPECIFICATIONS ................................................................................................................................................... 17
To ll out a Product Warranty Recording form, and for information on your warranty,
visit Stanleyhydraulic.com and select the Warranty tab.
(NOTE: The warranty recording form must be submitted to validate the warranty).
SERVICING: This manual contains safety, operation, and routine maintenance instructions. Stanley Hydraulic Tools
recommends that servicing of hydraulic tools, other than routine maintenance, must be performed by an authorized
and certied dealer. Please read the following warning.
SERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR OR SERVICE OF THIS
TOOL.
REPAIRS AND / OR SERVICE TO THIS TOOL MUST ONLY BE DONE BY AN AUTHORIZED AND
CERTIFIED DEALER.
For the nearest authorized and certied dealer, call Stanley Hydraulic Tools at (503-659-5660) and ask for a Customer Service Representative.
GPV13 User Manual ◄ 3

SAFETY SYMBOLS
Safety symbols and signal words, as shown below, are used to emphasize all operator, maintenance and repair actions which, if not strictly followed, could result in a life-threatening situation, bodily injury or damage to equipment.
This is the safety alert symbol. It is used to alert you to potential personal injury
hazards. Obey all safety messages that follow this symbol to avoid possible
injury or death.
This safety alert and signal word indicate an imminently hazardous situation
which, if not avoided, will result in death or serious injury.
This safety alert and signal word indicate a potentially hazardous situation
which, if not avoided, could result in death or serious injury.
This safety alert and signal word indicate a potentially hazardous situation
which, if not avoided, could result in death or serious injury.
This signal word indicates a potentially hazardous situation which, if not avoid-
ed, may result in property damage.
This signal word indicates a situation which, if not avoided, will result in damage
to the equipment.
This signal word indicates a situation which, if not avoided, may result in damage to the equipment.
Always observe safety symbols. They are included for your safety and for the protection of the tool.
LOCAL SAFETY REGULATIONS
Enter any local safety regulations here. Keep these instructions in an area accessible to the operator and mainte-
nance personnel.
4 ► GPV13 User Manual

SAFETY PRECAUTIONS
Tool operators and maintenance personnel must always
comply with the safety precautions given in this manual
and on the stickers and tags attached to the equipment.
These safety precautions are given for your safety. Review them carefully before operating the tool and before
performing general maintenance or repairs.
Supervising personnel should develop additional pre-
cautions relating to the specic work area and local
safety regulations. If so, place the added precautions in
the space provided in this manual.
In addition to this manual, read and understand safety
and operating instructions in the Engine Operation Manual furnished with the power unit.
The GPV13 Hydraulic Power Unit will provide safe and
dependable service if operated in accordance with the
instructions given in this manual. Read and understand
this manual and any stickers and tags attached to the
Power Unit. Failure to do so could result in personal injury or equipment damage.
• Operator must start in a work area without bystand-
ers. The operator must be familiar with all prohibited
work areas such as excessive slopes and danger-
ous terrain conditions.
• Establish a training program for all operators to en-
sure safe operation.
• Do not operate the power unit unless thoroughly
trained or under the supervision of an instructor.
• Always wear safety equipment such as goggles,
ear, head protection, and safety shoes at all times
when operating the power unit and a hydraulic tool.
• Do not inspect or clean the power unit while it is run-
ning. Accidental engagement of the unit can cause
serious injury.
• Always use hoses and ttings rated at 2500 psi/172
bar with a 4 to 1 safety factor. Be sure all hose con-
nections are tight.
• Be sure all hoses are connected for correct ow di-
rection to and from the tool being used.
• Do not inspect hoses and ttings for leaks by using
bare hands. “Pin-hole” leaks can penetrate the skin.
• NEVER OPERATE THE POWER UNIT IN A
CLOSED SPACE. Inhalation of engine exhaust can
be fatal.
• Do not operate a damaged, improperly adjusted
power unit.
• Never wear loose clothing that can get entangled in
the working parts of the power unit.
• Keep all parts of your body away from the working
parts of the power unit.
• Keep clear of hot engine exhaust.
• Do not add fuel to the power unit while the power
unit is running or is still hot.
• Do not operate the power unit if gasoline odor is
present.
• Do not use ammable solvents around the power
unit engine.
• Do not operate the power unit within 3.3 ft/1 m of
buildings, obstructions or ammable objects.
• Do not reverse tool rotation direction by changing
uid ow direction.
• Allow power unit engine to cool before storing in an
enclosed space.
• Always keep critical tool markings, such as labels
and warning stickers legible.
• To avoid personal injury or equipment damage, all
tool repair, maintenance and service must only be
performed by authorized and properly trained personnel.
• Warning: Use of this tool on certain materials during
demolition could generate dust potentially containing a variety of hazardous substances such as as-
bestos, silica or lead. Inhalation of dust containing
these or other hazardous substances could result
in serious injury, cancer or death. Protect yourself
and those around you. Research and understand
the materials you are cutting. Follow correct safety
procedures and comply with all applicable national,
state or provisional health and safety regulations
relating to them, including, if appropriate arranging
for the safe disposal of the materials by a qualied
person.
GPV13 User Manual ◄ 5