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2 | IW16 Service Manual 

Safety Precautions

The Safety Alert Symbol alerts you to potential 
personal injury hazards. Obey all safety messages 
that follow to avoid possible injury or death.

Indicates an imminently hazardous situation which 
will result in death or serious injury.

Indicates a potentially hazardous situation which 
could result in death or serious injury.

Indicates a potentially hazardous situation which 
could result in property damage.

Always observe safety symbols. They are included for your safety and for the 
protection of the tool.

WARNING:

 Read all safety warnings and instructions. Failure 

to follow warnings and instructions may result in tool damage 
and/or serious injury. 

WARNING:

 To reduce the risk of injury, read the instruction 

manual.

General

• 

Do not discard safety instructions. Give to the operator.

• 

This tool will provide 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 tool and hoses before 
operation. Failure to do so could result in personal injury or equipment 
damage.

• 

Inspect the tool before each use and ensure all decals are legible. 
Contact STANLEY if replacements are needed.

• 

Establish a training program for all operators to ensure safe operation. 
Do not operate the tool unless thoroughly trained or under the 
supervision of an instructor. Keep out of the reach of children.

• 

Operators and maintenance personnel shall be able to physically handle 
the bulk, weight and power of the tool.

• 

Avoid unsuitable postures as these positions do not allow for 
counteracting of normal or unexpected movement of the tool, such as 
a sudden break of the tool bit. Change postures during extended tasks 
to help avoid discomfort or fatigue.

• 

Do not operate a damaged, improperly adjusted, modified or 
incompletely assembled tool.

• 

Do not operate the tool in explosive atmospheres, such as in the 
presence of flammable liquids, gases or dust. Power tools create sparks 
which may ignite the dust or fumes.

• 

Provide adequate ventilation in closed areas when operating a gas or 
diesel hydraulic power source.

• 

Do not inspect, carry, clean, change accessories or perform 
maintenance on the tool while the power source is connected. 
Accidental engagement of the tool can cause serious injury.

• 

Ensure work piece is securely fixed. Be aware that failure of the work 
piece or accessories may generate high velocity projectiles.

• 

Stay alert, watch what you are doing and use common sense when 
operating a hydraulic tool. Do not operate this tool if you are tired or 
under the influence of drugs or alcohol. A moment of inattention while 
operating hydraulic tools may result in serious injury.

• 

Assess risks to others around you before operating the tool.

• 

During operation, do not contact mechanisms, accessories or hardware 
as they can become very hot; use your Personal Protection Equipment 
(PPE).

• 

Use and maintain the tool as stated in this manual. Misuse of the tool 
can cause serious injury. Do not modify the tool in any way.

• 

Supervising personnel should develop additional precautions relating to 
the specific work area and local safety regulations.

• 

Never operate the tool if you cannot be sure that underground utilities 
are not present, such as electrical cables, gas pipes, etc. These can 
cause a hazard if damaged with the tool.

• 

The tool is not insulated against coming into contact with electric 
power. Use hose certified as non-conductive.

• 

Do not overreach. Maintain proper footing and balance at all times 
when using the tool.

• 

Slips, trips and falls are major causes of workplace injury. Be observant 
of hoses lying about the work area, as they can be a tripping hazard.

• 

Operator must start in a work area without bystanders and must assess 
the risk to bystanders, including the risk of serious injury or death 
caused by the tool or accessories dropped from an elevated height.

• 

Operators must be familiar with all prohibited work areas such as 
excessive slopes and dangerous terrain conditions.

• 

Only use clean hydraulic fluid and lubricants that have been 
recommended by STANLEY.

• 

Ensure tools are working properly and safely by performing preventative 
maintenance (PM) procedures.

• 

Repair and service of this tool must only be performed by an authorized 
and certified dealer.

• 

Use only replacement parts recommended by STANLEY.

• 

Do not force the tool to do the work of a larger tool. Use the correct 
tool for your application.

• 

Use only hoses and hose couplings that are rated for a minimum 
working pressure of 2500 PSI (172 BAR).

• 

Keep hands away from rotating chuck, drill bits or drives.

• 

Rotating drive sockets and drive extensions can easily entangle rubber-
coated gloves or metal reinforced gloves. Never hold the drive, sockets, 
drive extensions or other accessories.

• 

Do not use in confined spaces. Beware of crushing hazards between the 
tool and the workpiece, especially when unscrewing or reversing the 
tool.

• 

In spite of the application of relevant safety regulations and the 
implementation of safety devices, certain residual risks cannot be 
avoided. These risks are: repetitive strain injury due to incorrect posture 
and risk of pinching fingers when changing tool bit or pressing trigger. 

Dust and Fumes

• 

WARNING:

 Some dust created by power sanding, sawing, grinding, 

drilling, and other construction activities contains chemicals known 
to the State of California to cause cancer, birth defects or other 
reproductive harm. Some examples of these chemicals are:

• 

Lead from lead-based paints,

• 

crystalline silica from bricks and cement and other masonry 
products, and

• 

arsenic and chromium from chemically-treated lumber.

Your risk from these exposures varies, depending on how often you do 
this type of work. To reduce your exposure to these chemicals: work in 
a well ventilated area, and work with approved safety equipment, such 
as those dust masks that are specially designed to filter out microscopic 
particles.
Protect yourself and those around you. Research and understand the 
materials you are drilling. 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 qualified person.

• 

When dust or fumes are created, control them at the point of emission. 
Direct tool exhaust to minimize disturbance of dust.

• 

Operate and maintain the tool as recommended in this manual to 
minimize dust.

• 

Use respiratory protection in accordance with employers instruction or 
as required by occupational health and safety regulations.

• 

Avoid prolonged contact with dust. Allowing dust to get into your 
mouth, eyes or lay on the skin may promote absorption of harmful 
chemicals.

• 

Select and replace tool bits as recommended in order to prevent an 
unnecessary increase in dust or fumes.

• 

Keep tool handles dry, clean and free from oil and grease. This will 
enable better control of the tool.

PPE

• 

Always wear safety equipment such as impact resistant goggles, ear 
protection, head protection, breathing protection and safety shoes at all 
times when operating the tool.

• 

Hands may be exposed to hazards, impacts, cuts, abrasions and heat. 
Wear gloves.

• 

Wear a hardhat if performing overhead work.

• 

Use PPE that conforms to standards ANSI Z87.1 (Eye and Face 
Protection), ANSI Z89.1 (Head Protection), ANSI Z41.1 (Foot Protection) 
and ANSI S12.6 (S3.19) (Hearing Protection).

• 

Do not wear loose fitting clothing, jewelry or gloves with cut or frayed 
fingers when operating the tool. Entanglement, choking, scalping and 

Summary of Contents for IW16 Series

Page 1: ...o de série de l équipement Numero de serie del equipo Matricola dell attrezzatura ALL MODELS NOTED ABOVE FROM SERIAL NUMBER 042312097 and Above Has been manufactured in conformity with Wurde hergestellt in Übereinstimmung mit Est fabriqué conformément Ha sido fabricado de acuerdo con E stata costruita in conformitá con Directive Standards Richtlinie Standards Directives Normes Directriz Los Normas...

Page 2: ...e a tripping hazard Operator must start in a work area without bystanders and must assess the risk to bystanders including the risk of serious injury or death caused by the tool or accessories dropped from an elevated height Operators must be familiar with all prohibited work areas such as excessive slopes and dangerous terrain conditions Only use clean hydraulic fluid and lubricants that have bee...

Page 3: ...uts burns or vibration injuries Use and maintain as recommended in the manual to prevent an unnecessary increase in vibration Check the vibration level after each service If higher than normal contact your STANLEY dealer Hydraulic Warning Hydraulic fluid under pressure could cause skin injection injury If you are injured by hydraulic fluid get medical attention immediately Do not let hydraulic oil...

Page 4: ...l Caution Decal IW16 Impact Mechanism Illustration ITEM P N DESCRIPTION 15 12412 Electrical Danger Decal 16 74692 Tool Name Tag 73680 Railroad Help Desk Decal Models IW16150BN IW16150S 17 81433 Sound Power Decal Models IW16150 IW16150S 18 28788 Read the Manual Decal Models IW16150 IW16150S IW16350 19 28323 CE Decal Models IW16150 IW16150S IW16350 20 11207 Circuit Type D Decal Models IW16150 IW1615...

Page 5: ...irection Decal 8 08137 Motor Housing Assembly Includes 03252 07995 08123 08126 08146 9 00255 O ring 10 08146 Bushing 11 08136 Main Shaft 12 07337 Dowel Pin 13 00697 Lock Washer 14 09284 Cap Screw 15 00717 O ring IW16 Hydraulic Motor Illustration ITEM P N DESCRIPTION 16 00016 O ring 17 07995 Insert 18 08128 Idler Gear Assembly 19 08123 Idler Shaft 20 03252 O ring 21 09277 Hex Nut 22 07984 Relief Ad...

Page 6: ...f Spool 9 23678 Headed Push Pin 10 00026 O ring 11 06533 O ring 12 22063 Spool Cap 13 22064 Rod Wiper 14 00936 Adapter Models IW16150 IW16150D IW16350 15 03973 Male Coupler 16 03972 Female Coupler IW16 Valve Spool Trigger Illustration ITEM P N DESCRIPTION 17 03971 Coupler Set Not shown Includes 03973 03972 81160 Coupler Set Not shown Model IW16150BN 18 56725 Hose Assembly Not shown Model IW16150S ...

Page 7: ...stration ITEM P N DESCRIPTION 1 09275 Retaining Ring 2 73167 Valve Handle Assembly Includes 350237 07337 08146 3 08015 Backup Ring 4 01211 O ring 5 00580 Set Screw 6 04939 Lever 7 08139 Reversing Spool 8 350237 Hollow Hex Plug 9 09602 Seal Kit Not shown in seal kit ...

Page 8: ...d sound power level 105 01 dBA Uncertainty 3 39 dBA Measured A Weighted Sound Pressure 97 03 dBA Uncertainty 3 39 Values determined according to noise test code given in ISO 15744 11203 and 3744 Declared vibration emission value in accordance with EN ISO 28927 2 Declared Vibration Emission Value Main Handle 62 2 m sec Declared Vibration Emission Value Assist Handle 40 m sec Uncertainty 13 4 m sec ...

Page 9: ...t too hot 140 F 60 C or too cold 50 F 10 C Ensure the hydraulic power source relief valve is set to open at the maximum relief pressure See Specifications on page 8 Problem Possible Cause Solution Tool has low impact performance Hydraulic power source is not running properly Ensure the power source is delivering proper flow and pressure See Specifications on page 8 Proper flow and pressure maintai...

Page 10: ...e the Impact Mechanism 1 Remove four cap screws from the hammer case 2 Remove the assist handle 3 Hold the hammer case in place then point the tool downward and remove the impact mechanism assembly 4 Remove the impact mechanism from the hammer case 5 Replace exposed seals during reassembly Note The impact mechanism must be properly greased during reassembly See Grease the Impact Mechanism on page ...

Page 11: ...Using O ring tools remove the backup ring and o ring Note Replace exposed seals during reassembly Thrust Spacer 00255 Thrust Washer Thrust Bearing 08180 04888 7 From the rear of the hydraulic motor remove the idler gear idler shaft and main shaft 8 If necessary remove the relief adjustment screw insert and related seals Note Count how many turns you made when taking out the relief adjustment screw...

Page 12: ... grooved 13 Check each gear and insure they have flat straight tips Each tooth should have a smooth polish Replace the gears is damage or cracking is present Remove the Valve Spool 1 Remove the roll pin that holds the trigger to the handle 2 Pull the trigger out of the bottom of the handle 3 Remove the spring cap headed push pin valve spool relief seat poppet springs and spring rest from the handl...

Page 13: ...ndle New model valve spools are not backwards compatible You must order a new handle assembly Part Number 73167 and a new valve spool if replacement is necessary Older Model Valve Spool Part Number 07998 New Model Valve Spool Part Number 73046 Remove the Reversing Spool 1 Remove the retaining ring from the valve spool 2 Remove the set screw from the reversing lever Remove the lever from the valve ...

Page 14: ...ing Impact Intensity The impacting intensity can be changed by adjusting the relief adjustment screw Adjusting the Relief Adjustment Screw 1 Remove hydraulic power from the tool 2 Loosen the hex nut on the relief adjustment screw 3 Turn the relief adjustment screw clockwise to increase the impact torque OR counter clockwise to decrease the impact torque Do not operate the tool with the relief adju...

Page 15: ...ance on underwater models after each use 1 Remove hydraulic power from the tool 2 Clean and grease the impact mechanism with a waterproof grease See Grease the Impact Mechanism on page 14 3 Using a water displacing oil spray into the trigger 4 Spray or dip the entire tool Tool Disposal Hydraulic Oil Hydraulic oil can contaminate the air ground and water if not properly recycled Recycle hydraulic o...

Page 16: ...STANLEY Infrastructure 6430 SE Lake Road Portland Oregon 97222 USA 503 659 5660 Fax 503 652 1780 www stanleyinfrastructure com ...

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