Instruction Manual

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Table Of Contents

What has changed?

For all non-diesel models of GT and HP Power Units, a shipping cap will be installed over the breather valve of the hydraulic oil tank.

This shipping cap and attached warning tag must be removed before using the power unit. Failure to remove this cap may cause catastrophic power unit

damage.

Pump damage can occur if action is not taken! Remove the attached

shipping cap and tag before using this power unit. Failure to remove the

shipping cap could cause catastrophic damage.

Why has the change taken place?

During shipping, it is possible for hydraulic oil to escape the hydraulic oil reservoir through the breather valve. In order to eliminate hydraulic oil spillage,

STANLEY will install a cap over the breather valve before the power unit is shipped.

How to Remove the Shipping Cap

1. Unpack the power unit.

2. Locate the shipping cap installed over the breather valve.

Note: The shipping cap will be connected to a large information tag.

Plug and Tag Installed Plug and Tag Removed

3. Grasp the base of the cap, pull it off of the breather valve and discard it.

Note: If your power unit breather valve does not have a cap installed, you may use the power unit normally.

Infrastructure

GT & HP Power Unit Technical Bulletin

12/2019 Ver. 1

Summary of content (28 pages)

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Infrastructure GT & HP Power Unit Technical Bulletin 12/2019 Ver. 1 What has changed? For all non-diesel models of GT and HP Power Units, a shipping cap will be installed over the breather valve of the hydraulic oil tank. This shipping cap and attached warning tag must be removed before using the power unit. Failure to remove this cap may cause catastrophic power unit damage. Pump damage can occur if action is not taken! Remove the attached shipping cap and tag before using this power unit.
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HP12 HYDRAULIC POWER UNIT (HP12B) USER’S MANUAL SAFETY, OPERATION AND MAINTENANCE © 2017 STANLEY Black & Decker, Inc. New Britain, CT 06053 U.S.A. 81117 12/2021 Ver.
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TABLE OF CONTENTS SAFETY SYMBOLS.................................................................................................................................................5 SAFETY PRECAUTIONS .......................................................................................................................................6 TOOL STICKERS AND TAGS .................................................................................................................................7 HOSE TYPES ............
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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.
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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. • Do not inspect hoses and fittings for leaks by using bare hands. “Pin-hole” leaks can penetrate the skin. These safety precautions are given for your safety. Review them carefully before operating the tool and before performing general maintenance or repairs. • NEVER OPERATE THE POWER UNIT IN A CLOSED SPACE.
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TOOL STICKERS AND TAGS 74759 Power Unit Dash Decal 76748 Single Circuit Decal XXXXXXXXXXXX P/N: 84815 (20XX) 84815 Emissions Decal HP12 User Manual ◄ 7
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HOSE TYPES The rated working pressure of the hydraulic hose must be equal to or higher than the relief valve setting on the hydraulic system. There are three types of hydraulic hose that meet this requirement and are authorized for use with STANLEY hydraulic tools. They are: Certified non-conductive — constructed of thermoplastic or synthetic rubber inner tube, synthetic fiber braid reinforcement, and weather resistant thermoplastic or synthetic rubber cover.
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Tool to Hydraulic Circuit Hose Recommendations This chart is intended to be used for hydraulic tool applications only based on STANLEY tool operating requirements and should not be used for any other applications. All hydraulic hose must have at least a rated minimum working pressure equal to the maximum hydraulic system relief valve setting. All hydraulic hose must meet or exceed specifications as set forth by SAE J517. LPM Hose Lengths FEET METERS Inside Diameter INCH MM USE (Press/Return) Min.
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HTMA / EHTMA REQUIREMENTS HTMA / EHTMA REQUIREMENTS TOOL TYPE HTMA HYDRAULIC SYSTEM REQUIREMENTS TYPE I TYPE II TYPE RR TYPE III 4-6 GPM (15-23 LPM) 7-9 GPM (26-34 LPM) 9-10.
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OPERATION PREPARATION FOR USE Do not operate HP12 until you have completed the following steps: READ THE ENGINE “OPERATING & MAINTENANCE INSTRUCTIONS” MANUAL. CHECK ENGINE CRANKCASE OIL LEVEL Check the oil level before starting the engine. Make sure the oil level is at the FULL MARK on the dipstick. Do not overfill. Use detergent oil classified "For Service SE, SF, SG" as specified in the engine “Operating & Maintenance Instructions” manual.
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OPERATION Throttle / Flow Selector Knob Ignition Switch Flow Switch CONTROLS HP12 can provide one 8 GPM/30 LPM circuit, one 10 GPM/40 LPM circuit or one 12 GPM/45 LPM circuit. STARTUP Female Hydraulic Hose Fitting Male Hydraulic Hose Fitting 1. Toggle the Flow Switch to the “FLOW OFF” position 2. Select the desired circuit flow using the Flow Selector Knob. 3. Toggle the Flow Switch to the “FLOW ON” position. 1. Toggle the Flow Switch to the "FLOW OFF" position.
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MAINTENANCE & TESTING ENGINE MAINTENANCE SCHEDULE Follow the maintenance instructions provided in the engine “Operating & Maintenance Instructions” manual. HYDRAULIC SYSTEM MAINTENANCE • Check hydraulic fluid level daily and fill if needed. • Check hydraulic lines and fittings daily for leaks, kinks or damage. Do not use your hand to perform this check. • Remove condensed moisture from the hydraulic fluid: 1. Set the flow selector to a 8 GPM/20 LPM flow. 2.
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TROUBLESHOOTING Problem Engine will not start. Remedy Cause Flow Switch is not in the “FLOW OFF” Make sure the Flow Switch is in the position. “FLOW OFF” position before attempting to start the power unit. Battery is not connected. Check the battery cables for continuity and re-attach to the battery. Weak battery charge. Test the battery voltage and charge if necessary. If the battery will not hold a charge, replace. No Fuel. Ensure the power unit is cool, then add fuel. Fuel filter is plugged.
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SPECIFICATIONS Engine: ....................................................................................................................................................23 hp Briggs Capacity.................................... One 8 GPM/30 LPM Circuit, One 10 GPM/40 LPM or One 12 GPM/50 LPM Circuit Length:................................................................................................................................................ 36 in. / 91.4 cm Width: ..................................
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HP12 FRAME PARTS ILLUSTRATION 2 1 2 3 5 9 12 6 8 9 7 4 8 9 8 10 11 ITEM # PART # QTY DESCRIPTION ITEM # PART # QTY DESCRIPTION 1. 76755 1 Frame Weldment 10. 62268 2 Lift Handle 2. 59075 2 Hex Flange Bolt 11. 62267 1 Rear Lift Handle 3. 59079 1 Cooler Guard 12. 58916 1 Handle Lock 4. 59095 2 Hex Flange Nut 5. 60945 2 Washer 6. 15476 2 Hex Head Capscrew - Use if hydraulic oil tank was manufactured BEFORE 1/1/2021.
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HP12 CONTROL PANEL ILLUSTRATION 2 1 5 3 6 4 7 14 9 8 15 16 17 18 11 13 10 12 19 ITEM # PART # QTY 1. 74759 1 Dash Decal 2. 62298 1 Choke Cable Assembly 3. 60959 1 Directional Valve with Cap 4. 60958 1 Solenoid Coil 5. 08104 2 Hollow Hex Plug 6. 76711 1 Manifold 76722 20 DESCRIPTION 21 22 23 31 Manifold Assembly (Items 3-7) 24 7. 59131 1 Relief Valve 8. 58856 1 3/8in. Female Coupler, -8 SAE 9. 58857 1 3/8in. Male Coupler, -8 SAE 30 10.
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HP12 ENGINE ILLUSTRATION - FRONT 26 25 1 6 5 4 2 24 3 3 23 20 21 22 19 18 17 ITEM # PART # QTY 1. 59074 2 2. - 3. 59095 16 15 DESCRIPTION 14 13 12 11 10 9 8 ITEM # PART # QTY DESCRIPTION Flange Bolt 15. 62296 2 Weather Strip - Provided as Part of Engine 16. 59083 1 Blower Housing 3 Nut 17. 40433 5 Flange Bolt 4. 59091 1 Oil Cooler 18. 26831 2 Washer 5. 59077 1 Hydraulic Oil Tank 19. 01213 2 Hex Head Capscrew 6. 59080 1 Front Grille 20.
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HP12 ENGINE ILLUSTRATION - BACK 18 19 20 22 21 1 3 2 5 4 6 7 8 23 24 26 27 25 16 17 12 15 14 ITEM # PART # QTY 1. 66214 1 2. 36152 3. 56655 11 10 9 13 DESCRIPTION ITEM # PART # QTY DESCRIPTION Heat Shield 15. 60921 1 Battery Cover 2 Hex Washer Screw 16. 60945 1 Washer 1 Pump Mount 17. 15476 1 Hex Head Cap Screw 4. 56656 1 Coupling 18. 71794 1 Fuel Tank Cap 5. 07819 1 Square Key 19. 60920 2 Grommet 6. 62385 2 Stud 20.
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HP12 ENGINE ILLUSTRATION - BASE 1 2 14 13 4 3 5 6 7 8 12 11 10 20 ► HP12 User Manual ITEM # PART # QTY DESCRIPTION 1. 76721 1 Engine 2. 12787 4 Flange Nut 3. 58897 1 Frame Base Weldment 4. 58976 4 Flange Bolt 5. 58975 2 Foot 6. 56633 2 Wheel and Tire - Model HP12B Only 7. 21318 2 Washer - Model HP12B Only 8. 31240 2 Retaining Ring - Model HP12B Only 9. 21714 2 Handle Bumper - Model HP12B Only 10. 58917 1 Axle - Model HP12B Only 11.
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HOSES, FITTINGS AND CLAMPS 2 1 3 11 4 12 10 9 5 7 8 2 2 2 ITEM # PART # QTY 1. 58943 1 6 5 DESCRIPTION Hose 2. 62199 4 Hose Clamp 3. 69384 4 Hose Clamp 4. 69383 2 Hose 5. 40364 2 45° Elbow Fitting 6. 59105 1 Hose Barb 7. 59089 1 Hose 8. 59088 1 Hose 9. 58569 1 90° Elbow Fitting 10. 350000 1 45° Fitting 11. 02773 1 Adapter 12.
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MAIN WIRING HARNESS PART NUMBER 76710 Start Switch Solenoid Coil Hour Meter Red Black Positive battery cable to starter solenoid (Red) Engine Kill (Black) Flow Switch Starter Relay Black Red Starter Solenoid (Green) Battery Oil Pressure Switch 22 ► HP12 User Manual Fuel Shutoff (Red)
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CIRCUIT 1 SWITCH ON / OFF ENGINE OIL SWITCH WHITE WIRE NO 10 A FUSE NC MAGNETO STARTER INTERLOCK RELAY NC HOUR METER STARTER SOLENOID M STARTER REGULATOR RECTIFIER 6 5 4 3 2 1 STARTER 1. OFF 2. RUN 3.
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STANLEY Infrastructure 6430 SE Lake Road Portland, Oregon 97222 USA (503) 659-5660 / Fax (503) 652-1780 www.stanleyinfrastructure.