REPAIRS AND / OR SERVICE TO THIS TOOL MUST ONLY BE DONE BY AN AUTHORIZED AND CERTIFIED DEALER. For the nearest authorized and certified dealer, call Stanley Hydraulic Tools at (503) 659-5660 and ask for a Customer Service Representative. HP TWIN8 User Manual ◄ 3...
SAFETY SYMBOLS Safety symbols and signal words, as shown below, are used to emphasize all operator, maintenance and repair ac- tions 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.
SAFETY PRECAUTIONS Tool operators and maintenance personnel must always • Do not inspect hoses and fittings for leaks by using comply with the safety precautions given in this manual bare hands. “Pin-hole” leaks can penetrate the skin. and on the stickers and tags attached to the tool and •...
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SAFETY PRECAUTIONS • Warning: Hydraulic fluid under pressure could cause skin injection injury. If you are injured by hydraulic fluid, get medical attention immediately. • Be observant of the hydraulic hoses lying about the work area, they can be a tripping hazard. •...
HOSE SAFETY TAGS To help ensure your safety, the following DANGER tags are attached to all hose purchased from Stanley Hydraulic Tools. DO NOT REMOVE THESE TAGS.
HTMA / EHTMA REQUIREMENTS HTMA / EHTMA REQUIREMENTS HTMA TOOL TYPE HYDRAULIC SYSTEM REQUIREMENTS TYPE I TYPE II TYPE RR TYPE III 4-6 gpm 7-9 gpm 9-10.5 gpm 11-13 gpm Flow Range (15-23 lpm) (26-34 lpm) (34-40 lpm) (42-49 lpm) 1500 psi 1500 psi 1500 psi...
A fully charged battery should read 12.8V -13.0V. growth that may occur in cool operating hydraulic Caution, overcharging can harm your battery beyond circuits. These fluids are recommended by Stanley. recovery. When using an automatic charger, refer to Other fluids that meet or exceed the specifications of the charger manufacturer’s instructions.
OPERATION COUPLERS (HOSE CONNECTIONS) The flow control levers when turned “ON” (up position) turns on flow to the tool or tools depending on if you Top Male Quick Disconnect are using one or both circuits. Couplers (Pressure Fluid Out) STARTUP 1.
MAINTENANCE ENGINE MAINTENANCE BATTERY MAINTENANCE Follow the maintenance schedule and general • If the power unit is not in use for two or more months, maintenance instructions and emissions control check the battery once a month and charge if the bat- maintenance in the engine operators manual furnished tery voltage is below 12.5V.
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MAINTENANCE Standard Maintenance Schedule Hours Daily 100 125 150 175 200 Foam Air Pre-Cleaner Paper Air Filter Inline Fuel Filter Spark Plugs (Gap-0.030 in (0.76 mm) Engine Oil Filter Engine Oil Engine Oil Level Remove Dirt & Debris With Brush Clean Air Cooling System (don’t use water) Hydraulic Fluid Level Hydraulic Fluid...
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MAINTENANCE SEE PAGE 19 FOR REPLACEMENT FILTER PART NUMBERS FUEL FILTER, FUEL LINE FROM TANK TO FILTER ENGINE OIL “GG” CONNECTION HYDRAULIC OIL FILTER COOLER See Page 27 HYDRAULIC FUEL LINE FROM TANK TANK TO FUEL PUMP THROTTLE CABLE FUEL VAPOR LINE FROM CARBON CANISTER TO ENGINE (CONNECTION “HH”) See Page 27...
CIRCUIT TESTING GENERAL Check that the tester restrictor valve is fully open (counterclockwise) on the flow and pressure tester. Tests and adjustments should be performed 5. Start the engine and allow it to run until warm. periodically to ensure the power unit is operating at maximum efficiency.
TROUBLESHOOTING Problem Cause Solution Engine will not start Battery not connected. Attach battery cables, check wires. Weak battery. Test battery, charge or replace. No fuel. Add fuel. Fuel filter plugged. Replace fuel filter. Defective spark plugs. Remove plugs, check gap, clean or replace.
POWER UNITS & GAS/FUEL DRIVEN EQUIPMENT: A1. Federal Emission Component Compliance 40CFR part 1060.120 Stanley warrants all fuel system emission components for 2 years from the date of original purchase provided there has been no abuse, neglect, modifications, or improper maintenance.
LOWER FRAME ILLUSTRATION Item 5 pressure switch (not pictured) mounts next to engine oil filter. Item 26 control block on pg 22 mounts to backside of this plate. Item 19 mounts inside lower frame on axles Item 24 mounts inside lower CONNECTION frame using see pg 27...
HYDRAULIC GROUP ILLUSTRATION Connects to hose (Item 36) at left (see FF) Connects to (Item Connects to item 10 EE on Connects to hose (Item 7) below lower frame, see pg 20 37) at left (see JJ) Connects to back of control block, item 26 Below Connects to item...
CONTROL BLOCK DETAIL Connects to lower fitting on cooler, see JJ pg-22 CONTROL BLOCK ASSEMBLY P/N-203051 (INCLUDES THE FOLLOWING) Item 1 thru 4, 7, 12 thru 14, 17, 19 thru 21. Connects to upper fitting on cooler, see FF pg-22 -10 SAE fittings attach to pump.
HYDRAULIC & FUEL TANKS FUEL TANK VAPOR LINE CONNECTION “HH” TO ENGINE (SEE HYDRAULIC TANK FUEL LINE PAGE 15) CONNECTION “GG” TO FUEL FILTER (SEE HYDRAULIC OIL FILTER P/N- PAGE 15) 40408 (NOT PICTURED) BOLTS TO TOP OF CONTROL BLOCK ITEM 26, PAGE 22 CONNECTS TO “AA”...
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Stanley Hydraulic Tools 3810 SE Naef Road Milwaukie, Oregon 97267-5698 USA 503-659-5660 / Fax 503-652-1780 www.stanleyhydraulic.com...
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