Page 2 - NOTES
Page 3 - SERIOUS INJURY OR DEATH COULD RESULT FROM THE IM-; WARNING; TABLE OF CONTENTS; IMPORTANT
GT23 User Manual 3 For the nearest authorized and certified dealer, call Stanley Hydraulic Tools at the number listed on the back of this manual and ask for a Customer Service Representative. SERVICING: This manual contains safety, operation, and routine maintenance instructions. Stanley recommends ...
Page 4 - LOCAL SAFETY REGULATIONS; DANGER; CAUTION; CAUTION; NOTICE; SAFETY SYMBOLS
4 GT23 User Manual 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. Safety symbols and sign...
Page 5 - SAFETY PRECAUTIONS
GT23 User Manual 5 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 perfo...
Page 6 - DASH DECALS
6 GT23 User Manual Single Circuit Sticker 68595 Stanley Dash Sticker 62302 DASH DECALS
Page 7 - HOSE TYPES; HOSE SAFETY TAGS; HYDRAULIC HOSE REQUIREMENTS
GT23 User Manual 7 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: Certif...
Page 8 - Typical Hose Connections; Tool to Hydraulic Circuit Hose Recom; HOSE RECOMMENDATIONS
8 GT23 User Manual Oil Flow Hose Lengths Inside Diameter USE ( Press/Return) Min. W orking Pressure GPM LPM FEET METERS INCH MM PSI BAR Certified Non-Conductive Hose - Fiber Braid - for Utility Bucket T rucks 4-9 15-34 up to 10 up to 3 3/8 10 Both 2250 155 Conductive Hose - W ire Braid or Fiber Brai...
Page 9 - HTMA / EHTMA REQUIREMENTS
GT23 User Manual 9 Flow Range Nominal Operating Pressure (at the power supply outlet) System relief valve setting (at the power supply outlet) Maximum back pressure (at tool end of the return hose) Measured at a max. fluid viscosity of: (at min. operating temperature) Temperature: Sufficient heat re...
Page 10 - PREPARATION FOR USE; OPERATION
10 GT23 User Manual 5. HYDRAULIC CONNECTIONS The recommended hose length is 25 ft/8 m with a 1/2 inch/12.7 mm inside diameter. The hoses must have a working pressure rating of at least 2500 psi/175 bar. Each hose end must have male thread ends compatible with H.T.M.A. (HYDRAULIC TOOL MANUFACTURERS A...
Page 12 - STARTUP; FOR 8 GPM OPERATION; CONTROLS
12 GT23 User Manual Note: It may be necessary to reset the Controller. At times it may be neccessary to reset the controller. This could happen if a fault occurs in the controller. For ex- ample, excessive engine speed. If a fault does occur the power unit will return to an idle and the operator wil...
Page 13 - COLD WEATHER STARTUP; SHUTDOWN
GT23 User Manual 13 COLD WEATHER STARTUP 1. Use the procedures described under "STARTUP" and then follow the procedure below. 2. Hydraulic fluids are thicker in cold weather. Therefore, it is recommended that the engine be run at low idle long enough to bring the fluid temperature up to a mi...
Page 14 - STORAGE; ROUTINE MAINTENANCE
14 GT23 User Manual STORAGE • Clean the unit thoroughly before storage. Do not use water pressure. • Always store the unit in a clean and dry facility. • If the unit will be stored for a prolonged period (over 30 days), add a fuel additive to the fuel tank to prevent the fuel from gumming. Run engin...
Page 15 - CHECKING PERFORMANCE CONTROL; PROGRAMMABLE CONTROLLER
GT23 User Manual 15 1. Disconnect red wires from the control module to actuator. 2. Attach jumper wires from battery to the RED wires to actuator. 3. Actuator should move throttle lever to wide open posi- tion. a. If actuator does not move it is defective. (Replace). b. If actuator moves throttle to...
Page 16 - FAULT CODES
16 GT23 User Manual 1 Unit not calibrated yes Have engine serviced by an Authorized Stanley Dealer. 2 Engine speed excessive yes Have engine serviced by an Authorized Stanley Dealer. 3 Engine speed unusually low yes Have engine serviced by an Authorized Stanley Dealer. 4 Engine shutdown due to engin...
Page 17 - TESTING THE 8 GPM HTMA TYPE II CIRCUIT; TESTING THE HYDRAULIC CIRCUIT
GT23 User Manual 17 GENERAL Tests and adjustments should be performed periodically to ensure the power unit is operating at maximum efficiency. Stanley Circuit Tester is recommended. This tester can be used to isolate problems in both the engine and hydraulic system prior to any power unit disassemb...
Page 18 - TROUBLESHOOTING
18 GT23 User Manual Engine will not start. Flow selector switch not in the Make sure the flow selector switch is in OFF position. the OFF position when starting. Battery not connected. Attach battery cables, check wires. Weak battery. Test battery, charge or replace. No fuel. Add Fuel. Fuel filter p...
Page 19 - SPECIFICATIONS
GT23 User Manual 19 Engine: ............................................................................................................................................................... 23 hp Briggs Capacity......................................................................................... O...
Page 20 - BRIGGS ENGINE ASSEMBLY
20 GT23 User Manual 30 26 40 39 41 38 46 7 34 24 44 51 6 5 46 43 30 45 53 50 58 57 4 11 12 13 16 17 30 31 33 47 42 48 49 32 28 27 56 40 41 29 19 22 25 23 15 14 18 2 1 3 63 55 71 62 73 64 28 61 8 72 TO O IL F IL TER ON S ID E O F ENGI N E TO EN G IN E TH R O TTLE LI N K A G E 68 75 28 60 70 69 67 PA ...
Page 21 - BRIGGS ENGINE PARTS LIST
GT23 User Manual 21 ITEM P/N QTY D E S C R I P T I O N 1 N/A 1 Muffler (Part of Item 4) 2 66214 1 Heat Shield 3 36152 2 Screw, Hex Washer 4 68674 1 Briggs Engine 5 56656 1 Coupling 6 07819 1 Square Key 7 07860 2 Capscrew, 3/8-16 x 1-1/4 8 31765 1 Pressure Switch 9 12787 4 Flange Nut 11 59076 1 Bushi...
Page 23 - FRAME PARTS
GT23 User Manual 23 ITEM P/N QTY D E S C R I P T I O N 1 370502 7 Capscrew, 5/16 in. -18 UNC 2 03906 7 Nylock Nut, 5/16 in. -18 UNC 3 62268 1 Handle, Rear Lift 4 58857 1 Coupler, Male 3/8 in., -8 SAE 5 58856 1 Coupler, Female 3/8 in., -8 SAE 6 60962 2 Capscrew, 1/4 in. -20 7 59130 1 Manifold Assy, S...
Page 25 - MAIN WIRING HARNESS
GT23 User Manual 25 RECTIFIER WIRE WHITE CONTROLLER TO MAGNETO WIRE ON ENGINE GRAY WIRE OIL PRESSURE SWITCH FUEL SHUTOFF RED WIRE - THROTTLE CONTROL SWITCH (NOTE: PLUG BEHIND SWITCH WITH BLUE & YELLOW WIRES GOES TO SWITCH ON TOP) RELAY-62301 SUPPLIED W/62293 HARNESS PRESSURE SWITCH TO ACTUATOR R...
