Page 2 - DECLARATION OF CONFORMITY
2 ► SM20 User Manual DECLARATION OF CONFORMITY ÜBEREINSTIMMUNGS-ERKLARUNG DECLARATION DE CONFORMITE CEE DECLARACION DE CONFORMIDAD DICHIARAZIONE DI CONFORMITA Hydraulic Tools ______________________________________________________________________ I, the undersigned: Ich, der Unterzeichnende: Je souss...
Page 3 - WARNING; SERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR OR; TABLE OF CONTENTS; IMPORTANT
SM20 User Manual ◄ 3 DECLARATION OF CONFORMITY .......................................................................................................................... 2 SAFETY SYMBOLS ....................................................................................................................
Page 4 - LOCAL SAFETY REGULATIONS; DANGER; CAUTION; CAUTION; NOTICE; SAFETY SYMBOLS
4 ► SM20 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 si...
Page 5 - SAFETY PRECAUTIONS
SM20 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 tool and hose.These safety precautions are given for your safety. Re- view them carefully before operating the tool and befor...
Page 7 - HOSE SAFETY TAGS; HOSE TYPES
SM20 User Manual ◄ 7 The rated working pressure of the hydraulic hose must be equal to or higher than the relief valve setting on the hy- draulic system. There are three types of hydraulic hose that meet this requirement and are authorized for use with Stanley Hydraulic Tools. They are: Certified no...
Page 8 - Tool to Hydraulic Circuit Hose Recommendations; HOSE RECOMMENDATIONS
8 ► SM20 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 Br...
Page 9 - HTMA / EHTMA REQUIREMENTS
SM20 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 ...
Page 10 - PREOPERATION PROCEDURES; CHECK POWER SOURCE; PUMP OPERATION; WHEN PUMPING WATER MIXED; OPERATION
10 ► SM20 User Manual PREOPERATION PROCEDURES CHECK POWER SOURCE 1. Using a calibrated flow meter and pres sure gauge, make sure the hydraulic power source develops a flow of 4–6 gpm/15–23 Ipm at 1000-2000 psi/70–140 bar or 7–9 gpm/26–34 lpm at 1000-2000 psi/70/140 bar. 2. Make certain that the powe...
Page 11 - COLD WEATHER OPERATION; CLEANING THE PUMPING CHAMBER
SM20 User Manual ◄ 11 • Do not lift water mixed with solids over 40 ft/12 m if hydraulic flow from the power source is less than 7 gpm/26 lpm. • If output flow from the water hose drops during oper - ation, clean out the hose to remove all obstructions. Check for kinks in the hose. NOTE:Always keep ...
Page 12 - TOOL PROTECTION & CARE
12 ► SM20 User Manual NOTICE In addition to the Safety Precautions found in this manual, observe the following for equipment protection and care. • Make sure all couplers are wiped clean before con- nection. • The hydraulic circuit control valve must be in the “OFF” position when coupling or uncoupl...
Page 13 - TROUBLESHOOTING
SM20 User Manual ◄ 13 If symptoms of poor performance develop, the following chart can be used as a guide to correct the problem.When diagnosing faults in operation, always make sure the hydraulic power source is supplying the correct hydrau- lic flow and pressure as listed in the table. Use a flowm...
Page 14 - ACCESSORIES; SPECIFICATIONS
14 ► SM20 User Manual Capacity........................................................................................................................................... 250 gpm/946 lpm Weight ..............................................................................................................
Page 15 - SM20 PARTS ILLUSTRATION
Page 16 - SM20 PARTS LIST
16 ► SM20 User Manual ITEM NO. PART NO. QTY DESCRIPTION 1 19177 1 VOLUTE TOP 2 08910 1 VOLUTE BOTTOM 3 08912 1 SUCTION SCREEN 4 08914 25669 1 1 IMPELLER IMPELLER (SM2043101, SM2043107 ONLY) 5 08916 1 WEAR RING 6 19175 21120 1 1 MAIN SHAFT MAIN SHAFT (SM2052101 ONLY) 08920 1 FRONT BEARING RETAINER AS...
Page 17 - UNDERWATER TOOLS DEPTH GUIDELINE; Operation Overview; Diver; Recommended Hose Diameters
SM20 User Manual ◄ 17 For underwater hydraulic tools the applications are broken down into four quadrants depending on type of tool and method of operation. The types of tools are percussive and rotational, each with different characteristics allowing for dif- ferent depth operation. With percussive...