MS-12-37, R2
Contents
1. the dipstick and checking for a proper amount of oil Too much or too little oil will prevent the pump from operating properly a 1 4 through 1 2 in fittings not approved for use with the MHSU 6 The pump manufacturer specifies using 10W pump P g 5 8 and 3 4 in fittings use 1 in 25 mm and over MHSU AW 46 grade hydraulic oil or equivalent with an with appropriate 5 8 and 3 4 in super duplex dies antifoaming additive SAF 2507 Super Duplex Fittings SWAGELOK COMPANY 29500 Solon Road Solon Ohio 44139 3492 U S A Telephone 1 440 248 4600 FAX 1 440 349 5970 The Swagelok Limited Lifetime Warranty Swagelok hereby warrants to the purchaser of this Product that the nonelectrical components of the Product shall be free from defects in material and workmanship for the life of the Product All electrical components installed in or on the Product are warranted to be free from defects in material and workmanship for twelve months from the date of purchase Manufacturer shall be liable only if the Product is used as specified in the current catalogs and written instructions The purchaser s remedies shall be limited to replacement and installation of any parts that fail through a defect in material or workmanship MANUFACTURER SPECIFICALLY DISAVOWS ANY OTHER REPRESENTATION EXPRESS OR IMPLIED WARRANTY OR LIABILITY RELATING TO THE CONDITION OF USE OF THE PRODUCT AND IN NO EVENT SHALL SWAG2. ELOK BE LIABLE TO PURCHASE OR ANY THIRD PARTY FOR ANY DIRECT OR INDIRECT CONSEQUENTIAL OR INCIDENTAL DAMAGES Swagelok TM Swagelok Company SAF 2507 TM Sandvik AB 2002 Swagelok Company www swagelok com Printed in U S A 4 MS 12 37 Revision 2 12 02 CP
3. Multihead Hydraulic OWAN Swaging Unit MHSU Setup and Operating Instructions Up to 1 in 25 mm MHSU with base 1 in 25 mm and over MHSU with base also for use with 5 8 and 3 4 in SAF 2507 super duplex fittings Definitions Statements and symbols are used in this document to identify safety concerns Read the definitions below before setting up and operating the MHSU Caution Statements that identify conditions or Warning Statements that identify conditions or practices that could result in damage to practices that could result in personal the equipment or other property injury or loss of life A CAUTION WARNING Indicates cautionary information EYE PROTECTION Eye protection must be worn while operating or working near the MHSU READ AND UNDERSTAND THESE INSTRUCTIONS BEFORE USING THE MHSU MS 12 37 Revision 2 12 02 CP amp Components Unit with Body Die Heads and Base Hydraulic hand pump Pump bypass valve Indicator knob Retaining ring amp Locating pin Gap inspection Chamfer blocks gauges we Base Die heads MHSU hydraulic housing Safety glasses Retaining ring pliers Safety Precautions Setup 1 Remove the retaining ring from the hydraulic housing of the MHSU body by using the Use safety glasses when setting up and retaining ring pliers operating the MHSU A Use caution when releasing the retaining A Do not tamper with or alter any ring from the pliers components
4. decal C Ifa file is used on the OD make a 10 x 0 06 in 1 5 mm chamfer D Remove any burrs Use of Swagelok tube deburring tools is recommended NOTE Deburring is important for proper fitting function as well as for clean leak free systems If burrs are not removed from the OD of the tube it could prevent the tube from being fully inserted through the nut ferrules or against the shoulder of the fitting body ID burrs could also break off MS 12 37 3 Revision 2 12 02 CP Troubleshooting 1 If tubing is difficult to remove from the MHSU Recommended Minimum Wall Thickness of after preswaging rock the tubing back and Tubing for use with the MHSU forth to remove it Refer to the Recommended Minimum Wall Thickness table swaging Fractionalitubing Mee TURIN tubing below the recommended minimum wall visu pauc ee SUES It in tube stickin Size Steel Steel Size Steel Steel may resu g in in in mm mm mm A Do not rotate the tubing 2 If the indicator knob does not release or oil is leaking return the unit to your independent Swagelok sales and service representative 3 If the die head piston is binding contact your independent Swagelok sales and service representative 4 If the Swagelok nut does not cover all of the die head threads verify that the bypass valve is open and the piston is not binding in the body die 5 If the pump fails to build pressure check the oil level in the pump by removing
5. o place The knob shoulder should be flush knob releases Stop pumping immediately with the hydraulic housing after the indicator knob pops Note If the indicator knob does not snap into 8 Open the pump bypass valve by turning the place or is not flush with the housing the piston handle 1 2 to 1 turn counterclockwise may not be fully retracted This problem may 9 Unthread the Swagelok nut and remove the be caused by the bypass valve being closed or preswaged assembly from the housing by the piston binding Do not proceed until unit 10 Inspect the tube end for a radial indentation bottom marking see decal in MHSU case This indentation indicates the tubing was properly bottomed in the MHSU If there is not a visible indentation the preswaged assembly should not be used Install the preswaged assembly into the fitting body Turn the nut onto the fitting body until it is finger tight Hold the fitting body stable and tighten the nut 1 2 turn with a wrench A Use the Swagelok MHSU gap inspection gauge to assure the installer or inspector that the fitting has been sufficiently tightened Gauging Instructions Position the Swagelok MHSU gap inspection gauge adjacent to the gap between the nut and body hex E f the gauge will not enter the gap the fitting is sufficiently tightened E f the gauge will enter the gap additional tightening is required chamfer block with a hammer to coin the end as shown on the instruction
6. of the MHSU 2 Remove the previously installed die head from A the hydraulic housing Return the MHSU to your independent 3 Select the appropriate size die head Swagelok sales and service representative if any signs of hydraulic fluid leakage or malfunction occur 4 Check the die head piston for movement by depressing the piston before inserting the die head into the hydraulic housing 5 Insert the selected die head into the hydraulic housing and align the notch on the die head with the corresponding locating pin on the hydraulic housing 6 Reinstall the retaining ring into the hydraulic housing using the retaining ring pliers Note Visually verify that the retaining ring is fully inserted into the hydraulic housing 7 The MHSU is now ready for operation 8 Refer to the Recommended Minimum Wall Thickness of Tubing for use with the MHSU table in the Troubleshooting section for information on recommended tubing size A Pumping after the indicator knob releases may cause over swaging which causes the tube to stick and may affect gaugeability 2 MS 12 37 Revision 2 12 02 CP Operation 1 Open the pump bypass valve by turning the handle counterclockwise at least 1 2 to 1 turn It may be necessary to first close the valve is functioning properly Contact your independent Swagelok sales and service representative for further assistance Prepare tube ends by deburring or using the Swagelok chamfer block as foll
7. ows and as shown on the instruction decal in the MHSU case The chamfer block procedure should be followed when using the up to and including one inch tubing on the MHSU A Cut tubing squarely Use of a Swagelok tube saw guide is recommended B For up to and including one inch MHSU use the chamfer blocks provided Insert cut end of tubing in to the chamfer block and while firmly holding the tubing strike the 11 and cause damage in other parts of the system by lodging in small holes or vents or by scratching valve seats or soft seals completely by turning the handle clockwise until 5 Insert tubing into the nut until it rests firmly it stops against the piston shoulder Refer to the Install the Swagelok nut and ferrules onto the Recommended Minimum Wall Thickness of die head in the order and orientation shown Tubing for Use with the MHSU table on page until finger tight and all die threads are covered 4 Use of tubing below the recommended by the nut minimum wall may result in the tube sticking in the die head 6 Close the pump bypass valve to the finger tight O A NS A position by rotating valve handle clockwise until a Jj p it stops ze 7 While holding the tubing against the piston Back Front Die shoulder increase the hydraulic pressure by Nut ferrule ferrule head using the hand pump until the indicator knob is released Push the indicator knob forward until it snaps Do not keep pumping after the indicator int
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