Blagdon Pump B75 Service & Operating Manual Download Page 2

Summary of Contents for B75

Page 1: ...ial Codes 5 Composite Repair Parts Drawing 6 Available Service and Conversion Kits 6 Composite Repair Parts List 6 Air Distribution Valve Assembly Drawing and Parts List 7 Air Distribution Valve Servicing 7 Pilot Valve Assembly Drawing and Parts List 8 Pilot Valve Servicing 8 Diaphragm Service Drawing with Overlay 9 Diaphragm Service Drawing Non Overlay 9 Diaphragm Servicing 9 Overlay Diaphragm Se...

Page 2: ......

Page 3: ...Gallons per minute 1 36 Bar 20 PSI Air Inlet Pressure 136 80 B75 IMPORTANT This pump should be used in accordance with the requirements of the Health and Safety at Work Act 1974 All business conducted subject to Blagdon Pump Terms and Conditions of Sale available on request Lambert Road Armstrong Washington Tyne Wear NE37 1QP ENGLAND Tel 0191 4177475 Fax 0191 4175435 e mail sales blagdonpump com B...

Page 4: ...ydraulic fluid resistance Should not be used with highly polar solvents like acetone and MEK ozone chlorinated hydrocarbons and nitro hyrdrocarbons EPDM Shows very good water and chemical resistance Has poor resistance to oil and solvents but is fair in ketones and alcohols Neoprene All purpose Resistant to vegetable oil Generally not affected by moderate chemicals fats greases and many oils and s...

Page 5: ...25 psi 8 6 bar Connect the pump air inlet to an air supply of sufficient capacity and pressure required for desired performance When the air supply line is solid piping use a short length of flexible hose not less than 13mm in diameter between the pump and the piping to reduce strain to the piping The weight of the air supply line regu lators and filters must be supported by some means other than ...

Page 6: ...o Check Blocked discharge line Corrective Action Check for obstruction or closed discharge line valves What to Check Blocked pumping chamber Corrective Action Disassemble and inspect the wetted chambers of the pump Remove or flush any obstructions Refer to the pump SERVICE MANUAL for disassembly instructions What to Check Entrained air or vapor lock in one or both pumping chambers Corrective Actio...

Page 7: ...n Molded Polyurethane 358 Urethane Rubber Compression Mold 359 Urethane Rubber 360 Buna N Rubber Color coded RED 361 Buna N 363 Viton Flurorel Color coded YELLOW 364 E P D M Rubber Color coded BLUE 365 Neoprene Rubber Color coded GREEN 366 Food Grade Nitrile 368 Food Grade EPDM 370 Butyl Rubber Color coded BROWN 371 Philthane Tuftane 374 Carboxylated Nitrile 375 Fluorinated Nitrile 378 High Densit...

Page 8: ...10E Manifold Discharge 3 BSP Parallel 1 B518 156 110E Manifold Discharge 3 BSP Parallel 1 B518 156 156E Manifold Discharge 3 BSP Parallel 1 24 B530 010 000 Silencer 1 25 B545 005 330 Nut Hex 7 16 14 16 26 B545 007 330 Nut Hex 1 2 13 16 27 B560 001 360 O Ring 2 28 B560 105 360 Seal O Ring see item 35 8 B560 105 363 Seal O Ring see item 35 8 B560 105 364 Seal O Ring see item 35 8 B560 105 365 Seal O...

Page 9: ...l one bumper item 1 C one end cap item 1 E with an o ring item 1 G into one end of the air valve body item 1 B Install one retaining ring item 1 H into the groove on the same end Remove the new sleeve an spool set item 1 A from the plastic bag Carefully remove the spool from the sleeve Install the six o rings item 1 G into the six grooves on the sleeve Apply a light coating of grease to the o ring...

Page 10: ...ing of grease to the outer diameter of the pilot valve spool and gently push the spool through each wiper Step 4 Inspect the actuator plungers See ILLUSTRATION AT RIGHT The actuator plungers items 31 can be reached through the pilot valve cavity in the intermediate assembly item 5 Remove the plungers item 30 from the bushings item 7 in each end of the cavity Inspect the installed o ring items 27 f...

Page 11: ...k into the vice Use a torque wrench to tighten the diaphragm assembly together to 50 ft lbs 67 79 Newton metres Allow a minimum of 15 minutes to elapse after torquing then re torque the assembly to compensate for stress relaxation in the clamped assembly Step 5 Installing the diaphragm assemblies to the pump Make sure the bumper item 6 is installed over the diaphragm rod Thread the stud of the one...

Page 12: ...SAL AREA PUMP INSTALLATION AREA 1 DIAMETER AIR EXHAUST PIPING SILENCER CONVERTED EXHAUST ILLUSTRATION Illustration 1 Illustration 2 Illustration 3 1 DIAMETER AIR EXHAUST PIPING LIQUID LEVEL SUCTION LINE SILENCER 1 DIAMETER AIR EXHAUST PIPING LIQUID LEVEL SUCTION LINE SILENCER Page 10 Check Valve Drawing CHECK VALVE SERVICING Before servicing the check valve components first shut off the suction li...

Reviews: