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Pump head repair

Removing the pump head

Procedure

1. Remove tubing from the connections of the piston backflus-

hing (A).

2. Remove all connections from the solvent bottles.

3. Unscrew the eluent line (D).

4. Unscrew the outlet fitting 2 (E) and the inlet fitting pressure

sensor (F) so as to remove the capillary.

5. Loosen the opposite pairs of fastening screws (B) on the pump

head evenly and alternately.

6. Hold the pump head by hand, and consecutively pull out all

fastening screws.

7. Remove the pump head.

Fig. 1

Pump head

Legend

A Fastening screw

Inlet screw fitting

Connection for eluent
line

Outlet screw fitting

Inlet fitting of the pres-
sure sensor

Содержание BlueShadow 10P

Страница 1: ...BlueShadow HPLC Pump 10P 20P Service V7635A...

Страница 2: ...g the ball valves 21 Disassembling the housing 23 Removing the housing hood 23 Spare parts 24 Removing the side panels of the device 24 Spare parts 24 Overview of the open device 25 Removing and maint...

Страница 3: ...in materials made of plastic 46 Possible problems and rectifications 47 Spare parts 49 Pump head 49 10 ml Stainless steel head 49 Pump head 10 ml titanium 50 50 ml Pump head stainless steel 51 50 ml...

Страница 4: ...this manual What must be taken into account Observe the following All safety instructions in the maintenance manual All safety instructions in the device manual The environmental installation and conn...

Страница 5: ...r plug DANGER Danger due to toxic caustic or radioactive substances due to conta mination of the device The customer must ensure that the device has been thoroughly decon taminated before repairs are...

Страница 6: ...y beforehand Ground The ground connection for the pump has a designated hole with a thread M3 on the back of the device If the supplied power supply is used then the ground connec tion remains unused...

Страница 7: ...on of the timing belt Check motor and axial tolerance Replace all seals Clean the ball valves 10000 Clean drive and grease again if necessary Replace timing belt Overhaul pump head replace all wear pa...

Страница 8: ...to replace the ball valves Prerequisites Access to the list of spare parts online or manual OQ test has been performed Large clean work surface The pump head has been flushed with suitable solvent Sp...

Страница 9: ...E and the inlet fitting pressure sensor F so as to remove the capillary 5 Loosen the opposite pairs of fastening screws B on the pump head evenly and alternately 6 Hold the pump head by hand and conse...

Страница 10: ...illary screw fitting B Seal ring C Capillary connection kit D Inlet screw fitting E Ball valve F Seal G Outlet screw fitting H Capillary connection kit I Feed block J High pressure seal K Sapphire rin...

Страница 11: ...p head see manual 3 Remove and inspect the piston rods A of the removed pump head e g for wear tracks 4 Unscrew the piston guide B 5 Put the individual parts of the piston guide back onto the piston i...

Страница 12: ...of the piston guide A B C D E F Legend A High pressure seal from with metal wire mesh to the feed block B Sapphire ring C Adaptor ring for sap phire ring with guide to the outside D Piston Fig 6 Princ...

Страница 13: ...lushing Process Figure 1 Replace O rings A of the piston backflushing Fig 8 O ring of the piston backflushing 2 Screw the spe cial tool into the low pres sure seal B and pull from the flushing block F...

Страница 14: ...blocks The blocks are then laid onto each other in the correct orientation Pre forming the high pressure seal Process Figure 1 Setthehigh pressure seal A with the metal washer spring pointing outwards...

Страница 15: ...g together with the sapphire ring into the feed block Fig 12 Sapphire ring in the adaptor ring A Inserting the guide disc and the O ring into the piston back flushing Process Figure 1 Insert guide dis...

Страница 16: ...to the pis ton backflushing Process Figure 1 Place the low pressure seal A onto the special tool B 2 Press in the seal with the special tool Fig 14 Special tool and low pressure seal Fig 15 Feed block...

Страница 17: ...sitioning the washers flat compres sion springs bushings Process Figure The springs for the pis ton guide can be positi oned on the feed block and piston backflus hing which have been put together 1 P...

Страница 18: ...ition piston guide A 2 Insert screws with Allen wrench B 3 Manually press the piston guide C down against the compression springs 4 Alternately screw in the screws with a size 4 Allen wrench to 3 Nm m...

Страница 19: ...ess Title 1 Loosen the capillary connections C D bet ween the two feed chambers of the pump with a wrench alterna ting sides every revolu tion to avoid jamming due to tilting 2 Loosen screw fitting of...

Страница 20: ...s and irregular flow Purge the pump head before changing the ball valve Removing the ball valves Note Loosen the screw fittings of the capillary connections alternately to prevent the capillaries from...

Страница 21: ...inutes Installing the ball valves 1 Insert both ball valves 1 Screw in the outlet fitting 1 C and tighten to 15 Nm with a torque wrench 2 Screw in the inlet fitting 1 E and tighten to 15 Nm with a tor...

Страница 22: ...housing 1 Switch off the device and pull the power plug 2 Remove the hexagonal socket screws of the housing hood 3 Push back the housing hood and remove Tools Hexagonal socket screwdriver size 2 mm D...

Страница 23: ...ult Result The side panel of the housing is open Those repairs that are described in the manual for carrying out inside the device can be performed Spare parts Component Comment Order number Housing a...

Страница 24: ...open device Fig 26 Overview of the open device Fig 27 Overview of the open right side Legend A Pressure sensor B Motherboard C Fan D Motor E Pump drive F Pump head A B D E C F Legend A Pump drive B Dr...

Страница 25: ...ive Greasing the movable parts on the inside of the pump drive Tools Cross head screwdriver size 1 Auxiliary material Molykote grease paste Molykote bearing grease Duration About 30 minutes Level of d...

Страница 26: ...e the 3 cross head screws A on the bottom of the device 6 Remove pump drive from the device Fig 29 Underside of the device A Process Figure 1 Turn the gearwheel so that the second Phillips head screw...

Страница 27: ...ive shaft for signs of wear 3 Replace drive shaft if necessary 4 Grease the cam pla tes on the drive shaft with Molykote gre ase paste Fig 32 Drive shaft with gearwheel Process Figure 1 Remove slider...

Страница 28: ...d maintaining the pump drive Spare parts Component Comment Order number Pump drive complete G1244 Slider complete G2719 1 Drive shaft complete G2720 1 Molykote bearing grease MOS2 U0200 Molykote greas...

Страница 29: ...otor and the new timing belt Inspect the tension of the timing belt Tools Cross head screwdriver 321 PH 2 100 size Duration About 10 minutes Level of difficulty Level 4 from 1 to 7 very easy to very d...

Страница 30: ...or mount C with a screwdriver cross head do not unscrew them com pletely This removes the tension from the timing belt D 4 Remove timing belt 5 Screw out the three Phillips head flat head screws F aro...

Страница 31: ...y easy to very difficult Practical tip When the timing belt can be pressed in with a thumb by 1 2 mm the tension of the belt has been set correctly Spare parts Process Figure 1 Turn the drive shaft A...

Страница 32: ...The right side panel of the device has been removed Procedure Remove the PIN connector Open cable holder Unscrew the fan Tools Cross head screwdriver size 1 5 5 mm wrench Duration About 5 minutes Leve...

Страница 33: ...lder Plug the PIN connector into the motherboard Tools Cross head screwdriver size 1 5 5 mm wrench Duration About 5 minutes Level of difficulty Level 2 from 1 to 7 very easy to very difficult Process...

Страница 34: ...ating the direc tion of rotation cor responds with the arrow in the dra wing 2 Place washers onto the cross head screwdriver A 3 Insert all 4 screws through the rear panel of the device 4 Position the...

Страница 35: ...he Hall sensor Disconnect electrical connections Loosen cross head screw Tools Cross head screwdriver Time About 10 minutes Level of difficulty Level 2 from 1 to 7 very easy to very difficult Result T...

Страница 36: ...electronics Wear protective bracelet against electrostatic discharge and ground Result The LCD display has been replaced Spare parts Component Comment Order number Hall sensor G1595 Process Figure 1 P...

Страница 37: ...oving the keyboard Process Figure 1 Loosen flexible flat cable plug Fig 45 Flexible flat cable plug 1 At one corner of the keyboard insert a small knife under the keyboard arrow 2 Bend the keyboard up...

Страница 38: ...e is any protec tive film of the win dow for the LED display B remove it 2 Bend the flexible flat cable A slightly away from the key board 3 Remove protective film from the adhe sive surface Make sure...

Страница 39: ...has been unplugged The housing hood and left side panel have been removed Procedure Loosen all cables connected with the motherboard Unscrew the motherboard Tools Cross head screwdriver size 1 Tweezer...

Страница 40: ...ress in the snap lock of the cable plug C and of the pressure sensor and pull out the cable plug Fig 50 Board connector with snap lock 4 Hold the cable plug of the broad flat rib bon cable D to the Ha...

Страница 41: ...emoved Next steps Replace pressure sensor Install and connect a new motherboard Spare parts Process Figure 1 Remove both Phil lips head screws A on the back side of the device 2 Remove the mother boar...

Страница 42: ...ensor is available The service software for the calibration of the pressure sensor is available Practical tip Access to the pressure sensor is easier if the motherboard has been removed beforehand Pro...

Страница 43: ...the housing of the pump Installing a new pressure sensor 1 Guide the cable of the new pressure sensor through the ope ning and secure the pressure sensor with two 3 mm Allen screws 2 Connect the cable...

Страница 44: ...ss Titanium The specifications are maximum recommended tightening torques of the screws in the materials used by the manufacturer With respect to the material stainless steel A2 A4 valid for screw str...

Страница 45: ...ning torque for screws Screws in materials made of plastic The following materials are considered plastic PEEK PETP POM PMMA PTFE Size Tightening torque in Nm M2 0 2 M3 0 5 M4 1 0 M5 1 5 M6 2 5 M8 4 5...

Страница 46: ...eplace if neces sary Pulse station too high Zero point of camshaft not recognized Replace Hall sen sor printed circuit board Whenswitching on the pump the display remains dark and no fan can be heard...

Страница 47: ...ssure display shows incorrect values Motherboard not calibrated Pressure sensor defective Calibrate mother board of pump Replace pressure sensor Loud running noise from pump Timing belt worn Replace t...

Страница 48: ...eel head Order number Name E3111 Pump head G0563 Ball valve P7316 Washer P3830 Bushing G0926 Pipe connection M1310 Seal N0202 Support ring P6122 Piston guide M1371 O ring M1458 Seal R0462 Compression...

Страница 49: ...r number Name E3121 Pump head G0563 Ball valve P7316 Washer P3830 Bushing G0926 Pipe connection M1310 Seal N0202 Support ring P6122 Piston guide M1371 O ring M1458 Seal R0462 Compression spring P6117...

Страница 50: ...el Fig 59 50 ml Pump head stainless steel Order number Name E3112 Pump head G0563 Ball valve P7316 Washer M1300 Seal N0202A Support ring M2252 O ring R0462 Compression spring P6117 Piston guide P2712...

Страница 51: ...ead titanium Fig 60 50 ml Pump head titanium Order number Name E3131 Pump head G0563 Ball valve P7316 Washer M1300 Seal M1371 O ring R0462 Compression spring P6117 Piston guide P2712 1 Piston rod P273...

Страница 52: ...ce Fig 61 Device Fan Fig 62 Fan Order number Name K0779 External power supply M2146XA Keyboard P6601 Side panel right P6602 Side panel left P6603 Device hood P6610XA Housing angle complete Order numbe...

Страница 53: ...sure sensor complete G2704 Bushing G2727 Pressure sensor M1368 O ring P2719XA Ventilation screw P7015 Sealing ring PTFE P7022 Sealing ring PEEK Order number Name G1244 Drive complete G2719 1 Slider co...

Страница 54: ...55 Spare parts Motor Boards Fig 65 Motherboard Order number Name G2718 1 Motor M1840 Timing belt Order number Name G4119XB Motherboard G1613 LCD display M2146XA Keyboard G1595 Hall sensor...

Страница 55: ...ing with washers 18 Fig 17 Compression springs with bushing 18 Fig 18 Mounting the piston guide 19 Fig 19 Assembled pump head without peripherals 19 Fig 20 Ball valves with marking ring for the direct...

Страница 56: ...h snap lock 41 Fig 51 Cable plug to Hall sensor 41 Fig 52 PIN connector of fan cable 41 Fig 53 Motherboard spacer bolt 42 Fig 54 Pressure sensor 43 Fig 55 Pressure sensor front view 44 Fig 56 Fastenin...

Страница 57: ...without prior notice Translation of the original German edition of this manual 2011 10 28 Printed in Germany HPLC SMB Osmometry Wissenschaftliche Ger tebau Dr Ing Herbert Knauer GmbH Hegauer Weg 38 1...

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