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Feb 2010

Installing the ASAP 2420 1-mmHg Transducer Option

(Units with Serial Number 199 and below)

P/N 242-42805-00

This document contains instructions for installing the 1-mmHg Transducer option only or for
installing both the 1-mmHg transducer and micropore options on an ASAP 2420 analyzer.
Follow the set of instructions that applies to the customer’s system.

Tools Required

The following tools are required for installation of the transducer option:

•

1/2-in. wrench

•

9/16-in. wrench

•

3/4-in. wrench

•

Phillips screwdriver

•

Small flat-blade screwdriver

Installing the 1-mmHg Transducer Option Only

This set of instructions describes how to install the 1-mmHg Transducer option on an ASAP
2420 system equipped with the Micropore option.

1. Backfill the manifold to 760 mmHg.

2. Close the ASAP 2420 software.

3. Turn off power to the vacuum pumps and to the analyzer.

4. Remove the four retaining screws from the top panel of the ASAP 2420.

Содержание 242-42805-00

Страница 1: ...em Tools Required The following tools are required for installation of the transducer option 1 2 in wrench 9 16 in wrench 3 4 in wrench Phillips screwdriver Small flat blade screwdriver Installing the 1 mmHg Transducer Option Only This set of instructions describes how to install the 1 mmHg Transducer option on an ASAP 2420 system equipped with the Micropore option 1 Backfill the manifold to 760 m...

Страница 2: ...of the old transducer block and installed on the front of the new block and the 1 mmHg transducer must be installed on top of the new block For reference the following photograph shows the location of the transducers after installation Location of 1 mmHg transducer mounted on top of transducer block Location of 10 mmHg transducer mounted on front of transducer block Analyzer Top Panel ...

Страница 3: ...the 10 mmHg transducer ribbon cable from the J8 connector on the transducer board P N 202 17706 001 8 Use a wrench to loosen the nut that connects the 10 mmHg transducer to the transducer block Retain the nut you will use it to reinstall the transducer 9 Remove the transducer from the block J8 10 mmHg transducer Connector nut Transducer block ...

Страница 4: ...ct the transducer block to the manifold tee connectors and to the gas inlet line then remove the block 11 Remove the block mounting screws connector nuts and the spacer and ferrules from each tee connector Remove connector nuts Connector nut Rear ferrule Front ferrule Spacer Front and rear ferrules under nut Screw Lock washer Old Block ...

Страница 5: ...into the block and tighten 14 Use a wrench to tighten the nuts that connect the transducer block to the manifold tee connectors and to the gas inlet line Connector nut Front ferrule Spacer Front and rear ferrules under nut Rear ferrule Screw Lock washer New Block Use new spacers ferrules screws and lock washers from the upgrade kit Do not replace the ones you removed they may be damaged Tighten co...

Страница 6: ...es on the 1 mmHg transducer 16 Install the transducer on top of the transducer block tighten securely with a wrench 17 Connect the ribbon cable to the 1 mmHg transducer and to J7 on the transducer board 202 17706 001 Nut Front ferrule Rear ferrule Transducer block Connector nut between transducer and block J7 1 mmHg transducer Transducer board ...

Страница 7: ...ucer block Use the connector nut you removed earlier tighten the nut securely with a wrench 19 Make sure the zero adjustment on the 10 mmHg transducer is accessible You may have to cut away some of the foam if it interferes with the transducer 10 mmHg transducer Connector nut Use new ferrules from the upgrade kit Do not replace the ones you removed they may be damaged Zero adjustment ...

Страница 8: ...g transducer to the J8 connector on the transducer board 21 Replace the top panel 22 Replace and tighten the top panel retaining screws 23 Turn on power to the analyzer and to the vacuum pumps 24 Install the updated software refer to the ASAP 2420 Operator s Manual for instructions 25 Open the ASAP 2420 software J8 10 mmHg transducer ...

Страница 9: ... Calibrate the 1 mmHg 10 mmHg and 1000 mmHg transducers refer to Product Calibration Procedure for the ASAP 2420 P N 242 34000 76 Rev C 30 Perform the following procedures from the Product Calibration Procedure for the ASAP 2420 P N 242 34000 76 Rev C 5 8 Analysis Servo and Transducer Accuracy Test 5 10 System Volume Calibration 5 11 Blank Tube Test Nitrogen 5 12 Reference Chamber Analysis 5 13 Ni...

Страница 10: ...set of instructions describes how to install the 1 mmHg Transducer option and the Micropore option on ASAP 2420 Krypton systems 1 Backfill the manifold to 760 mmHg 2 Close the ASAP 2420 software 3 Turn off power to the vacuum pumps and to the analyzer 4 Remove the four retaining screws from the top panel of the ASAP 2420 5 Lift the panel up and off the analyzer ...

Страница 11: ...sducer must be installed on top of the new block For reference the following photograph shows the location of the transducers after installation 7 To remove the 10 mmHg transducer first disconnect the 10 mmHg transducer ribbon cable from the J8 connector on the transducer board P N 202 17706 001 Location of 1 mmHg transducer mounted on top transducer block Location of 10 mmHg transducer mounted on...

Страница 12: ...mmHg transducer to the transducer block Retain the nut you will use it to reinstall the transducer 9 Remove the transducer from the block 10 Use a wrench to loosen the nuts that connect the transducer block to the manifold tee connectors and to the gas inlet line then remove the block 10 mmHg transducer Connector nut Transducer block Remove connector nuts ...

Страница 13: ... ferrules and connector nuts 13 Insert the mounting screws and lock washers into the block and tighten Connector nut Rear ferrule Front ferrule Spacer Front and rear ferrules under nut Screw Lock washer Old Block Connector nut Front ferrule Spacer Front and rear ferrules under nut Rear ferrule Screw Lock washer New Block Use the new spacers ferrules screws and lock washers in the upgrade kit Do no...

Страница 14: ...er Option 14 Feb 2010 14 Use a wrench to tighten the nuts that connect the transducer block to the manifold tee connectors and to the gas inlet line 15 Place the connector nut and front and rear ferrules on the 1 mmHg transducer Tighten connector nuts Nut Front ferrule Rear ferrule ...

Страница 15: ... J7 on the transducer board 202 17706 001 18 Install the 10 mmHg transducer with new front and rear ferrules in the front of the transducer block Use the connector nut you removed earlier tighten the nut securely with a wrench Transducer block Connector nut between transducer and block J7 1 mmHg transducer Transducer board 10 mmHg transducer Connector nut Use new ferrules from the upgrade kit Do n...

Страница 16: ...on 16 Feb 2010 Make sure the zero adjustment on the 10 mmHg is accessible You may have to cut away some of the foam if it interferes with the transducer 19 Attach the ribbon cable from the 10 mmHg transducer to the J8 connector on the transducer board Zero adjustment J8 10 mmHg transducer ...

Страница 17: ...ning screws 23 Cover each of the Dewars 24 Replace the port fitting in each of the six analysis ports as described in steps 25 through 29 The port fittings must be replaced to accommodate the heating mantles used for degassing on analysis ports 25 Using a wrench remove the sample tube fitting from the analyzer Micropore key J10 Place a Dewar cover on each Dewar before replacing port fittings This ...

Страница 18: ... replaced with a new one 28 Place the filter and the O ring on the new port fitting 29 Install the port fitting securely tighten the fitting with a wrench to prevent leaks 30 Install the updated software refer to the ASAP 2420 Operator s Manual for instructions 31 Turn on power to the analyzer and to the vacuum pumps 32 Open the ASAP 2420 software O ring Filter To avoid analysis problems the filte...

Страница 19: ...e the 1 mmHg 10 mmHg and 1000 mmHg transducers refer to Product Calibration Procedure for the ASAP 2420 P N 242 34000 76 Rev C 37 Perform the following procedures from the Product Calibration Procedure for the ASAP 2420 P N 242 34000 76 Rev C 5 8 Analysis Servo and Transducer Accuracy Test 5 10 System Volume Calibration 5 11 Blank Tube Test Nitrogen 5 12 Reference Chamber Analysis 5 13 Nitrogen St...

Страница 20: ...Installing the 1 mmHg Transducer and Micropore Options ASAP 2420 1 mmHg Transducer Option 20 Feb 2010 ...

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