OHAUS PA64 Service Manual

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SERVICE MANUAL Ohaus Corporation 19A Chapin Road, P.O. Box 2033, Pine Brook, NJ 07058-2033 (973) 377-9000 ...

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TABLE OF CONTENTS Ohaus Corporation www.ohaus.com i Pioneer™ Balances Service Manual Page No. CHAPTER 1 GETTING STARTED 1.1 Introduction .....................................................................................................

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TABLE OF CONTENTS Pioneer™ Balances Service Manual ii Ohaus Corporation www.ohaus.com Page No. 3.3.20 Block Style Load Cell Disassembly & Replacement with Load Cell Kit ............ 3-35 3.3.21 Progressive Disassembly of Block Style Lo...

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TABLE OF CONTENTS Ohaus Corporation www.ohaus.com iii Pioneer™ Balances Service Manual B.5 Service 5 Point- Linearity Calibration …………………………………………………...B-4 Page No. LIST OF TABLES TABLE NO. TITLE ...

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TABLE OF CONTENTS Pioneer™ Balances Service Manual iv Ohaus Corporation www.ohaus.com 3-13 Screws securing Weight Arm assembly ...............................................................3-6 3-14 Proper manner to grasp Load Cell when...

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TABLE OF CONTENTS Ohaus Corporation www.ohaus.com v Pioneer™ Balances Service Manual 3-62 Top Flexure Arm (Analytical). ............................................................................ 3-23 3-63 Bottom Flexure Arm (Analytica...

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TABLE OF CONTENTS Pioneer™ Balances Service Manual vi Ohaus Corporation www.ohaus.com 3-111 Load Cell Alignment to Base Plate ..................................................................... 3-41 3-112 Block Style Load Cell PC Boar...

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TABLE OF CONTENTS Ohaus Corporation www.ohaus.com vii Pioneer™ Balances Service Manual 3-160 Test Connector Detail ........................................................................................ 3-54 3-161 Up/Down Stop Screw .....

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TABLE OF CONTENTS Pioneer™ Balances Service Manual viii Ohaus Corporation www.ohaus.com ...

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CHAPTER 1 GETTING STARTED Pioneer™ Balances Service Manual 1-1 Ohaus Corporation www.ohaus.com 1.1 INTRODUCTION This service manual contains the information needed to perform routine maintenance and service on the Ohaus Pioneer Precision ...

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CHAPTER 1 GETTING STARTED Ohaus Corporation www.ohaus.com 1-2 Pioneer™ Balances Service Manual 1.3 TOOLS AND TEST EQUIPMENT REQUIRED 1.3.1 Special Tools 1. Fixture P/N 923345 Corp. Item No. 00923345 for use with 150g to 410g Load Cells....

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CHAPTER 1 GETTING STARTED Pioneer™ Balances Service Manual 1-3 Ohaus Corporation www.ohaus.com 1.4 SPECIFICATIONS TABLE 1-2. SPECIFICATIONS: INCAL MODELS (C & CM) MODEL PA64C PA114C PA214C PA213C PA413C PA512C PA2102C...

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CHAPTER 1 GETTING STARTED Ohaus Corporation www.ohaus.com 1-4 Pioneer™ Balances Service Manual 1.4 SPECIFICATIONS TABLE 1-4. SPECIFICATIONS: GOLD MODELS (EXTERNAL CALIBRATION) MODEL PAJ812 PAJ2102 PAJ3102 PAJ4102 PAJ2101 PA...

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CHAPTER 1 GETTING STARTED Pioneer™ Balances Service Manual 1-5 Ohaus Corporation www.ohaus.com 1.4 SPECIFICATIONS TABLE 1-6. ADMISSIBLE AMBIENT CONDITIONS Temperature range 50°F to 86°F / 10°C to 30°C Atmospheric humidity 80% ...

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CHAPTER 1 GETTING STARTED Ohaus Corporation www.ohaus.com 1-6 Pioneer™ Balances Service Manual 1.5.2 OVERVIEW OF THE CONTROLS TABLE 1-7. FUNCTIONS OF DISPLAY CONTROLS Button Action Functions O/T – On Off Yes Short Press:...

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CHAPTER 1 GETTING STARTED Pioneer™ Balances Service Manual 1-7 Ohaus Corporation www.ohaus.com 1.5.3 Power ON Press >O/T<. All segments will appear briefly followed by a software revision number (when plugged in first time, or aft...

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CHAPTER 1 GETTING STARTED Ohaus Corporation www.ohaus.com 1-8 Pioneer™ Balances Service Manual 1.5.7 The Load Cell Figure 1-4 illustrates a typical Magnetic Force Restoration (MFR) Load Cell. The force of a weight placed on the Weighing ...

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CHAPTER 1 GETTING STARTED Pioneer™ Balances Service Manual 1-9 Ohaus Corporation www.ohaus.com 1.6 Connecting the RS232 Interface When the interface is connected to a computer, two-way communication between the computer and balance is po...

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CHAPTER 1 GETTING STARTED Ohaus Corporation www.ohaus.com 1-10 Pioneer™ Balances Service Manual 1.7 RS232 Commands Commands listed in the following table will be acknowledged by the balance. The balance will return "ES" for inv...

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CHAPTER 2 DIAGNOSTIC GUIDE Pioneer™ Balance Service Manual 2-1 Ohaus Corporation www.ohaus.com 2.1 TROUBLESHOOTING This section of the manual provides guidelines for evaluating the condition and performance of a balance, and a standard tr...

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CHAPTER 2 DIAGNOSTIC GUIDE Ohaus Corporation www.ohaus.com 2-2 Pioneer™ Balances Service Manual 2.2.1 Diagnosis TABLE 2-1. DIAGNOSTIC GUIDE SYMPTOM PROBABLE CAUSE REMEDY Balance will not turn on with AC adapter supplied Main p...

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CHAPTER 2 DIAGNOSTIC GUIDE Pioneer™ Balance Service Manual 2-3 Ohaus Corporation www.ohaus.com TABLE 2-1. DIAGNOSTIC GUIDE SYMPTOM PROBABLE CAUSE REMEDY Balance will not calibrate using internal calibration, but calibration moto...

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CHAPTER 2 DIAGNOSTIC GUIDE Ohaus Corporation www.ohaus.com 2-4 Pioneer™ Balances Service Manual 2.3 ERROR CODES When a problem occurs using the balance, the display will indicate an error code. Table 2-2 describes the various error code...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-1 Ohaus Corporation www.ohaus.com 3.1 PREVENTIVE MAINTENANCE Ohaus balances are precision instruments and should be carefully handled, stored in a clean, dry, dust-free a...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-2 Pioneer™ Balances Service Manual 3.2.1 Variations in Opening Pioneer Models Turn the balance off and unplug the power cord before you begin. Preliminary Steps: For a ba...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-3 Ohaus Corporation www.ohaus.com 3.3 LOAD CELL REMOVAL AND DISASSEMBLY The Load Cell may need to be removed and repaired because of balance instability, or because the ba...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-4 Pioneer™ Balances Service Manual 3.3.1 Variations in Pioneer Load Cells Figure 3-7. Precision Block Style Load Cell with InCal: Section 3.3.11, page 3-28. Figure ...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-5 Ohaus Corporation www.ohaus.com 3.3.3 Removing Internal Calibration Weights Follow these steps to remove the InCal Weight Covers, and Weights: 1. Remove the screws tha...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-6 Pioneer™ Balances Service Manual 3.3.4 Servicing the Internal Calibration Mechanism 6. Remove the screws and washers that secure the InCal Motor. Note: Before reinst...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-7 Ohaus Corporation www.ohaus.com 3.3.6 Disassembly of Precision Balances with InCal Mechanism 3. Hold the top and bottom of the Hanger when removing the Weight Arm as...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-8 Pioneer™ Balances Service Manual 3.3.8 Load Cell Disassembly – Precision Balances The following steps require the Service Fixture for the Load Cell you will be disassemb...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-9 Ohaus Corporation www.ohaus.com 3.3.8 Load Cell Disassembly – Precision Balances 2. Loosen (do not remove) the two screws shown in Figures 3-19 and 3-20 that secure ...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-10 Pioneer™ Balances Service Manual 3.3.8 Load Cell Disassembly – Precision Balances 8. Unsolder and remove the four wires shown in Figure 3-24. The two wires at the ...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-11 Ohaus Corporation www.ohaus.com 3.3.8 Load Cell Disassembly – Precision Balances 15. Remove the Service Fixture, releasing the Hanger. (See Figure 3-28.) Fi...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-12 Pioneer™ Balances Service Manual 3.3.8 Load Cell Disassembly – Precision Balances 18. Note the position of the opening and then turn the black Up/Down Stop Screw, so th...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-13 Ohaus Corporation www.ohaus.com 3.3.9 Position Sensor Board Removal/Replacement/Adjustment – Precision If the Position Sensor Board is defective and requires replaceme...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-14 Pioneer™ Balances Service Manual 11. Insert and tighten the two remaining screws to secure the Load Cell. Check again that an Error 8.X is not displayed. If there i...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-15 Ohaus Corporation www.ohaus.com 3.3.11 Load Cell Reassembly – Precision Balances Before re-assembly, take the following maintenance steps: – Be sure all Flexures a...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-16 Pioneer™ Balances Service Manual 3.3.11 Load Cell Reassembly – Precision Balances. Figure 3-39. Sideways Motion Stop Plate. Figure 3-40. Two screws secure M...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-17 Ohaus Corporation www.ohaus.com 3.3.11 Load Cell Reassembly – Precision Balances. 12. Install the Bottom and Top Flexure Arms, in that order, Flexure side down. (See ...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-18 Pioneer™ Balances Service Manual 3.3.11 Load Cell Reassembly – Precision Balances. 17. Adjust the Position Sensor Board: follow steps 9 through 11 in Section 3.3.9 (su...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-19 Ohaus Corporation www.ohaus.com 3.3.12 Removing the InCal Mechanism from InCal Analytical Balances This section explains the steps for disassembly, servicing and reassem...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-20 Pioneer™ Balances Service Manual 3.3.13 Removing Internal Calibration Weights and Components 3. Remove the Load Cell. (See Section 3.3.14.) 4. Remove the two screws ...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer Balances Service Manual 3-21 Ohaus Corporation www.ohaus.com 3.3.14 Reinstalling Internal Calibration Components When reinstalling the Internal Calibration Components, follow these steps: 1. Insert t...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-22 Pioneer Balance Service Manual 3.3.16 Disassembling Analytical Load Cells The following steps require the Service Fixtures for the Load Cell you will be disassembling. Not...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer Balances Service Manual 3-23 Ohaus Corporation www.ohaus.com 3.3.16 Disassembling Analytical Load Cells 3. To protect the Flexures, secure the Hanger to the Load Cell with two screws and the shims su...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-24 Pioneer Balance Service Manual 3.3.16 Disassembling Analytical Load Cells Figure 3-61. Vertical Flexure and screws, Lock Plate, washers, and bushings, removed from c...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer Balances Service Manual 3-25 Ohaus Corporation www.ohaus.com 3.3.16 Disassembling Analytical Load Cells 11. Remove the Hanger from the Load Cell by removing the two screws inserted earlier. (See Figu...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-26 Pioneer Balance Service Manual 3.3.16 Disassembling Analytical Load Cells 16. Unsolder the two white wires connected to the Position Sensor Board. Then remove the two ins...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer Balances Service Manual 3-27 Ohaus Corporation www.ohaus.com 3.3.16 Disassembling Analytical Load Cells NOTE: Use extreme caution in moving the Contact Board to avoid stressing or breaking the fine w...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-28 Pioneer Balance Service Manual 3.3.17 Position Sensor PC Board Removal/Replacement/Adjustment - Analytical When the Position Sensor PC Board is defective and requires repla...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer Balances Service Manual 3-29 Ohaus Corporation www.ohaus.com 3.3.18 Reassembling Analytical Load Cells Before reassembly, take the following maintenance steps:  Be sure all Flexures are straight, ...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-30 Pioneer Balance Service Manual 3.3.18 Reassembling Analytical Load Cells 7. Carefully insert the Magnet Half in front of the Ratio Coil. Align the screw holes on its f...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer Balances Service Manual 3-31 Ohaus Corporation www.ohaus.com 3.3.18 Reassembling Analytical Load Cells 13. Install the Hanger: insert two screws loosely. Distance shown by arrows should be 8mm. Inse...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-32 Pioneer Balance Service Manual 3.3.18 Reassembling Analytical Load Cells 17. Install the top bracket. (See Figures 3-92 and 3-93.) Figure 3-92. Analytical InCal Load...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-33 Ohaus Corporation www.ohaus.com 3.3.18 Reassembling Analytical Load Cells NOTE: The Position Sensor Board contains an Optical Sensor which must be positioned in the Ra...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-34 Pioneer™ Balances Service Manual 3.3.19 Block Style Load Cell Disassembly & Replacement Typical Block Style Load Cells with InCal Mechanisms installed are shown in Fi...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-35 Ohaus Corporation www.ohaus.com 3.3.20 Block Style Load Cell Removal & Replacement with Load Cell kit Use the following procedure to replace a Block Style Load Cell ...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-36 Pioneer™ Balances Service Manual 3.3.22 Internal Calibration Testing This section describes how to test the internal calibration in a Block Style Load Cell. There can b...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-37 Ohaus Corporation www.ohaus.com 3.3.23 InCal Motor Removal & Replacement 4. Install the Coupler supplied with the replacement motor, then rotate the Motor Shaft ...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-38 Pioneer™ Balances Service Manual 3.3.25 InCal Mechanism Installation 1. Rotate the InCal Motor shaft until the Weight is in the top position. 2. Slide the new InCal Me...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-39 Ohaus Corporation www.ohaus.com 3.3.26 Position Sensor Assembly Removal/Installation on Block Style Load Cell Position Sensor Removal: 1. Remove the three screws of th...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-40 Pioneer™ Balances Service Manual 3.3.27 Removing the Block Style Load Cell from the Base Plate This procedure is necessary before proceeding with other repairs to the Loa...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-41 Ohaus Corporation www.ohaus.com 3.3.28 Installing the Block Style Load Cell on the Base Plate Figure 3-110. Load Cell Mounting Components. Base Plate Installation 1....

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-42 Pioneer™ Balances Service Manual 3.3.29 Removal and Installation of the Block Style Load Cell PC Board 1. Remove the Load Cell from the Mounting Plate. (See previous ...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-43 Ohaus Corporation www.ohaus.com 3.3.30 Removing the Load Cell PCB-Temperature Sensor-Position Sensor Assembly The Temperature Sensor, Position Sensor and the Load Cell P...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-44 Pioneer™ Balances Service Manual 3.3.30 Removing the Load Cell PCB-Temperature Sensor-Position Sensor Assembly 4. Remove the ribbon cable connecting the Load Cell PCB...

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CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-45 Ohaus Corporation www.ohaus.com 3.3.31 Removing the Ratio Beam on Block Style Load Cells 3. Hold the Contact Board to ensure the fine coil wires cannot tear off, t...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-46 Pioneer™ Balances Service Manual 3.3.31 Removing the Ratio Beam on Block Style Load Cells Note: Not all Load Cells require a Weight Arm as shown. If the Load Cell does...

[Page 71] OHAUS PA64

CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-47 Ohaus Corporation www.ohaus.com 3.3.31 Removing the Ratio Beam on Block Style Load Cells 8. Remove the aluminum sleeves. (See Figure 3-130.) 9. Note the position of...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-48 Pioneer™ Balances Service Manual 3.3.32 Installing the Ratio Beam on Block Style Load Cells 1. If a new Ratio Beam is being installed, remove the existing weights from t...

[Page 73] OHAUS PA64

CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-49 Ohaus Corporation www.ohaus.com 3.3.32 Installing the Ratio Beam on Block Style Load Cells 4. Re-install the four Aluminum Sleeves for the Ratio Beam and four for t...

[Page 74] OHAUS PA64

CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-50 Pioneer™ Balances Service Manual 3.3.32 Installing the InCal Weight Arm Note: Not all block style Load Cells have a Weight Arm as shown. If the Load Cell does not have...

[Page 75] OHAUS PA64

CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-51 Ohaus Corporation www.ohaus.com 3.3.32 Installing the InCal Weight Arm 6. Remove the pin securing the InCal Weight Arm at the Magnet end. 7. Insert the pin just rem...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-52 Pioneer™ Balances Service Manual 3.3.33 Installing the Load Cell PCB-Temperature Sensor-Position Sensor Assembly The Temperature Sensor, Position Sensor and the Load Cell...

[Page 77] OHAUS PA64

CHAPTER 3 MAINTENANCE PROCEDURES Pioneer™ Balance Service Manual 3-53 Ohaus Corporation www.ohaus.com 3.3.33 Installing the Load Cell PCB-Temperature Sensor-Position Sensor Assembly 5. Place the Position Sensor on the Magnet. It has a c...

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CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www.ohaus.com 3-54 Pioneer™ Balances Service Manual 3.3.34 Setting the Up/Down Stop Screw on Block Style Load Cells This procedure is required when either the Ratio Beam has been removed or...

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CHAPTER 4 TESTING Pioneer™ Balances Service Manual 4-1 Ohaus Corporation www.ohaus.com 4.1 TESTING Before and after servicing the balance, an operational test and various performance tests should be made to confirm that the balance meets s...

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CHAPTER 4 TESTING Ohaus Corporation www.ohaus.com 4-2 Pioneer™ Balances Service Manual 4.4 Performance Tests – Precision and Analytical Balances Accurate performance of the Pioneer balances is determined by a series of four performance ...

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CHAPTER 4 TESTING Pioneer™ Balances Service Manual 4-3 Ohaus Corporation www.ohaus.com 4.4.1 Precision Test – Precision and Analytical Balances 5. If the deviation for any set of readings (using the same mass placed on the center of t...

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CHAPTER 4 TESTING Ohaus Corporation www.ohaus.com 4-4 Pioneer™ Balances Service Manual 4.4.3 Off-Center Load Adjustment for Precision Models NOTE: Do not attempt these adjustments unless the balance is free from drafts. The balance is ve...

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CHAPTER 4 TESTING Pioneer™ Balances Service Manual 4-5 Ohaus Corporation www.ohaus.com 4.4.4 Off-Center Load Adjustment for Analytical Models NOTE: Do not attempt these adjustments unless the balance is free from drafts. The balance is v...

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CHAPTER 4 TESTING Ohaus Corporation www.ohaus.com 4-6 Pioneer™ Balances Service Manual 4.4.5 Off-Center Load Adjustment for Block Style Models NOTE: Do not attempt these adjustments unless the balance is free from drafts. The balance is ...

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CHAPTER 4 TESTING Pioneer™ Balances Service Manual 4-7 Ohaus Corporation www.ohaus.com 4.4.6 Repeatability Test Repeatability is the Standard Deviation of a set of similar weight readings. Requirements: – To perform this test a single ...

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CHAPTER 4 TESTING Ohaus Corporation www.ohaus.com 4-8 Pioneer™ Balances Service Manual 4.4.6 Repeatability Test TABLE 4-4. REPEATABILITY WORKSHEET n Reading Delta = Reading – Mean Delta x Delta 1 2 3 ...

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CHAPTER 4 TESTING Pioneer™ Balances Service Manual 4-9 Ohaus Corporation www.ohaus.com 4.4.7 Linearity Test This test is used to determine the linearity of the unit throughout its operating range. The displayed readings are compared with...

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CHAPTER 4 TESTING Ohaus Corporation www.ohaus.com 4-10 Pioneer™ Balances Service Manual 4.4.7 Linearity Test Record Readings Reading 1 Reference Weight added to zero ________________ Reading 2 Reference Weight added at ¼ full-scale...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Pioneer™ Balances Service Manual 5-1 Ohaus Corporation www.ohaus.com This section contains exploded views of the Pioneer series balances. The exploded view drawings are designed to identify the parts wh...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Ohaus Corporation www.ohaus.com 5-2 Pioneer™ Balances Service Manual 5.1 PRECISION ROUND PAN BALANCE: HOUSING & PARTS Precision Round Pan Balance – Housing & Parts 10 8 6 5 4 2 1 3 15 14 12...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Pioneer™ Balances Service Manual 5-3 Ohaus Corporation www.ohaus.com 5.1 PRECISION ROUND PAN BALANCE: HOUSING & PARTS TABLE 5-1. PRECISION ROUND PAN BALANCE: HOUSING & PARTS Drawing Item ...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Ohaus Corporation www.ohaus.com 5-4 Pioneer™ Balances Service Manual 5.2 PRECISION ROUND PAN, INCAL BALANCE: HOUSING & PARTS 80 16 10 8 13 6 4 2 1 12 5b 14 15 3 9 Precision Round Pan, InCal Balance...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Pioneer™ Balances Service Manual 5-5 Ohaus Corporation www.ohaus.com 5.2 PRECISION ROUND PAN, INCAL BALANCE: HOUSING & PARTS TABLE 5-2. PRECISION ROUND PAN, INCAL BALANCE: HOUSING & PARTS* ...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Ohaus Corporation www.ohaus.com 5-6 Pioneer™ Balances Service Manual 5.3 PRECISION SQUARE PAN, INCAL BALANCE: HOUSING & PARTS 13 6 2 1 12 5 14 15 3 Precision Square Pan, InCal Balance: Housing &...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Pioneer™ Balances Service Manual 5-7 Ohaus Corporation www.ohaus.com 5.3 PRECISION SQUARE PAN, INCAL BALANCE: HOUSING & PARTS TABLE 5-3. PRECISION SQUARE PAN INCAL BALANCE: HOUSING & PARTS* ...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Ohaus Corporation www.ohaus.com 5-8 Pioneer™ Balances Service Manual 5.4 PRECISION DRAFT SHIELD BALANCE: HOUSING & PARTS 7 9 11 7 10 8 12 13 6 80 5a 4 2 1 14 15 3 5b Precision Balance with Draft Shi...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Pioneer™ Balances Service Manual 5-9 Ohaus Corporation www.ohaus.com 5.4 PRECISION DRAFT SHIELD BALANCE: HOUSING & PARTS TABLE 5-4. PRECISION DRAFT SHIELD BALANCE: HOUSING & PARTS* Drawing...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Ohaus Corporation www.ohaus.com 5-10 Pioneer™ Balances Service Manual 5.5 ANALYTICAL BALANCE: HOUSING & PARTS Analytical Balance: Housing & Parts 7 9 11 7 10 8 12 13 6 5a 4 14 15 3 2 1 80 5b ...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Pioneer™ Balances Service Manual 5-11 Ohaus Corporation www.ohaus.com 5.5 ANALYTICAL BALANCE: HOUSING & PARTS TABLE 5-5. ANALYTICAL BALANCE: HOUSING & PARTS* Drawing Item Description 1 ...

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CHAPTER 5 PARTS LISTS & DIAGRAMS Ohaus Corporation www.ohaus.com 5-12 Pioneer™ Balances Service Manual 5.6 PRECISION LOAD CELL & PARTS (INCLUDING INCAL) 1 4 5 6 11 12 13 2 Pioneer Precision Load Cell (with InCal Parts) InCal Par...