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L-8900
Hitachi L-8900 User Manual
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SERVICE MANUAL
FOR
L-8900 HIGH SPEED AMINO ACID ANALYZER
Hitachi High-Technologies Corporation
Copyright C Hitachi
High-Technologies
Corporation
2005.
All rights reserved. Printed in Japan.
Part No. 852-9051 TR-F (HT-HMS056003)
2
Table of Contents
Table of Contents
24
Warranty on Product
6
Installation/Relocation
8
Disposal
8
Other Cautions
8
Safety Summary
9
General Safety Guidelines
9
DANGER Indications
13
CAUTION Indications
18
Caution
19
Warning Labels
23
Table of Contents
24
Outline
26
Standard Specifications
26
Comparison with Model L-8800A
27
Comparison of Specifications
27
Configuration of Instrument
31
Inside Configuration
31
N 2 Gas Unit
32
Pump Unit
32
Autosampler
33
Flow Path System
34
Analysis Method (for Details for the Analysis Method, See Chapter 4 Of the Instruction Manual.)
35
High Speed Physiological Fluid Analysis
35
High Separation Physiological Fluid Analysis Method
37
Installation Conditions
39
Installation
39
Unpacking
39
Unpacking, Installation
39
Environment of Installation Place
40
Other General Cautions
41
Items to be Prepared by Customers
41
Installation Procedure
43
Troubleshooting
79
Trouble Cause Analysis
79
Pump Pressure Abnormal
79
Baseline Noise
80
Baseline Drift
81
Poor Performance
81
Pump
89
Technical Information
89
Maintenance Parts List
89
Maintenance Spare Parts
90
Column Replacement
91
L-8900 Part, Part Number List
92
Unit Parts Replacing Procedure
93
Column Oven
93
Reaction Bath
98
Degasser
103
Pump Purge Valve
108
Weight Sensor
109
Weight Sensor for Waste Solution
114
Adjustment Specifications for 100N Type Load Cell
115
Adjusting Pc Board
116
Adjusting ZERO/SPAN of PUMP PC Board (P/N 852-6010)
116
Adjusting Reaction Bath Device PC Board (P/N 852-6033)
118
Adjusting Column Oven PC Board (P/N 852-6030)
119
Handling Ui Pad, Button Function Correspondence
122
Annex Board UI Pad Operation
123
Setup: Option
125
(Setup)
126
Contrast
126
Contrast =2)
126
ENT Key
126
Use
126
Utlty
126
Ent
129
Flow Path Diagram
134
Wiring Diagram between PC Boards
136
Circuit Diagram
137
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Hitachi L-8900 Specifications
General
Model
L-8900
Category
Amino Acid Analyzer
Wavelength Range
440 nm and 570 nm
Sample Volume
20-100 μL
Data Output
Digital
Power Supply
AC 100-240 V, 50/60 Hz
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