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Vibrex 2000
Chadwick-Helmuth Vibrex 2000 User Manual
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140
Chadwick-Helmuth Company
, Inc.
Chapter 6
- Maintenance
V
i
br
ex 2000 PN 135
90-2
151
153
Table of Contents
Default Chapter
3
Table of Contents
3
Quick Reference Guide
9
Chapter 1. Introduction
13
About this User Guide
13
Organization
14
Notice Formats
14
Document Conventions
15
Reference Documentation
15
Product Support
16
Fax Service
16
Internet Service
16
Chapter 2. System Overview
17
Vibrex Systems: Introduction
17
Product Description
18
Vibrex 2000 System Overview
18
System Operations
19
Self-Test Feature
20
System Benefits
20
Vibrex 2000 Plus Enhancements
21
System Specifications
22
Vibrex 2000 Specifications
22
Vibrex 2000 Plus Specifications
25
Chapter 3. Getting Started
29
Getting Started: Introduction
29
Basic Features
30
Display
31
Adjusting Screen Contrast
31
Screen Operations
31
Self-Test Screen
32
Keypad
32
Alpha-Numeric Keys
32
Dedicated Keys
33
Context Keys
34
Channel Configuration
34
Printing Data
35
Direct Serial Printing
35
Basic Settings
36
Connecting the Printer
36
Printing with a PC
39
Downloading Data
39
Reading FFT Data
41
Using the PRINT Key
42
Global Printing
43
Printing with REVIEW and PRINT Keys
45
Chapter 4. Installation
47
Installation: Introduction
47
Vibrex 2000 Basic Equipment
48
V2K Propeller Balance Kits
48
V2K Single-Engine Kits
49
V2K Twin-Engine Kits
50
V2K Rotor Track & Balance Kits
51
V2K Helicopter and Fixed Wing Kit
52
Vibrex 2000 Plus Equipment
53
V2K Plus Propeller Balance Kits
54
V2K Plus Single-Engine Kit
54
V2K Plus Twin-Engine Kit
55
V2K Plus Rotor Track & Balance Kit
56
V2K Plus Helicopter & Fixed Wing Kit
57
Optional Equipment
59
Carrying Case
60
General Installation
60
Velocimeters
62
Photocell System
63
Retro-Reflective Target
64
General Photocell Use
65
Repair of Photocell Wiring
65
Photocell Placement
66
Target Positioning
68
Magnetic Pickup
69
Sample Installations
71
Lycoming O/IO-320/360
71
Lycoming O/IO-540
71
Continental O/IO-470/520/550
71
P&W R-985/2800
71
Flat Opposed General Rules
72
Radial Engine General Rules
72
Turbine Engines
72
Geared Reciprocating Engines
72
Chapter 5. General Operation
73
Operation: Introduction
73
Beginning Operation
74
Powering up
74
Main Menu Screen
75
Basics of Operation
77
Propeller Balancing
78
Propeller Balance Setup
80
Entering Aircraft Ids
80
Selecting Channels
81
Entering Horsepower
82
Setting Sensitivity
84
Multiple Propeller Feature
87
Acquiring Balance Readings
89
Annotating the Reading
91
Balance Quality Indicator
91
Obtaining Balance Solutions
93
Application Guidelines
93
Using the Propeller Protractor
94
Changing Performed Solutions
96
Finishing Propeller Balance
96
If Unable to Use Weight Azimuth
97
Reviewing Balance Histories
98
Reviewing Propeller Balance Measurements
99
Reviewing Other Balance Measurements
100
Clearing Runs, Measurements, and Lists
101
Reviewing Spectrum Order Analysis
101
Reviewing Spectrum Peak Measurements
101
Helicopter Rotor Balancing
102
Main Rotor Track
104
Main Rotor Balance
106
Using the Rotor Protractor
108
Counter-Clockwise Rotor Correction
112
Clockwise Rotor Correction
116
Tail Rotor Balance
116
Clockwise Rotors
117
Counter-Clockwise Rotors
117
Tail Rotor Track
118
Spectrum Analysis
121
Spectrum Analysis Setup
121
Annotating Spectra
123
Ranging Feature
123
Collecting Spectral Data
123
Order Analysis
124
Spectrum Viewer Feature
126
After Taking Measurements
126
Displaying Cursor Data
128
Chapter 6. Maintenance
129
Maintenance: Introduction
129
Theory of Operation
130
Digital Subsystem
130
Display Subsystem
131
Analog Subsystem
131
Velocity Signal
131
Azimuth Signal
132
Power Subsystem
133
Battery Power
133
On-Off Logic
133
Power Supplies
133
Short-Circuit Protection
134
Routine Servicing
134
Batteries and Replacement
135
Battery Types
135
Battery Usage
135
Battery Insertion Diagram
136
Removal
136
Reinstallation
137
Setting Battery Time
138
EPROM Replacement
138
Determining EPROM Versions
138
Getting Started
139
Replacement Procedures
139
Panel Retention Screws
141
Cleaning
141
Testing
142
System Testing Using Model 11 Calibrator
142
Approach
144
Instrument Test Procedures for the Vibrex 2000 and Vibrex 2000 Plus
144
Procedure
145
For the Vibrex 2000 (Basic)
146
For the Vibrex 2000 Plus
147
Clearing Memory Contents
148
Vibrex 2000
148
Complete Unit Disassembly
149
Parts List
154
Disassembly
155
Assembly
156
Troubleshooting
157
Troubleshooting Guide
159
Working Example
171
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Chadwick-Helmuth Vibrex 2000 Specifications
General
Brand
Chadwick-Helmuth
Model
Vibrex 2000
Category
Measuring Instruments
Language
English
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