Abtus ABT4640 Manual de usuario
4640-1 IMP Issue 03
ABT4640
Laser Height and Stagger
Gauge
‘IMPERIAL’
Instruction Manual
4640-1 IMP Issue 03
1
1.0Index
1.0 Index 1
2.0 Item List 2
3.0 Specification 2
4.0 Getting Started 3
4.1 Overview 3
4.2 Assembly 3
4.3 Operating the Laser 4
4.4 Measuring Height and Stagger 6
4.5 Measuring Super Elevation 8
4.6 Measuring REFOS 8
5.0 Maintenance 9
5.1 Before Each Use 9
5.2 Every 3 Months 9
5.3 Annual 9
6.0 Trouble Shooter 10
6.1 Super-Elevation is not showing or is incorrect 10
6.2 Incorrect icon is displayed on the laser unit 10
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2.0Item List
1. Height and Stagger Gauge
2. REFOS Bracket
3. Hilti PD-E Laser
4. Instruction Manual
5. Hilti Documentation
3.0 Specification
Features
1 Fully insulated
2 Expected Battery Life—1year
3 Carry/Storage Case
4 Back Light on laser display for Night/Tunnel work
5 Auto Power-Off
Weight
-
13.5lb
Dimensions
-
Length: 57.08”
Height: 58.85”
Width: 17.71”
Measures
Cable Stagger
-
Range: -17.13” +20.47”
Accuracy: ±0.4” @ 16ft
Resolution: 0.004”
Measures
Cable Height
-
Range: 6ft to 650ft
Accuracy: ±0.12”
Resolution: 0.004”
Measures
Super-Elevation
-
Range: ±6.3”
Accuracy: ±0.12”
Resolution: 0.004”
Measures
REFOS
Range: 6ft to 650ft
Accuracy: ±0.12”
Resolution: 0.004”
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4.0Getting Started
4.1 Overview
The ABT 4640 is a light-weight gauge that allows the user to safely take Height
and Stagger measurements of the OHL (Over Head Line) using laser technology.
Super-Elevation (SE) and Rail Edge to Face of Structure (REFOS) can also be
measured
The laser unit is positioned at eye-level and features a 90º viewing prism, enabling
the operator to easily set the laser location marker onto the OHL in all weather
conditions including bright sunshine. The Height reading is displayed on an
illuminated LCD screen on the laser. Stagger position is indicated on a reflective
scale for ease of use at night as well as day.
SE is displayed on an illuminated LCD screen and REFOS is measured by
transferring the laser unit to a separate bracket
1
.
The vertical beam folds down flat to the horizontal beam for storage and transport.
4.2 Assembly
1. To release the vertical beam, pull the lever towards you (See Figure 1).
Lift the vertical beam until it rests against the stop. Release the toggle
latches and fasten securely to the vertical beam (shown in Figure 2).
1
Additional laser units can be purchased to remove the requirement to swap laser positions when
measuring REFOS
Figure 1
Figure 2
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2. Place the laser unit into the holder at the top of the vertical beam and fix
in place using the screw provided.
3. Screw the REFOS bracket to the rail foot of the gauge. The REFOS
bracket may be fitted to either side of the gauge as required
(see Figure 3).
4.3 Operating the Laser
1. Switch on the laser by pressing the situated on the right hand side of
the unit.
a. If the laser unit is mounted on the top holder appears the
following screen.
Figure 3
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b. If the laser unit is mounted on the REFOS bracket appears the
default screen.
2. Press the button to go to the next screen if the laser is mounted on the
top holder.
3. One of two icons (shown in Figure 4) will be displayed in the top left of the
screen which represents the point from which the laser measurements will
be taken. Icon ‘A’should be shown when the laser unit is mounted on the
REFOS bracket and Icon ‘B’should be shown when placed in the top
holder.
‘A’ Figure 4 ‘B’
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4. Press the button to reveal the laser location marker (visible red laser
beam).
5. Press the same button to take the measurement, which will appear in the
bottom right corner of the screen.
4.4 Measuring Height and Stagger
1. Ensure vertical beam is in the operating position and that the laser is
secured (as described in section 4.2).
2. With the laser location marker activated, look through the viewing hole of
the laser unit (shown in Figure 5). This will allow you to see when the
laser is in line with the OHL.
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3. The vertical beam can be moved from side to side by turning the stagger
adjustment wheel located in the centre of the vertical beam (shown in
figure 6). When the Over head cable is in line with the laser the amount of
cable stagger can be read from the scale on the upper side of the
horizontal beam.
Figure 5
Figure 6
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4.5 Measuring Super Elevation
1 To measure super elevation press the white button at the left end of the
gauge, a measurement will appear on the screen above the white button
(see Figure )
2 After pressing the white button, the sensor requires approximately 10
seconds to stabilise. In order to save battery power, the screen will
automatically switch off after 50 seconds.
3 A positive SE reading is when the right rail is higher than the left.
4.6 Measuring REFOS
1. Secure laser unit to REFOS bracket (see Figure 3).
2. Use the spirit level on the laser unit to ensure it is level before taking the
measurement
Figure 7
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5.0Maintenance
5.1 Before Each Use
1 Check that the bearing surfaces that are in contact with the rail are clean
and can move freely
2 Ensure that the vertical beam locks firmly into place
5.2 Every 3 Months
1 Visually check for damage
2 Ensure that there are no flat spots on the bearing surfaces in contact with
the rail
5.3 Annual
To ensure that the accuracy of your ABT4640 remains within specified limits, it
should be returned to your local distributor for annual re-calibration.
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