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GX-A/GF-A Maintenance manual
Page 2
1. Introduction
For smooth maintenance, the products must be technically understood, and the required
equipment and tools must be prepared. Since the GX-A/GF-A series electronic balance is a
precision instrument, proper operation cannot be guaranteed if the maintenance is performed
under unsatisfactory conditions.
1.1 Equipment and Tools Required
Description
Purpose
(1) A Phillips screwdriver 3 mm
For disassembling and reassembling
(2) A Torx wrench (T20H)
For disassembling and reassembling
(T25H)
For corner load adjustment
(3) An adhesive tape 8 mm
For cleaning the force motor unit
(4) An Allen wrench 4 mm
For securing the magnet support
(5) Round-nose chain pliers For disassembling guide of the lever
A nipper
(6) A square
For the tension flexure adjustment
(7) A soldering iron (25-40 W)
For soldering wires on force motor
(8) Masses
Model
Cylinder type Masses
Slotted type
Masses
123 (Only GF-A)
100gx1
50gx2
203
100gx1, 200gx1
100gx2
303
200gx1, 300gx1
100gx3, 200gx1
403
200gx1, 400gx1
100gx4, 200gx2
603
300gx1, 600gx1
200gx3, 300gx2
1003
500gx1,1000gx1
200gx5, 400gx1, 600gx1
1603
500gx1, 600gx1
400gx4, 600gx2
Model
Cylinder type Masses
Slotted type
Masses
1202 (Only GF-A)
500gx2,1kg x1
500gx2
2002
1kg x1, 2kg x1
1kg x2
3002
2kg x1, 3kg x1
1kg x3, 2kg x1
4002
2kg x1, 4kg x1
1kg x4, 2kg x1
6002/6001
3kg x1, 6kg x1
2kg x3
10002/10001
4kg x1, 10kg x1
2kg x5, 3kg x2, 4kg x1
(9) Multi-meter (Voltage measurement with 1mV resolution, Resistance measurement for
insulation resistance of 20M
Ω
or more.)
(10) Oscilloscope
(11) AC adapter (Use the AC adapter supplied with the balance)
(12) The balance instruction manual
Summary of Contents for GX-A Series
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