Nippon MA-3000 User manual
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Inspection
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No.
704-2010-01
MA-3000
Service Manual
Document No. NIC-704-2010-01 Date of Issue
Jan. 16, 2014
Management Dept.
Page 1/
MA-3000
SERVICE MANUAL
Nippon Instruments Corporation
Service Department
Date Written By Checked By Approved By
1st edition Jan. 15, 2014 Kotake Daito Noda
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Inspection
ii
No.
704-2010-01
MA-3000
Service Manual Document No. NIC-704-2010-01 Date of Issue
Jan. 15, 2014
Management Dept.
Page 2/
Revision History
Ver.
Revision
Date Reason for Revision Written By
Approved By
01
Jan. 15,
2014 First edition issued Kotake Noda
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No.
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FULL-AUTOMATIC HEAT-VAPORIZATION MERCURY ANALYZER
MERCURY MA-3000 SERVICE MANUAL
Contents
SERVICE MANUAL..............................................................................................................1
1.Inspection........................................................................................................................4
1.1. Removal of cabinet covers.....................................................................................5
1.2. Cell cleaning...........................................................................................................8
1.3. Replacement of joint.............................................................................................12
1.4. Dismounting the sample heating tube ..................................................................13
1.5. Mounting the sample heating tube .......................................................................15
1.6. Overall operation check of sample changer .........................................................18
1.7. Procedure for leak check......................................................................................23
1.8. Inspection.............................................................................................................28
2. Replacement work........................................................................................................29
2.1 Replacement procedure of H1 heater .......................................................................30
2.2 Adjustment procedure of H1 heater...........................................................................33
2.3 Replacement procedure for H2 heater......................................................................34
2.5 Replacement procedure of thermocouple for H3 heater ...........................................39
2.6 Replacement procedure of SSR................................................................................41
3. Sample changer and its relatives................................................................................44
3.1 Recovery procedure for the MA-3000 sample changer error ....................................44
3.2 Function check of each sensor..................................................................................47
3.3 Replacement procedure of boat taking Boat handling poker.....................................49
3.4 Adjustment of sample changer (Vertical axis, Y-axis)................................................52
3.5 Adjustment of sample changer (Horizontal axis, X-axis)...........................................55
3.6 Adjustment of sample changer (Lift axis) ..................................................................56
・ Replacement of lift motor.........................................................................................57
4. About high level pollution............................................................................................58
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Inspection
Since extensive improvement has been carried out for the MA-3000, its structure after the
improvement differs from that before the improvement.
Instruments with serial numbers 10740001 to 12740140 are referred to as the Version I type,
and those with serial numbers 13740141 and later are referred to as the Version II type for
convenience.
・List of time-change components for MA-3000
Sample heating tube MA-3 W139-1360-01 1
Mercury collection tube (gold nanoparticles) W139-1341-00 1
Teflon joint 6 mm dia. N-41663 1
Different diameter union tee 516165 1
*When the system has the option.
Different diameter union cross 516166
Teflon joint FLW-30-3U-S 1
Different diameter union elbow 3-4 FLW-30-4RUE3-S 1
Inlet O-ring P-022A DPN-P-022A-7075 1
In/out rod O-ring 24A DPN-P-024A-7075 1
Teflon tube (3 mm dia. ×2 mm dia.) S1037-0202-00 60 cm
Activated carbon case (for exhaust) W139-1120-01 1 set
MA-3000 sample boat set (10 pcs.) S1106-6100-00 1 set
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1.1.
Removal of cabinet covers
①Top cover
・Version I type
With the instrument turned off, remove the
ring latches and remove the top cover.
・Version II type
With the instrument turned off, remove the
ring latches.
* The M3 screws in the upper part of the
rear are for transportation. Remove them
after installation.
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②Removal of right side panel
・Type A or B
Remove the fixing screws for
transportation.
・Type C
Remove the knurled screw in the rear.
Remove the two knurled screws and
remove the side panel.
Remove the M3 screw fixing the right side
panel, and remove the side panel.
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③Removal of left side panel
・Type A or B
Remove the fixing screws for
transportation.
・Type C
Remove the knurled screw in the rear.
Remove the two knurled screws and
remove the side panel.
Remove the M3 screw fixing the left
side panel, and remove the side panel.
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1.2.
Cell cleaning
(1) Preparation of components
(2) Removal
Remove the top cover and remove the cover of the optical system from its case. Then,
remove the cell retainers, loosen the joint and the screws fixing the optical system,
and remove the cell unit.
MA-3000 (Version I type) MA-3000 (Version II type)
* If the 1 mm cell, branch pipe or O-ring has a crease or breakage, replace it.
If not replaced, it will cause a leak.
No.
Name Comp. No. Qty Remark
1 Phillips screwdriver (02) - 1 Tool
2 Phillips screwdriver (01) 1 Accessory
3 Coin 1 Tool
4 Beaker (500 mL) 1 For cleaning
5 10% nitric acid 500 mL For cleaning
6 Distilled water 1 L For cleaning
7 Alcohol (ethanol etc.) 100 mL For cleaning
8 Cotton waste 1 box For cleaning
9 Rubber glove 1 set For cleaning
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(3) Disassembly of component
Disassemble the cell unit and divide it into metal components and other.
* When it is impossible to remove the cell window, it can be removed by soaking it in
water. Do not give a strong shock.
(4) Cleaning of components
Clean up the metal components using alcohol, and wipe them.
Wash the other parts using neutral detergent and nitric acid.
Wash them using neutral detergent for 30 minutes with ultrasonic washer, or soak
for five hours without it. Discard cleaning fluid, rinse the components well using
distilled water and dry them.
Rinse the components well, and wash with nitric acid as well. Then rinse well the
items with distilled water and dry them.
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