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E 20
Access to internal detector components
ASM 182 TD+
Precautions
Access level 1
5
GB 01247 - Edition 02 - Juanary 02
Cover securing
screws
1
Switch the detector off before opening it.
Disconnect the line power plug, the RS 232 connector, the
printer and the input/output interface if they are connected to
an external element (to avoid obtaining "external" voltages on
the various ASM 182 boards).
The front and rear covers are secured with 4 recessed screws.
Unfasten the 4 securing screws and their washers using a
5 mm Allen wrench. Use the 5 mm Allen wrench you find in
the “Maintenance kit”.
Maintenance kit
F 10
Front cover:
After unfastening the 4 screws, raise the cover (1) slightly and
pivot it forwards until it comes to a stop (2).
Using this system, the cover can be kept 3/4 open.
Rear cover:
When opening the rear cover, take care with the ground
connection linking the frame to the cover.
If necessary, remove the front cover and/or the rear cover.
For the rear cover, you need before frese the rocker bar from
the frame.
2
2
2
Rocker bar
Front cover
Rear cover
Cover securing
screws
Note: A hinge system is provided on the ASM182 TD+ for
the rear cover.
Alcatel Vacuum Technology France - ASM 182 TD+ - ASM 192 T2D+ User’s Manual
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E 20
Access to internal detector components
ASM 182 TD+
Accessing the I/O
interface board
Unfasten the three CHc (allen head) screws located at the
frame interface connectors, which secure the stainless steel
cover/I/O interface board assembly.
Rear cover
Stainless steel cover /
I/O interface board
assembly securing
Open the front cover of the detector to be able to access
the fourth CHc (allen head) screw securing the stainless steel /
I/O interface board assembly. It is located near the hybrid
turbo pump (oblong hole on frame).
Hold the stainless steel cover and unfasten the fourth screw.
Release the assembly to the rear of the detector, taking care
with the flat cable connectors attached to the I/O board.
CHc (allen head) screw
Front cover
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Alcatel Vacuum Technology France - ASM 182 TD+ - ASM 192 T2D+ User’s Manual
GB 01247 - Edition 02 - Juanary 02
screws.
E 20
Access to internal detector components
ASM 182 TD+
Disassemble the main
block
To be applied after access level 1 is completed (rear cover
removed).
1
2
3
4
5
Remove the connections ( 1a to 1g ).
Remove the inlet air tube.
Remove the internal calibrated leak.
Disconnect the primary pump from the vacuum block (4 screws).
Disconnect the MDP 5011 from the vacuum block (5 screws).
13
2
3
1c
1b
1a
1g
1e
1f
GB 01247 - Edition 02 - Juanary 02
1d
5
10
10
4
5
5
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E 20
Access to internal detector components
ASM 182 TD+
Remove the 3 attachments screws of the vacuum block.
7 Remove the 2 attachment screws of the arch obturator.
6
5
2.5
7
6
7
GB 01247 - Edition 02 - Juanary 02
6
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Alcatel Vacuum Technology France - ASM 182 TD+ - ASM 192 T2D+ User’s Manual