Dismantling And Re-Assembly - ABB TB82 Serie Bedienungsanleitung

ABB

DISMANTLING AND RE-ASSEMBLY

Warning.
Substitution of any components other than
those assemblies listed in this section will
compromise the certification listed on the
transmitter nameplate.
certifications can lead to unsafe conditions
that can injure personnel and damage
equipment.
Caution.
Dismantling and reassembly should not be
carried out on site because of the risk of
damage to components
circuits. The dismantling and reassembly
procedures should be carried out in the
listed order to avoid instrument damage.
Dismantling
1. Use the bladed screwdriver to loosen the four captive
screws that secure the Front Bezel and/or Rear Cover
Assemblies (depending on which component is being
replaced) and remove the cover(s).
2. Remove Power Supply and/or Input PCB Assemblies
by unscrewing the two Phillips screws and unplug the
assemblies from their connectors.
MICROPROCESSOR/DISPLAY PCB ASSY KITS:
FRONT BEZEL KIT
TB82 VERSIONS:
4TB9515-0160 (TB82 non-FM)
4TB9515-0181 (TB82 FM)
4TB9515-0208 (TB84 non-FM)
4TB9515-0210 (TB84 FM)
TB82COND-ATEX-EN-A
Invalidating the
and printed
POWER SUPPLY PCB ASSY KITS:
HART/NON-HART VERSIONS -
TB82 NON-HART
TB82 HART
FF VERSIONS -
TB82
PA VERSIONS-
TB82
POWER SUPPLY PCB ASSY KIT
4TB9515-0207 (TB84)
INPUT PCB ASSY KITS:
4TB9515-0153 (PH)
4TB9515-0176 (EC)
4TB9515-0226 (TC)
4TB9515-0187 (TE)
HART/NON-HART VERSIONS - PROFIBUS PA VERSIONS -
TB82PH 4TB9515-0154 TB82PH
TB82EC/TC/TE 4TB9515-0178 TB82EC
TB82TE
FF VERSIONS -
TB82PH 4TB9515-0255 TB82TC
TB82EC 4TB9515-0256 LINE POWER ANALYZER VERSIONS -
TB82TE 4TB9515-0257 TB84PH
TB82TC 4TB9515-0258 TB84EC
TB84TE
TB82TC
Figure 29 - TB82 Transmitter Exploded View
TB82 Conductivity Series ATEX Product Instruction Manual
3. Remove Microprocessor/Display PCB Assembly by
unscrewing the four Phillips screws and unplug the
keypad cable by lifting the locking arms on the side of
the connector and remove the cable from the
connector.
4. Remove the cable hubs by screwing the retaining nut
and removing the hub from the Shell Assembly.
Reassembly
Check that the gaskets are not damaged and have a thin
layer of silicone grease.
replace gaskets.
1. Install the Microprocessor/Display by securing the
assembly with the four Phillips screws and installing
the keypad cable into the connector and locking it into
place by pushing down the two locking arms on the
side of the connector.
2. Install the Power
Assemblies into their respective connector and secure
the assemblies with the two Phillips screws per
assembly.
3. Attach cable hubs by installing the gaskets onto the
hubs and insert the hubs into the ports in the Shell
assembly. Secure the hubs by tightening the nut onto
the hub threads.
4. Install the Front Bezel and/or Rear Cover Assemblies
and secure by tightening the four captive screws per
assembly using a bladed screwdriver.
4TB9515-0158
4TB9515-0159
4TB9515-0253
4TB9515-0254
4TB9515-0260
4TB9515-0261
4TB9515-0262
4TB9515-0263
4TB9515-0191
4TB9515-0199
4TB9515-0201
4TB9515-0198
4TB9515-0205
PG9 LIQUID TITE FITTING KIT (TB84)
4TB9515-0203
If the gaskets are damaged,
Supply and/or Input
REAR COVER KITS:
4TB9515-0162 (82)
4TB9515-0214 (84)
SHELL KITS:
4TB9515-0161 (82PH)
4TB9515-0175 (82EC/TE)
4TB9515-0224 (82TC)
4TB9515-0212 (84PH)
4TB9515-0213 (84EC/TE)
4TB9515-0225 (84TC)
4TB9515-0165 (FOR TB5 SENSORS)
4TB9515-0163 (FOR TBX5/TB4 SENSORS)
1/2" LIQUID TITE FITTING KIT
PCB
27