Ashcroft LS ATEX Series, Инструкция по установке и техническому обслуживанию

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
Check on function, in conjunction with downstream components

Check of pressure lines for damage and tightness
9.2 Cleaning and maintenance
Cleaning is carried out with a non-aggressive cleaning agent and a damp soft cloth to avoid electrostatic charging. In
the same work process, care can be taken to detect possible damage to the device at an early stage. If any damage is
detected, the unit should be handed over to the manufacturer's service department immediately.
10
Faults
All defective or faulty equipment must be taken out of service. Defective or faulty devices should be handed over to the
manufacturer's service department immediately. Under no circumstances repair attempts should be made on site.
Device safety can no longer be guaranteed.
Contact details see chap. 1.6
Fault Possible causes Possible measures
Switch function do not work 1) Damaged Reed contact
2) Jammed float
3) Wrong wiring
4) Missing or shifted SEEGER
ring
1) Replacement of the level
switch unit
2) Clean the slide bar/stem and
floats with a soft cloth
3) Check wiring according to
the manual
4) Send for repair to
ASHCROFT
®
Corrosion at slide bar/stem and float Incompatible process media Replace level switch with compatible
materials
Bended slide bar/stem Incorrect handling or mounting Send for repair to ASHCROFT
®
Damage to housing or wiring Incorrect handling or mounting Replace/repair level switch at
ASHCROFT
®
10.1 Behaviour after rectifying the fault
See chapter 8 Assembly/Installation
11
Dismantling & disposal
11.1 Disassembly

During maintenance work on the unit, the lines must be depressurized and emptied and the system must be secured
against being switched on again.

Unplug or remove electrical wiring

Dismantle the measuring device using a suitable tool
Residual media in and on dismantled measuring instruments can endanger people, the environment
and equipment. Sufficient precautionary measures must be taken. If necessary, the devices must be
cleaned thoroughly (see notes in the safety data sheets).