Dixon A540CSB0251 Istruzioni per la manutenzione e il funzionamento - Pagina 8
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Maintenance
SERVICE SHOULD BE COMPLETED ONLY BY A QUALIFIED HAZARDOUS LOCATION TECHNICIAN.
REPLACE PARTS WITH GENUINE DIXON OR APPROVED EQUIVALENT PARTS; SUBSTITUTION MAY
IMPAIR INTRINSIC SAFETY.
The A540 has few parts that will require regular maintenance and is designed for long service periods.
Unsheltered units should be serviced in dry weather to prevent rainwater from entering the enclosure
and minimize moisture exposure.
1. If the ground connection is becoming intermittent, it is advised to inspect the clamp and cable.
2. Dulling of the clamp teeth may be a sign that the clamp has reached the end of its usable life
and should be replaced. Contact Dixon for replacement parts.
3. Checking the cable for a failing conductor can be done by clamping to a known grounded piece
of metal, then flexing the cable. If the ground controller's indicator changes while flexing the
cable, the cable has reached the end of its usable life and should be replaced. Do not attempt to
repair the cable. Contact Dixon for replacement parts.
a. In the event that the cable does need to be replaced, it can be removed while energized.
b. Open the A540 junction box and note the wire positions for each conductor in the A540
cable on the terminal block.
c. Remove the wires from the terminal block.
d. Compress the mesh cordgrip by pushing it toward the bottom of the junction box.
e. With the cordgrip compressed, the old cable may be pulled out, and new cable installed.
f.
Once the new cable has been installed into the mesh cordgrip, re-wire the cable into the
A540 junction box terminal strip.
g. Close the A540 junction box.
h. Verify proper functionality of system by testing before putting into service.
Replacement parts
Description
Rack Cable with clamp
Cord Grip
Sealing Fitting; ¾" Vertical
Sealing Compound
REV A 2020/12/11
30710PA
Part Number
30585
30708
30129AL
30339 for 5 lbs. or 30339-002 for 1 lb.
877.582.3569
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