EGAmaster MASTEREX 79732 Manuel D'instructions page 8

• The explosion-proof light is with angle adjusting function from 0 -180 to meet a variety of
angle lighting orientation.
• The explosion-proof light is with three modes Low, High, OFF. Press first "Low", second
"High", third "OFF".
• The power part is cast sealed. Stop use the light when the cast sealing material turn soft,
crack and expand.
• When wiring, make sure there is no absent of the seal ring, the retainer ring and the
compression nut in the cable leading device. The cable which goes through the leading
device should be grounded. Tighten the compression nut at last.
• The following operations are prohibited in any possible dangerous area:
Open the light when it is working or turning off the load.
Regular or occasional maintenance and repair.
• The persons who use the light at site should know about the performance of explosion-proof
light. Turn off the light in time and evacuate the dangerous area when find any abnormal
phenomenon. Unqualified repair person is not allowed to repair the explosion-proof lights.
• The service man must have on-the-job training to know the specification and operating
performance of explosion-proof light. They must have professional knowledge and should
familiar with the structure of explosion-proof light.
• Clean the dust and dirt on the shell of the explosion-proof light regularly to improve the
luminous efficacy and heat dispersion performance. A wet cloth can be used for cleaning.
• Check whether the transparent parts have been impacted by foreign body regularly. Check
whether the fasteners and inner components are loose, soldering off or corroded. If yes, do
not use it until maintained.
• If use the light in damp environment, please regularly check and change the sealing
components to ensure the protective performance of the shell.
• When the cast sealing material turn soft, crack and expand obviously, please change the
power immediately.
• The sealing ring, retainer ring and compression nut in the cable leading device cannot be
omitted, miss assembling of any part of them, or easily discarded.
• When disassemble the light, must comply with the warning requirements to operate in non-
dangerous area.
• After open the shell, should check whether the sealing components become hard or
adhesive; whether the insulating layer of the wire become green or carbonized; whether
the insulating parts and electrical components become deformed or have scorch. If these
problems are found, must repair the light immediately.
• The model, specification, dimension and performance of the parts for maintaining should
keep the same as the original ones.
• Before closing the shell, should use replacement type anti rust oil on the explosive-proof
threads and check whether the sealing ring is at the original location by achieve the sealing
function when close the shell.
• Do not disassemble the sealing parts of the light often. Otherwise the explosive-proof function
will be affected.
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6. MAINTENANCE