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Chapter 3: Maintenance and Repair
Very little maintenance is required. The enclosure is watertight but should be checked regularly to ensure
that all components are operating properly. Contact VarTech for assistance and/or to order spare parts.
Cleaning
Systems are housed in stainless steel enclosures. The enclosure may be cleaned with a variety of
industrial cleaners or solvents. To prevent discoloration or deterioration of the enclosure finish, avoid
prolonged contact with acids or strong solvents. Systems may be hosed down safely.
Preventive Maintenance
Check Every Three Months
Internal Components
1) Fans
a) Verify that the computer fan is operating
b) Check that the power supply fan is operating.
c) Verify the heat exchanger fans are operating.
2) Verify that all cable connectors are securely fastened.
3) Check door seal for nicks, breaks or loosened mounting adhesive.
4) Verify that all conduit and cable connections are secure.
5) Check all cables for nicks, frayed or damaged insulation. Check closely the area where the wiring
crosses the enclosure's hinge line.
6) Verify the cables clear of any sharp edges and loop correctly when the door is closed.
External Components
1) Check heat exchanger cooling fins for excess buildup of dust, dirt or other materials that could reduce
the system's heat rejection. Clean the fins by flushing with air or water.
2) Check for loose mounting screws and worn or broken vibration isolators.
3) Check for cracked or loose display window.
VT170 & 190ESC
11
150-113
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