ELGi EN 30X-100, Инструкция по эксплуатации, техническому обслуживанию и запасным частям

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6.9
Maintenance

6.1.7 Thermal valve
Pre work
 Switch off the compressor and disconnect power supply
to the compressor.
 Close the discharge end ball valve.
 Release air oil tank pressure and allow the tank to cool
for a few minutes.
Requirements
 Pliers, screw driver, new thermal valve element, new O-
ring.
Procedure
Replacing thermal Valve
 Remove the thermal valve element from the thermal
valve block body
 Inspect and clean seating area in the housing
 Replace with a new thermal valve.
6.1.8 Electric motor greasing
Pre work
 Switch off the compressor and disconnect power supply
to the compressor.
 Close the discharge end ball valve.
 Release air oil tank pressure and allow the tank to cool
for a few minutes.
Requirements
 Recommended grease, cleaning cloth, grease gun.
Procedure
 Stop the motor and lock out the switch.
 Thoroughly clean the grease inlet fitting or plug. If the
motor has a plug, remove the plug and clean the inlet.
 Remove the drain plug and wipe out any hardened
grease.
 Slowly pump the grease into the grease inlet until the
new grease comes out of the drain plug.
 Start the motor and let it run for a minimum of one
hour to expel any excess grease from the drain opening
before re-installing the drain plug.
 Stop the motor and lock out the switch.
 Re-install the drain plug.
 Put the motor back in operation.
6.1.9 Oil cooler
External cleaning of oil cooler
 Isolate the machine from the service line.
 Vent separator tank pressure before performing
maintenance activities.
 Use compressed air less than 36 psi g (2.5 bar) to clean
the outer surface of the cooler.
 Replace the vent cover.
Internal cleaning of cooler
 Use a 5 percent% (by volume) mixture of caustic soda
in water. Circulate this mixture at 140oF (60°C) in the
cooler for 5 hours. If required, increase the duration of
circulation.
Figure 20. Thermal valve
THERMAL VALVE
ELEMENT
THERMAL VALVE
BLOCK