Adjustment & Removal & Replacement Procedures
WARNING - Be sure the electrical power supply
and water supply are OFF, before starting any
of the following REMOVAL AND
REPLACEMENT procedures as a precaution to
prevent possible personal injury or damage to
equipment.
2. REMOVE AND REPLACEMENT OF
EVAPORATOR DRUM REFRIGERANT SEALING
DEVICES – must use seal kit.
1. Switch the MAR unit off and isolate it from the
condensing unit by shutting its liquid and suction
line valves. Recover any refrigerant from the MAR
unit.
After that the flare fitting at the inlet of refrigerant
manifold can be disconnected as shown.
2. Remove the 4 allen screws connecting the
refrigerant outlet fitting to the manifold.
3. Loosen and remove the 6 nuts that secure the
refrigerant manifold (1).
4. Loosen and remove
one
of the three screws
securing the seal mechanism ring to the drum
shaft journal.
5. Fit in place of it (screw removed in prior step)
the screw of 4 MA supplied in the kit then tighten
its nut.
6. Gradually loosen the two remaining screws and
the nut to release the spring of the seal
mechanism.
MAR1400 & MAR2000
December 2000
Page 25
