18 2006SSD-75 R4 (10/10)
Dual-Compressor Module Maintenance
Back-seating
control valve
Oil pump, piston type,
high pressure
Designed to operate
up to 250 psig
Filter wrench
Alternate product:
Strap lter wrench
Charging hose
60" (1524mm)
Extension hose with valve
6" (152mm)
4.2 Maintenance Tools
Figure 14 shows the tools needed for maintenance of the Compressor Module. Contact the Packager to
obtain a maintenance tool kit. These are typical air conditioning and refrigeration service tools.
Figure 14 Maintenance Tools
CAUTION
When pressure is applied to the oil pump, the handle may extend rapidly.
Verify the Compressor Module pressure is 0 psig before removing the second-stage oil separator.
NOTE
One full stroke oil pump of the handle dispenses 1.6 oz. (47ml) of oil. Move the pump handle
slowly using long, slow, full strokes.
NOTE
The hose ttings contain a core depressor that opens the Schrader valve when the ttings
are attached. A backseating control valve can be used to open the Schrader valves on the
Compressor Module.
When the knob is turned fully counterclockwise, the core depressor is retracted and the
backseating control valve can be installed on a Schrader valve without loss of oil.
When the knob is turned clockwise, the core retractor is extended, opening the Schrader valve.
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