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INSTALLATION (All VSS Models)
A) Install the gate rotor support by carefully tilting
the roller bearing end of the gate rotor support
towards the suction end of the compressor. The
compressor input shaft may have to be rotated
to facilitate the installation of the gate rotor sup-
port.
Install gate rotor stabilizer. The gate rotor sta-
bilizer (901) will hold the gate rotor support
in place as the thrust bearing housing is being
installed. If the gate rotor support is not re-
stricted from moving, the gate rotor blade may
be damaged.
B) Install the roller bearing housing (112) with a
new O-ring (141). Tighten the bolts (152) to the
recommended torque value.
C) When installing the thrust bearing housing
(113), a new O-ring (142) must be used when
the housing is installed. Lubricate the outside of
the housing and bearings with clean compressor
oil to aid in the installation. Due to the t of the
bearings on the gate rotor shaft, the thrust bear-
ing removal and installation tool with the pusher
shoe must be used. Turn the jacking screw clock-
wise. This will push the thrust bearings onto the
shaft and push the housing assembly into the
frame. Install the inner retainer (115) and bolts
(151) using Loctite
®
242 thread locker. Tighten
the bolts to the recommended torque value.
Service