Emerson VSR, VSS service manual Service, INSTALLATION All VSM 301-701 Models

Service

INSTALLATION (All VSM 301-701 Models)

A)	Install the gate rotor support. Carefully tilt the
	roller bearing end of the gate rotor support to-
	wards the suction end of the compressor. The
	compressor input shaft may have to be rotated
	to facilitate the installation of the gate rotor
	support.
B)	Install the roller bearing housing with a new
	O-ring. Tighten the bolts to the recommended
	torque value.
C)	Install the spindle with shims and o-ring, tighten
	the bolts to the recommended torque value,
	measure the clearance between the shelf and
	blade.
D)	Check the clearance between the entire gate
	rotor blade and the shelf, rotate the gate rotor
	to find the tightest spot. It should be between
Gaterotor for C-flange Models	0.003”-0.004”. Make adjustments, if necessary.
	It is preferable to shim the gate rotor blade
	looser rather than tighter against the shelf.
E)	Once the clearance is set remove the spindle.
	Install new o-ring, apply Loctite 242 thread
	locker to the socket head cap screw clamping
	the thrust bearings to the spindle. Torque all
	bolts to the recommended torque values.
F)	Install side covers with new gaskets. Tighten
	bolts to the recommended torque value. The
	unit can now be evacuated and leak checked as
	outlined in section 0.03.

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