Emerson VSG & VSSG Spécifications télécharger pdf (Page 39)

Gaterotor for C-ange Models

INSTALLATION (All VSG 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 nd the tightest spot. It should be between

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.

Service

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Emerson VSG & VSSG Spécifications Page 39