Emerson VSS, VSR, VSM Service, Gate Rotor Blade Installation, Gate Rotor Thrust Bearing Removal

Service

(with Relief)

VSS Models

GATE ROTOR BLADE INSTALLATION

A)Install damper pin bushing (120) in gate rotor blade (111) from the back side of the blade. Be sure the bushing is fully seated.

B)Place the blade assembly on the gate rotor sup- port. Locating Damper over pin.

C)Install washer (119) and snap ring (130) on gate rotor assembly. The bevel on the snap ring must face away from the gate rotor blade. After the gate rotor blade and support are assembled, there should be a small amount of rotational movement between the gate rotor and support.

D)For installation of the gate rotor assembly and setting of gate rotor clearance, refer to section INSTALLATION (All VSM 301-701 Models).

GATE ROTOR THRUST BEARING REMOVAL

A)Refer to section INSTALLATION (All VSS Models) for removal of the gate rotor bearing housings and gate rotor supports.

B)For removal of thrust bearings on VSM units:

1)Remove bolts (150) from the clamping ring (114).

2)Remove thrust bearing clamping ring.

3)Remove thrust bearings (126) from housing (113).

C)For removal of thrust bearings on VSS units:

1)Remove retaining ring from gate rotor sup- port.

2)Remove bearings from support.

3)Remove bearing retainer from inner race.

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