Emerson VSG & VSSG Specifications download pdf (Page 60)

COMMAND SHAFT ASSEMBLY REMOVAL

The following steps can be used to remove or install

either the capacity or volume command shaft as-

semblies.

A) Prepare the compressor for servicing.

B) Follow the appropriate instructions to remove

control actuator. .

C) Remove four socket head cap screws (457) and

Nord-Lock washers (477) securing mounting

plate (415) to manifold.

D) The command shaft and mounting plate may

now be removed from the compressor.

COMMAND SHAFT ASSEMBLY INSTALLATION

A) Install the command shaft assembly with a new

o-ring (446) on the manifold. Make sure that the

command shaft tongue is engaged in the cross

shaft slot. Rotate the bearing housing so the

vent holes point down, this will prevent water

and dust from entering the vents.

Service

B) Install the actuator mounting plate with the four

socket head cap screws and Nord-Lock washers

securing it with proper torque.

C) The unit can now be leak checked.

COMMAND SHAFT BEARING AND O-RING SEAL

REPLACEMENT

A) Remove command shaft assembly.

B) Remove snap ring retainer (451) from command

shaft housing (412). Push the command shaft as-

sembly out of the housing.

457

477

415

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Emerson VSG & VSSG Specifications Page 60