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C) To remove the cross shafts, remove socket head
bolts, clamp and spacers from both sides.
VSS 751-2101 compressors cross shafts.
VSM 301-701 & VSS 2601-3001 compressors
cross shafts
Volume control cross shaft.
Capacity control cross shaft.
D) Drive the roll pins from pinion gear from one
side. Remove pinion gear. Slide the cross shaft
with the remaining pinion gear or spacers out of
the opposite side. Repeat the procedure for the
Service
remaining cross shaft.
INSTALLATION OF CAPACITY OR VOLUME
CROSS SHAFTS
A) To reassemble either set of capacity or volume
ratio slide valve racks, install the cross shaft with
the pinion gear onto the back plate, place the
remaining pinion gear on the shaft and drive in
the roll pins. Install clamps, spacers and bolts
on both sides. Tighten the bolts to the recom-
mended torque values.
B) The slide valve sets must be synchronized on VSS
451-3001 and dual gate VSM 301-701 units. Both
slide valve racks for either the volume ratio or
capacity slide valves must engage the cross shaft
gears at the same time. Push the racks all the way
towards the suction end of the compressor until
they stop. Install washers and jam nuts on the
slide valve shafts. Repeat the procedure for the
remaining set of slide valve racks.
C) Install (2) guide rods to position the discharge
manifold. Install a new manifold gasket and
the discharge manifold. Install the dowel pins
and bolts, tighten manifold bolts to the recom-
mended torque value.