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MSD 7R SHEARS
Page 2
Section 7
Rotator Maintenance
THE ROTATOR
The rotator is capable of 360º continuous rotation for easy, accurate cutting at all angles. The rotator requires
special attention for maintenance and proper operating procedure.
The rotator is to be used only as a posi-
tioning feature, not as a means of bending or breaking material.
Use of the rotation feature for any other
purpose may damage the rotation components and may compromise the shear warranty.
The rotation circuit consists of a hydraulic motor driving a turntable bearing. Periodic maintenance require-
ments include maintaining proper bolt torques and lubrication; these maintenance items are detailed on the
following pages.
FIGURE 7-1
FIGURE 7-2
PINION GREASE
FITTING
FLOW CONTROL
VALVE
CROSSOVER RELIEF
VALVE
MOTOR
PINION GEAR
TURNTABLE
BEARING
MANIFOLD
TURNTABLE
BEARING
GREASE