This manual provides information for the maintenance and operation
of the Model RM-77, "Radiator Maintenance Fixture".
Purpose and Function
The Model RM-77 is an air hydraulicaly-operated maintenance fixture,
designed for use in cleaning, testing and repairing all types of
The Model RM-77 is used to raise radiators over the edge of the
maintenance tank and submerge them for cleaning, repairing and testing.
Model RM-77 is capable of lifting radiators with dimensions of up to
45 inches wide x 45 inches high and 6 inches thick, with a weight of
Up to 350 lbs.
The vertical movement is manually controlled by using a 3-way lever
The amount of depression on the lever will control the speed of the
Due to the compressibility of air, a small vertical
movement is induced after the 3-way valve is brought to a neutral
Should the operator desire to prevent this movement, jog
the 3-way valve in the opposite direction.