A SERVICE OF

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MODEL 66-80 VIBRATORY DRIVER/EXTRACTOR
II. PREPARATION FOR OPERATION
E. CONNECTION OF HYDRAULIC HOSES
1. Connection of hoses at power unit.
a. The vibrator and hydraulic clamp are connected to the power unit by five
hydraulic hoses (Fig. 1).
CAUTION: The power unit must be shut down during connection of the
hydraulic hoses.
b. The hoses connect to the power unit with quick-disconnect couplers.
The hose couplers are arranged to insure correct connections at the
power unit. See the diagram (Fig. 1) below for correct hose connection.
c. Clean couplers with a lint-free cloth before making connections.
d. Make sure that the couplers are fully run up. They should be fully hand
tight. Do not use wrenches to tighten.
II-3
Drive Pressure
Case Drain
Drive Return
Open Clamp
Close Clamp
Side View
of Vibrator
(Fig. 1)
950 Power
Open Clamp Line
Close Clamp Line
Attaches Behind
Unit