CHIEF AC DOCK LEVELER: 6 QT. TANK, 3 PHASE, ON/OFF

AC powered dock leveler controls two single acting dock cylinders. Valving: integrated sequence, shuttle, logic, and throttle valves (see drawing).  On/Off only, no remote needed.  Customer will be required to wire unit.

Dock levelers of this type utilize two single acting cylinders; one to raise the entire dock plate and the other to extend the lip that bridges the gap between the dock plate and the trailer. The operation is the same in both units, to place the dock in the loading position the unit’s AC motor is energized.
Oil is sent to cylinder #1 which raises both the dock plate and the lip to an approximate 45º angle.
When cylinder #1 is fully extended, a sequence valve sends oil to cylinder #2 to extend it.
When cylinder #2 is fully extended, the motor is de-energized, allowing cylinder #1 to retract and briefly holding cylinder 2 extended.
To release the trailer, the motor is energized extending cylinder #1, as the plate raises cylinder #2 is allowed to retract letting the lip fall back to a vertical position. When cylinder #2 is fully retracted, the motor is de-energized allowing cylinder #1 to retract and the dock to rest as pictured (see drawing).

Specifications:
GPM:  1.6
Valving Integrated sequence, shuttle, and throttle valves; Power is On/Off
PSI:  2,600
Port Size:  SAE 6
Voltage:  230 VAC
Phase:  3 Phase
Tank Size:  6 Qt. Poly (effective volume)
Width:  9.25"
Brand:  Bailey

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