Hi-Force HP227D Betriebs- und Wartungsanleitung - Seite 2

Blättern Sie online oder laden Sie pdf Betriebs- und Wartungsanleitung für Water Pump Hi-Force HP227D herunter. Hi-Force HP227D 2 Seiten.

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PUMP OPERATION.

1. The pump may be used either horizontally or vertically with the hose end downwards. Before use

unscrew the small bleed screw on the top of the tank. This will and maximise the oil volume

available. Tighten the bleed screw again before transporting the pump. The pump is equipped

with a pressure relief valve factory set at the maximum operating pressure.

2. To advance the cylinder, move the valve lever towards the hose outlet that is connected to the

advance port of the cylinder. Operate the pump handle.

3. To prevent accidental operation, centralise the valve lever when the cylinder is in the desired

position.

4. To retract the cylinder move the valve lever towards the hose outlet that is connected to the

retract port of the cylinder. Operate the pump handle.

5. WARNING: DO NOT RELY ON THE PUMP VALVE FOR POSITIVE LOAD HOLDING. IF IT IS

REQUIRED TO LOCK THE LOAD IN POSITION USE A MANUAL SHUT OFF VALVE OR

PILOT OPERATED CHECK VALVE IN THE CIRCUIT. NEVER WORK UNDER A LOAD

SUPPORTED ONLY BY HYDRAULIC MEANS.

FILLING WITH OIL.

Ensure cylinder is full retracted.

HP227D: Position pump vertically with pump head downwards. Remove central plug on rear of pump

and check oil level using dipstick fitted to plug.

HP257D: Position pump horizontal on a flat surface remove plug on the top of the tank and check oil

level with dipstick on plug.

BLEEDING THE HYDRAULIC SYSTEM.

Connect a cylinder to the pump. Position the cylinder below the level of the pump with its pressure

ports uppermost. Ensure the bleed screw on the pump is open. Operate the cylinder 3-4 times over

its full stroke and all air should be forced back to the pump reservoir. Warning: when using a small

cylinder with long hoses it is possible that air can remain trapped in the hose if the volume of the hose

is greater than the volume of the cylinder. In this case the bleeding must be carried out using a

shorter hose before use.

Hi-Force Ltd. Tel: +44 (0)1327 301000 Fax: +44 (0)1327 706555. www.hi-force.com

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