Avdel Genesis nG4, Instruction Manual

Page: 27 / 120

27
P r i m i n g P ro c e d u r e
P r i m i n g
I M P O R T A N T
DISCONNECT THE TOOL FROM THE AIR SUPPLY OR SWITCH OFF AT VALVE 55.
REMOVE NOSE ASSEMBLY OR SWIVEL HEAD COMPONENTS.
All operations should be carried out on a clean bench, with clean hands in a clean area.
Ensure that the new oil is perfectly clean and free from air bubbles.
Care MUST be taken at all times, to ensure that no foreign matter enters the tool, or serious damage may result.
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Switch OFF air supply at ON/OFF Valve Assembly 62 .
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Remove all nose equipment. (see pages 9 and 14)
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Remove Bleed Screw 1 and Bonded Seal 6.
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Invert tool over suitable container, switch ON air supply at ON/OFF Valve Assembly 62 and actuate tool.
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Residual oil in the tools hydraulic system will empty through bleed screw orifice.
CARE SHALL BE TAKEN TO ENSURE THAT THE BLEED HOLE IS NOT DIRECTED TOWARDS THE OPERATOR OR OTHER
PERSONNEL.
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Switch air supply OFF at ON/OFF Valve Assembly 62 .
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Screw priming pump (07900-00700) into bleed screw port, utilising Bonded Seal 6 .
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Actuate Priming Pump by pressing down and releasing several times until resistance is evident and the Head Piston starts to move
rearward.
ENSURE PUMP IS KEPT ‘SQUARE’ TO BLEED SCREW PORT DURING PRIMING OPERATION TO PREVENT BREAKAGE OF BLEED
NIPPLE ON PRIMING PUMP.
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Remove the Priming Pump, surplus oil will expel from bleed screw port.
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Replace the Bleed Screw 1 together with Bonded Seal 6.
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Switch ON air supply at ON/OFF Valve Asembly 62.
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Check that the stroke of the Head Piston reaches specification. If not repeat above procedure.
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Switch OFF air supply and refit nose equipment. (see pages 9 to 14).
Item numbers in bold refer to the general assembly drawing and parts list on pages 24 and 25.
E n g l i s h