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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
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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Place tool on its side, Bleed Screw 32 side up.
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With an Allen key, unscrew Bleed Screw 32 and remove with Oil Seal Washer 31.
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Fill tool with priming oil rocking gently to expel air.
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Replace Oil Seal Washer 31 and Bleed Screw 32 and tighten.
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You must now bleed the tool. This operation is to ensure air bubbles are eliminated from the oil circuit.
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Using an Allen key, ensure oil Bleed Screw 32 is fully tightened, unscrew by ONE TURN only, connect the tool to the air supply and depress
the trigger.
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Wait until oil appears all round oil Bleed Screw 32 then re-tighten. Wipe excess oil away.
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Release the trigger.
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Using an Allen key remove Bleed Screw 32 and Oil Seal Washer 31.
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Top-up with priming oil to reset level. Replace Oil Seal Washer 31 and Bleed Screw 32 and fully tighten.
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It is necessary to fit the appropriate nose equipment and adjust the tool stroke (see page 8) prior to operating the tool.
Item numbers in bold refer to the Base Tool General Assembly drawing and Parts List pages 16-17.
Summary of Contents for 74405
Page 1: ...Hydro Pneumatic Power Tool 74405 Instruction Manual Original Instruction ...
Page 2: ......
Page 25: ...25 Notes ...
Page 26: ...26 Notes ...