Intensifier - Avdel 74405 Manuel D'instructions

M a i n t e n a n c e
I n t e n s i f i e r
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When dismantling the intensifier assembly, first disconnect the air supply hose to Inlet Connector 22.
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Using an Allen Key* undo four Screws 27 and remove Protection Plate 24.
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Disconnect the trigger hose from the Connector/Reducing Valve 48 by depressing the outlet collet and withdrawing the hose.
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Remove Cover Plate 4 and Gasket 35 by removing Screws 37 and Washers 36 using Allen Key*.
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Ensure that gasket is not damaged to ensure a proper seal on assembly.
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Invert intensifier assembly and drain oil from reservoir into a suitable container.
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Remove Quick Release Connector 32 together with Connector 31 and Seals 33 with suitable spanner*.
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Remove Screw 19 using a suitable Allen Key* and remove Silencer Cover 16, Foam Silencer 15, Spacer 18 and Retaining Plate
20.
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Using a screwdriver, carefully remove internal Retaining Ring 14. Clean and inspect groove for sign of damage.
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Using Extractor*, insert male threaded end into End Cover 12 and withdraw it along with 'O' Ring 13.
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Insert Rod* through the connector orifice at the front of the Body Assembly 8 and tap out Piston Rod 9 together with Air Piston
Spacer 26, 'O' Ring 28, Air Piston 11, 'O' Ring 10 and Nut 17.
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Remove Seal Plug 7 with spanner*.
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Insert Rod* through connector orifice at the front of the Body Assembly 8 and push out Seal Housing 5 and associated 'O' rings
and lip seals.
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Remove Valve Housing Assembly 34 from the main body with a suitable spanner*. Clean by blowing through with a low-pressure
air jet.
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Remove Piston Rod 9 from Air Piston 11 by gripping the first 20 mm (
to damage or mark the working surface.
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Unscrew locking Nut 17 with a suitable spanner*.
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Assemble in the reverse order of dismantling, observing the following:
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Clean all parts and renew all 'O' rings.
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Lubricate all seals using Moly Lithium grease.
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Valve Housing Assembly 34 must be refitted using a thread sealing adhesive.
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Assemble the Piston Assembly using a new Nut 17.
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End Cover 12 must be fitted correctly inside Retaining Ring 14. The tool must not be operated if the end cover has been omitted.
Priming is ALWAYS necessary after the tool has been dismantled and prior to operating.
* Refers to items included in the 74405 Service Kit. For complete list see page 11.
Items in bold refer to the Intensifier General Assembly drawing and Parts List on pages 18-19.
3
/ ") of the rod in a vice fitted with soft jaws, taking care not
4
I M P O R T A N T
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