Avdel 07536 Manuel D'instructions page 39

M a i n t e n a n c e
D i s m a n t l i n g 0 7 5 3 6 - 0 2 2 0 0
TRIGGER ASSEMBLY
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To dismantle/service assembly, remove covers from the tool as described earlier.
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Disconnect all air hoses from assembly, taking care not to damage them. Remove assembly.
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Using a spanner*, unscrew the Retainer 34 and remove. Take care to keep the Spring 31.
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Prise off the 'O' Ring 10 taking care not to damage the Spindle 35 and Retainer 34 seatings.
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Clean and re-assemble using a new 'O' Ring 10.
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Check length of Spring 31 which must be 12.7mm (0.5") free length – replace if necessary.
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Assembly in reverse order of dismantling.
TAIL JAW ON/OFF VALVE
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The unit is designed so that minimum of servicing is required during the life of the tool.
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If it is necessary to dismantle the valve, proceed as follows:
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Remove Trigger Housing 56 as described in section "Hydraulic Piston".
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Using a screwdriver*, carefully remove the Chrome Star-lock Washer 18 from Air Tail Jaw Spool 55 and discard washer.
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Extract Air Tail Jaw Spool 55 from Switch Block 54.
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Taking care not to damage the Air Tail Jaw Spool 55, remove the 'O' Rings 12.
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Clean spool and refit new 'O' Rings 12 using assembly bullet* and insert into Switch Block 54, noting its orientation.
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Fit New Chrome Star-lock Washer 18 by clamping in a soft jaw vice to prevent damage. DO NOT USE UNDUE FORCE.
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Complete assembly in reverse order of dismantling.
HANDLE & END CAP
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Clean and inspect mouldings for cracks or other damage.
CURSOR
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Clean and oil cursor assembly occasionally with a little light oil.
Priming is ALWAYS necessary after the tool has been dismantled and prior to operating.
* Refers to items included in the 0753 Mkll Service Kit. For complete list see page 12.
Item numbers in bold refer to the general assemblies and parts lists on pages 16-17.
I M P O R T A N T
Check the tool against daily and weekly servicing.
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