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Assemble in reverse order to dismantling noting the following points:
Place lip seal 8 onto the insertion rod* ensuring correct orientation. Push the guide
•
tube* into the head of the tool and push the insertion rod* with the seal into place through the
guide tube* . Pull the insertion rod* out then the guide tube.
The chamfered edge of retainer 26 must face forward with the gap at the bottom.
•
•
After fitting seals 11 and 12 onto the piston ensuring correct orientation, lubricate the
cylinder bore and place the piston sleeve* into the back of head assembly 4 . Slide the bullet*
onto the threaded part of piston 7 and push the piston with the seals through the piston sleeve*
as far as it will go. Slide the bullet* off the piston and remove the piston sleeve.
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Jaw spreader housing 1 must be fully tightened onto head piston 7 before tightening
locknut 3 against it.
PNEUMATIC PISTON ASSEMBLY
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Remove 'ON/ OFF' valve assembly 55 and·o·ring 47.
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Clamp the body of the inverted tool across the air inlet bosses in a vice fitted with soft
jaws.
Using the peg spanner* unscrew base cover 36 and pullout cylinder liner 41.
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•
Remove pneumatic piston assembly 38 from body 34 together with 'O' ring 35, lip seal
37 and guide ring 31.
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Screw the seal extractor * into seal assembly 30 and pull it out of the intensifier tube of
head assembly 4 .
Assemble in reverse order to dismantling.
VALVE SPOOL ASSEMBLY
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Remove pneumatic piston assembly 38 and seal assembly 30 as described
immediately above .
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Using the T spanner* and T spanner spigot* undo clamp nut 32 and remove it together
with clamp plate 58, transfer tube 40 and valve rod 39.
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Release the tool from the vice and separate body 34 with 'O' ring 27 from handle
assembly 28.
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Remove 'O' ring 29 from the intensifier tube and pull off head assembly 4 from handle
assembly 28.
•
Push out valve seat 59 with both 'O' rings 6.
Pull out all the components of valve spool assembly 49.
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Finally remove 'O' ring 54 out of the handle counterbore.
Assemble in reverse order to dismantling ensuring that the central port in valve seat 59 faces
upwards.
TRIGGER
Using the 2 millimetre diameter pin punch*, drive trigger pin 44 out and lift off trigger
•
43.
Unscrew trigger valve 42 using the trigger valve extractor *. Assemble in reverse order
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to dismantling.
IMPORTANT
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