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Annually or every 500,000 cycles the tool should be completely dismantled and new
components should be used where worn, damaged or recommended. All 'O' rings and seals
should be renewed and lubricated with Moly Lithium grease EP 3753 before assembling.
For an easy complete service, we are offering a complete service kit.
The employer is responsible for ensuring that tool maintenance instructions are given to the
The operator should not be involved in maintenance or repair of the tool unless properly
The tool must be disconnected before any servicing or dismantling is attempted unless
specifically instructed otherwise . It is recommended that any dismantling operation be carried
out in clean conditions.
Before proceeding with dismantling, empty the oil from the tool following the first three steps
of the 'Priming Procedure'. Prior to dismantling the tool it is necessary to remove the nose
equipment. For instructions see the nose equipment section.
For a complete service of the tool, we advise that you proceed with dismantling of sub-
assemblies in the order shown. After any dismantling REMEMBER to prime the tool and to fit
an appropriate nose assembly or swivel head.
HEAD ASSEMBLY
•
Unscrew
retaining
18,19,20,21,45,63,64 and 'Q' ring 17.
Pull off stem collector adaptor 13 .
•
•
Using the T spanner* remove end cap 23 together with seal 15, 'O' ring 14 and lip seal
24.
•
Remove buffer 25.
Loosen locknut 3 with a spanner* then unscrew jaw spreader housing 1 and 'O' ring 2.
•
•
Remove locknut 3 together with 'O' rings 65 and 66.
•
Push head piston 7 to the rear and out of head assembly 4 taking care not to damage
the cylinder bore.
•
Using circlip pliers*remove seal retainer 26. Push lip seal 8 to the rear and out
of head assembly 4 taking care again not to damage the cylinder bore.
•
Remove seal retainer 26. Push lip seal 8 to the rear and out of head assembly
4 taking care again not to damage the cylinder bore.
•
Remove seal housing 5 and lip seal 6.
Item numbers in bold refer to the general assembly drawing and parts list.
HEAD ASSEMBLY
IMPORTANT
Read Safety Instructions.
appropriate personnel.
trained.
22
nut
and
pull
www.degometal.com
off
stem
collector
assembly,
items
23
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