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Servicing the Tool
•
Remove ‘ON/OFF’ valve assembly
55
.
•
Clamp the body of the inverted tool
ACROSS THE AIR INLET BOSSES
in a vice fitted with soft jaws.
•
Pull off rubber boot
72
.
•
Using the peg spanner* unscrew base cover
36
.
•
Unscrew locknuts
68
(2 off) and remove base plate
70
.
•
Remove liner
41
together with sealing washers
71
(2 off) and 'O' rings
69
(2 off).
•
Remove pneumatic piston assembly
38
together with ‘O’ ring
35
, lip seal
37
(3 off) and guide ring
31
.
Assemble in reverse order.
•
Remove pneumatic piston assembly
38
as above.
•
Using the ‘T’ spanner* and ‘T’ spanner spigot* unscrew clamp nut
32
and remove it together with top plate
58
, tie rods
39
and transfer
tube assembly
40
.
•
Release the tool from the vice and separate body
34
from handle assembly
28
.
•
Remove ‘O’ ring
29
from intensifier tube and remove head assembly
4
from handle assembly
28
.
•
Push out valve seat
59
together with both ‘O’ rings
64
(2 off).
•
Remove all components of valve spool assembly
49
.
•
Remove ‘O’ ring
54
from handle recess.
Assemble in reverse order noting the following points -
•
Ensure valve seat is correctly orientated.
•
Use Loctite 243 when reassembling Clamp Nut
32
, torque to 11ft lb (14.91 Nm).
•
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 to dismantling.
I M P O R T A N T
Check the tool against daily and weekly servicing
Priming is ALWAYS necessary after the too has been dismantled and prior to operating.
* Item included in the G3 service kit. For complete list see page 19.
Item numbers in
bold
refer to the General Assembly drawing and parts list on pages 22-23.
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 bore of the head assembly
4
, push the
insertion rod* with lip seal
8
attached through the guide tube* to locate seal into recess. Withdraw insertion rod* and guide tube*.
•
The chamfered edge of seal retainer
26
must face towards lip seal
8
orientated with the 'gap' of the retainer towards the bottom of the
bore, in line with the hydraulic inlet port to the head bore.
•
After fitting lip seal
11
and 'O' ring
12
(2 off) onto the head piston
7
ensuring correct orientation, lubricate seals and cylinder bore.
Assemble piston sleeve* into the head assembly bore
4.
Attach bullet* to thread of head piston
7
. Push the piston fully through the
sleeve*. Remove the bullet* and the piston sleeve*.
•
Jaw spreader housing
1
must be fully tightened onto head piston
7
'trapping' vacuum sleeve
46
before tightening locknut
3
against it.
•
Use Loctite 932 when reassembling Retaining Nut
22
.
Head Assembly
Pneumatic Piston Assembly
Valve Spool Assembly
Trigger
20
Содержание Genesis G3 HD
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