16
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.
•
Drop seal retainer
30
against lip seal
8
large flange first.
•
Fit seals
11
and
13
onto the piston.
•
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.
•
Fit seal housing
5
and lip seal
67
.
•
Tighten jaw spreader housing
1
fully tightened onto head piston
7
BEFORE tightening locknut
3
against it.
•
Use Loctite 932 when reassembling Retaining Nut
26
.
•
Remove ‘ON/OFF’ valve assembly
60
.
•
Clamp the body of the inverted tool
ACROSS THE AIR INLET BOSSES
in a vice fitted with soft jaws.
•
Pull off rubber boot
80
.
•
Using the peg spanner* unscrew base cover
40
.
•
Unscrew locknuts
76
(2 off) and remove base plate
77
.
•
Remove liner
45
together with sealing washers
75
(2 off) and 'O' rings
78
(2 off).
•
Remove pneumatic piston assembly
42
together with ‘O’ ring
39
, lip seal
41
(3 off) and guide ring
35
.
Assemble in reverse order.
•
Remove pneumatic piston assembly
42
and seal assembly
34
as described immediately above.
•
Using the ‘T’ spanner* and ‘T’ spanner spigot* undo clamp nut
36
and remove it together with clamp plate
63
, transfer tube
assembly
44
, ‘O’ ring
6
, valve rod
43
and silencer pads
62
.
•
Release the tool from the vice and separate body
38
with ‘O’ ring
31
from handle assembly
32
.
•
Remove ‘O’ ring
33
from the intensifier tube and pull off head assembly
4
from handle assembly
32
.
•
Push out valve seat
64
with both ‘O’ rings
6
.
•
Pull out all the components of valve spool assembly
54
.
•
Finally remove ‘O’ ring
59
out of the handle counterbore.
Assemble in reverse order noting the following points -
•
Ensure that the central port in valve seat
64
faces upwards.
•
Use Loctite 243 when reassembling Clamp Nut
36
, torque to 11ft lb (14.91 Nm).
•
Using the 2 millimetre diameter pin punch*, drive trigger pin
48
out and lift off trigger
47
.
•
Unscrew trigger valve
46
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 G4 service kit. For complete list see page 15.
Item numbers in
bold
refer to the general assembly drawing and parts list on pages 18-19.
Servicing the Tool
Head Assembly
Pneumatic Piston Assembly
Valve Spool Assembly
Trigger
Summary of Contents for Genesis G4 HD
Page 2: ......
Page 17: ...17 English Notes...
Page 24: ......
Page 39: ...39 Fran ais Notes...
Page 46: ......
Page 61: ...61 Deutsch Anmerkungen...
Page 68: ......
Page 83: ...83 Italiano Notes...
Page 90: ......
Page 92: ......
