12
Servicing the Tool
Remove Rear Bearing Ring
29
and check the part for wear or damage. Discard if necessary.
Remove the placing tool from the vice and empty the hydraulic oil from the rear of the tool. Remove the spare
*Quick Coupler – Male from the Quick Coupler - Female
11
.
Connect the spare *Quick Coupler - Female to the Quick Coupler - Male
10
on the Hydraulic Hose – Pull
19
.
This will release any pressure from the pull side of the Piston
1
and ease the removal of the Piston.
Screw the *Piston Bullet - Front on to the front of the Piston
1
.
Place the Body
2
nose up on a bench. Then using a soft mallet, tap the Piston
1
towards the rear of the Body
and out the back end, taking care not to damage the bore within the Body.
Note that when removing the Piston
1
, oil on the pull side of the Piston will leak from the front and rear of the
Body
2
.
When removing the Piston
1
, the Front Seal Gland
15
may be retained on the Piston shaft. If this is the case,
unscrew the *Piston Bullet - Front and pull the Front Seal Gland off of the Piston.
Using a small flat screwdriver remove Piston Seal
26
and the two Anti-Extrusion Rings
27
, from the external
groove on the Piston
1
, and discard. When removing the seals, take care not to damage the surface of the
Piston with the screwdriver.
If the Front Seal Gland
15
is still retained in the Body
2
. Place the Body nose up on a bench and then push the
Front Seal Gland from the front until it is free from the recess within Body. The Front Seal Gland can then be
removed from the back end of the Body. Take care not to damage the bore within the Body when doing so.
Using a small flat screwdriver remove O-Ring
23
and Spiral Back-up Ring
34
, from the external groove on the
Front Seal Gland
15
, and discard. When removing the seals, take care not to damage the surface of the Front
Seal Gland with the screwdriver.
Remove Rod Seal
25
and Wiper Seal
22
, from the internal grooves on the Front Seal Gland
15
, and discard.
When removing the seals, take care not to damage the surface of the Front Seal Gland with the screwdriver.
Remove the Front Bearing Ring
24
and check the part for wear or damage. Discard if necessary.
Using a small flat screwdriver, remove O-Ring
21
from the Body
2
and discard.
Remove the spare *Quick Coupler - Female from the Quick Coupler – Male
10
on the Hydraulic Hose – Pull
19
.
Do not remove Set Screw
42
from the Body
2
.
Assemble in reverse order to dismantling noting the following points:
Clean all components before assembling.
To aid assembly of seals apply a light coating of Molykote
®
111 grease to all seals, seal grooves, back-up rings
and the assembly tools.
Slide O-Ring
23
over the Front Seal Gland
15
and into the external groove. Insert the Spiral Back-up Ring
34
in
the same groove, in front of the installed O-Ring. Refer to the General Assembly and Parts List for the correct
orientation of the O-Ring and Spiral Back-up Ring.
All numbers in
bold
refer to the General Assembly and Parts List on pages 15, 16 and 17.
*
Service Kit on page 10
