Stanley AV 10, Instruction And Service Manual

Page: 12 / 300

5.6 HYDRAULIC OIL
CAUTION – USE ONLY ENERPAC® HF HYDRAULIC OIL – THE USE OF ANY OTHER OIL MAY CAUSE THE PLACING TOOL
AND PUMP TO MALFUNCTION AND WILL RENDER THE PLACING TOOL WARRANTY NULL AND VOID.
Hydraulic oil is available to order under the following part numbers.
HYDRAULIC OIL
PART NUMBER 07992-00081 07992-00082 07992-00083
Enerpac® Part Number HF-95X HF-95Y HF-95T
Volume 1 Litre 5 Litres 20 Litres
Viscosity
32 mm
2
/s 32 mm
2
/s 32 mm
2
/s
5.7 DISMANTLING INSTRUCTIONS
IMPORTANT – ENSURE THE MAINS POWER SUPPLY TO THE HYDRAULIC PUMP UNIT IS SWITCHED OFF BEFORE
REMOVING THE NOSE ASSEMBLY OR DISMANTLING THE PLACING TOOL.
Before Dismantling:
• Uncouple the Quick Couplers
10
and
11
and the electrical Control Cable
14
between the placing tool and the Hydraulic
Hose Assembly.
• Remove the nose assembly from the placing tool as per the instructions in the relevant nose assembly datasheet.
• The potentially dangerous substances that could have deposited on the machine as a result of work processes must be
removed before maintenance.
For a complete service of the tool, we advise that you proceed with dismantling the tool in the order shown on pages 12
to 14. After dismantling the tool we recommend that you replace all seals.
Head Piston Assembly:
• Remove the Deflector
3
, from the End Cap
17
.
• Clamp the tool handle in a vice with soft jaws so that the tool is pointing nose down. Insert the dowel pins on the * End
Cap Assembly Tool into the three holes in the End Cap 17 .
• Using a 24 mm A/F spanner, unscrew and remove the End Cap 17 , from the Body 2 .
• Using a small flat screwdriver, remove O-Ring 33 from the End Cap 17 and discard.
• Connect the spare *Quick Coupler – Male to the Quick Coupler – Female
11
on the Hydraulic Hose - Return
18
. This will
release any pressure from the return side of the Piston
1
and ease the removal of the Rear Seal Gland
16
.
• Insert three M4 screws into the Rear Seal Gland
16
, and use them to pull the part off the rear shaft of the Piston
1
and
out of the Body
2
.
• Using a small flat screwdriver or similar tool, remove O-Ring 30 and Spiral Back-up Ring 36 , from the external groove
on the Rear Seal Gland 16 , and discard. When removing the seals, take care not to damage the surface of the Rear Seal
Gland with the screwdriver.
• Remove Rod Seal 28 and Wiper Seal 31 , from the internal grooves on the Rear Seal Gland 16 , and discard. When
removing the seals, take care not to damage the surface of the Rear Seal Gland with the screwdriver.
• 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
on Hydraulic Hose - Return
18
.
• 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.
All numbers in
bold
refer to the General Assembly and Parts List on pages 15, 16 and 17.
*
Service Kit on page 11
12
ENGLISH