Dismantling Instructions - Stanley AV-15 Instruction And Service Manual

O R I G I N A L I N S T R U C T I O N
Hydraulic oil is available to order under the following part numbers.
PART NUMBER
Enerpac® Part Number
Volume
Viscosity

5.7 DISMANTLING INSTRUCTIONS

IMPORTANT – ENSURE THE MAINS POWER SUPPLY TO THE HYDRAULIC PUMP UNIT IS SWITCHED OFF BEFORE REMOV-
ING 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 13 to
15. After dismantling the tool we recommend that you replace all seals.
Head Piston Assembly:
• Using a small flat screwdriver, remove the Pin 41 from the Collet Adapter 40.
• Unscrew and remove the Collet Adapter 40 from the Piston 1.
• 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 21 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.
• 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 16, 17 and 18.
* Service Kit on page 12.
HYDRAULIC OIL
07992-00081
HF-95X
1 Litre
32 mm2/s
07992-00082
HF-95Y
5 Litres
32 mm /s
2
E N G L I S H
07992-00083
HF-95T
20 Litres
32 mm2/s
13