Maintenance; Stem Catcher Unit; Piston Assembly; Trigger Assembly - Stanley 07287 Instruction And Service Manual

O R I G I N A L I N S T R U C T I O N

7.4 MAINTENANCE

Every 500,000 cycles the tool should be completely dismantled and components replaced where worn, damaged or when
recommended. All 'O' rings and seals should be replaced with new ones and lubricated with Moly Lithium Grease EP3753
before assembling.
WARNING - Read Safety Instructions on page 4 to 6.
WARNING - The employer is responsible for ensuring that tool maintenance instructions are given to the
appropriate personnel.
WARNING -The operator should not be involved in maintenance or repair of the tool unless properly trained.
WARNING -The tool shall be examined regularly for damage and malfunction.
Item numbers in bold refer to the General Assembly and Parts List on pages 22 and 23.
• The airline must be disconnected before any servicing or dismantling is attempted unless specifi cally instructed
otherwise.
• It is recommended that any dismantling operation be carried out in clean conditions.
• Prior to dismantling the tool it is necessary to remove the nose assembly. For simple removal instructions see the Nose
Assemblies section on pages 10 and 11.
• Remove Bleed Screw 18 and Washer 19 from the tool handle and drain oil from tool.
• For total tool servicing we advise that you proceed with dismantling of sub-assemblies in the order shown overleaf.
• To disconnect Oil Hose 26 and Air Hose 27 from the tool handle, lower Sleeve 22 to gain access to the hoses.
• Disconnect air hose by pushing and releasing the quick release connector. Using two spanners, undo oil hose at
Connector 21, leaving the connector attached to the tool handle. Remove the tool handle.
The potentially dangerous substances that could have deposited on the machine as a result of work processes must
be removed before maintenance.

7.5 STEM CATCHER UNIT

Item numbers in bold refer to the Stem Catcher Unit drawing on page 19.
• To remove the stem catcher assembly from the tool, loosen three Screws 1 and slide stem catcher Adaptor 8 together
with the stem catcher from off of the Stop Cover 3* (*on pages 22 and 23).
• Remove two Screws 2 and separate the stem catcher assembly from stem catcher adaptor.
• Assemble in reverse order of dismantling.

7.6 PISTON ASSEMBLY

Item numbers in bold refer to the General Assembly and Parts List on pages 22 and 23.
• Grip tool Handle 1 in a vice fi tted with soft jaws and, using a spanner on the fl ats of the protrusion on Stop Cover 3,
unscrew stop cover, together with 'O' Ring 12.
• Remove 'O' Ring 12 from groove on outer diameter of Stop Cover 3 and remove Seal 11 from inner diameter.
• Using circlip pliers, remove Circlip 17 from Piston 2 and withdraw Defl ector Support 4 and Spring 5.
• Push Piston 2 out of rear of tool (some oil will be ejected from tool during this action).
• Using circlip pliers, remove Circlip 16 from tool handle and remove Lip Seal 10.
• Remove 'O' Ring 14 and Graphite Ring 13 from Piston 2.
• Assemble in reverse order of dismantling, ensuring that Seals 10, 11, 14 and Graphite Ring 13 are assembled the
correct way round as shown on page 21.
• Use piston insertion tool* to install the piston.

7.7 TRIGGER ASSEMBLY

Item numbers in bold refer to the General Assembly drawing and Parts List on pages 22-23.
• Using a spanner, undo Locknut 7 and remove Trigger 6, 'O' Ring 15 and Spring 8 from Handle 1.
• Assemble in reverse order of dismantling.

7.8 CABINET

Item numbers in bold refer to the General Assembly drawing and Parts List on page 23.
• The cabinet comprises two Intensifi ers 4 and 25, a pilot Valve 23, a Pressure Regulator and Filter Assembly 45 and an Air
Pressure Indicating Assembly 53 together with the air hoses internal to the cabinet.
• Servicing is limited to removal/replacement of complete assemblies and the renewal of seals within the pilot valve.
• To dismantle the cabinet it is necessary to extract the Base Plate 61 and the components installed on it. This is possible
after disconnecting all hoses and removing items restricting the withdrawal of the base plate.
*
Item included in the service kit.
E N G L I S H
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