• Remove Casing Cover 92.
• Using spanner remove Rear Casing 91.
• Remove Spring 90 and Spring Retainer 89 from Regulator 93.
• Loosen Grub Screw 94 to allow Regulator 93 to be unscrewed from Rear Casing 91.
• Remove Spring 87 from Piston 83 and pull out Piston 83 which will release Cylinder 86 with three ‘O’ Rings 52, 53 and 84.
• Pull out Liner 85 with three ‘O’ Rings 80.
• Remove Plug 82 from Lip Seal 81 located in the main tool body.
• Remove Lip Seal 81 noting orientation.
• Replace seals and parts as required.
• Assemble in reverse order of dismantling.
Item numbers in bold refer to the Parts List on page 15.
Pressure Switch Removal
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