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General| Brand | Apeks |
|---|---|
| Model | XL4 |
| Category | Controller |
| Language | English |
Manual copyright notice and introduction to factory-prescribed maintenance procedures.
Details warnings, cautions, and notes indicating potential injury or product damage.
Recommends annual examination and bi-annual full service for the regulator.
Outlines the six key checks for a proper second-stage regulator inspection.
Emphasizes following procedures exactly, using correct tools, and proper parts handling.
Explains terminology, directional conventions, and part referencing.
Details steps for removing the hose and inspecting crimps for damage.
Instructions for detaching the exhaust tee and removing the mouthpiece.
Guides on removing the clamp ring, inner locking ring, friction ring, and diaphragm.
Instructions for safely removing the Venturi lever and spindle components.
Step-by-step removal of the Venturi Lever from the regulator case.
Details on unscrewing the valve seat and separating the inlet shroud.
Procedure for removing the spindle assembly using specific tools.
How to inspect the exhaust valve for condition and seating surface cleanliness.
Checking the purge button and its spring for proper seating.
Checking the Venturi lever for stress and the spindle for damage.
Step-by-step guide to assembling the spindle body with its components.
Instructions on how to correctly insert the spindle assembly into the regulator case.
Final steps for inserting the spindle assembly and ensuring proper fit.
Procedures for installing the valve seat and inlet fitting assembly.
Procedures for seating the diaphragm, friction ring, and inner locking ring.
Detailed sequence for reassembling the purge button, cover, venturi lever, exhaust tee, and hose.
Method to verify the diaphragm seal by creating a vacuum.
How to use tools to adjust the lever height for optimal performance.
Procedures for checking air flow and performing a free flow test.
Method to measure and adjust the opening effort using specific tools.
Performing leak checks by submerging the regulator in water.
Evaluating breathing characteristics for proper function.
Steps for cleaning brass, stainless-steel, and anodised aluminium parts.
Procedures for cleaning plastic, composite, rubber components using soapy water.
Guidelines for cleaning regulator hoses, referring to a separate document.
Specific cleaning methods for parts used with Nitrox and Oxygen.
Instructions for wiping parts and performing a visual inspection for contaminants.
Guidance on lubricating O-rings with compatible grease for different uses.
Precautions for disinfecting equipment used in training or rental.
