Contents
Introduction .................................................................................................................................................... 3
Safety Precautions .......................................................................................................................................... 3
General Procedures ........................................................................................................................................ 3
Maintenance Schedules ............................................................................................................................ 3
Initial Inspection and Pre-Test ................................................................................................................. 3
Infrequently Used Regulators .................................................................................................................. 4
Work Area & Required Tools ................................................................................................................... 4
O-ring Removal ........................................................................................................................................ 4
Lubrication ............................................................................................................................................... 4
Table 1 – Recommended Tools ....................................................................................................................... 5
Table 2 – Lubricant and Cleaner .................................................................................................................. 6
Disassembly Procedures ................................................................................................................................. 7
Cleaning & Inspection Procedures.............................................................................................................. 10
Reassembly Procedures ................................................................................................................................ 12
Final Adjustment and Testing Procedures ................................................................................................. 15
External Leak Test .................................................................................................................................. 16
Subjective Breathing Test ....................................................................................................................... 16
Table 3 – Troubleshooting ............................................................................................................................ 17
Repair & Replacement Parts ....................................................................................................................... 18
Schematic Drawing ....................................................................................................................................... 19
