Doc. #1008-89 Service & Repair Manual - Micra ADJ Second Stage GENERAL GUIDELINES Introduction In order to correctly perform the procedures This manual provides factory prescribed proce- outlined in this manual, it is important to follow dures for the correct service and repair of the Micra each step exactly in the order given.
Micra ADJ Second Stage Service & Repair Manual Initial Inspection Procedure EXTERNAL INSPECTION Visually inspect the first stage filter to check for any signs that contaminants, such as moisture, rust, aluminum oxide, or charcoal may have entered the LP hose and second stage.
Micra ADJ Second Stage Service & Repair Manual Disassembly Procedures NOTE: Before performing any disassembly, refer to the schematic drawing, which references all mandatory replace- ment parts. These parts should be replaced with new, and must not be reused under any circumstances - regardless of the age of the regulator or how much use it has received since it was last serviced.
Micra ADJ Second Stage Service & Repair Manual the pin has exited, grasp the free end with pliers and pull to remove it completely. Examine the condition of the pin, and discard if it is found to be bent or damaged.
Micra ADJ Second Stage Service & Repair Manual Window Above Rail out, unless corrosion or salt buildup is present. Set the pin aside, and slowly release pressure on the retaining sleeve to Closed Pin Guide prevent the sudden ejection of parts.
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Micra ADJ Second Stage Service & Repair Manual unless corrosion or salt buildup is present. Set the pin aside, and slowly release pressure on the tool to prevent the sudden ejection of parts. Extended Rail & Pin Guides NOTE: If necessary, the Seat Extraction Tool (P/N 1094-36) or similar probe can be used to press out the pin.
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(see Fig. 7b). 31. Remove and discard the two exhaust valve diaphragms(6). This concludes the disassembly of the Micra ADJ sec- ond stage. Refer directly to Procedure A and Table A, Fig. 7a - Exhaust Cover Removal - Step 1 titled Cleaning &...
Micra ADJ Second Stage Service & Repair Manual Reassembly Procedures NOTE: Before performing any reassembly, it is important to inspect all parts, both new and those that are being reused, to ensure that every part and component is perfectly clean and free of any dust, corrosion, or blemishes.
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12 o’clock. 14. While holding the valve body standing vertical, place the slotted end of the Micra ADJ Lever Installation Tool inside the valve body, directly over the washer. Carefully align the tool so that one of the open channels is positioned above the recessed hole at 6 o’clock (see Fig.
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Micra ADJ Second Stage Service & Repair Manual the head of the pin is seated completely inside the recessed Indexed Feature opening of the valve body. Set the tool aside. Indexed Feature NOTE: The valve body and box bottom are both indexed with four flat surfaces where their inlet portions mate.
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Micra ADJ Second Stage Service & Repair Manual 19. Insert the slotted end of the Lever Installation Tool into the open end of the valve body and over the pin, so that it is seated directly over the washer. While holding the box bottom with valve body secure, press the tool inward until the poppet spring is fully compressed, and hold.
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Micra ADJ Second Stage Service & Repair Manual 27. Ensure that the adjustment screw is turned completely counter-clockwise into the retaining sleeve, and fit the cap nut(31) over its end. While holding the adjustment screw secure, thread the cap nut clockwise onto the end of the valve body until flush with the box bottom.
Conshelf SE Service Manual (P/N 7802-08) or the SEA Service Manual (P/N 7802-12) before attempting to perform the adjustment and testing of the Micra ADJ second stage. Thread the male fitting of the LP hose into the preferred low pressure port of the first stage, and apply a torque wrench with n"...
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Micra ADJ Second Stage Service & Repair Manual Turn the second stage adjustment knob completely out counter-clockwise, and set the vane adjustment switch to the "MIN" position (see Fig. 25). Connect the first stage to a filtered air source of 3,000 psi.
Micra ADJ Second Stage Service & Repair Manual NOTE: If leakage persists after performing the above proce- dures, refer to Table 1, Troubleshooting, and disassemble as required to remedy the problem. 11. Turn the valve of the air source completely shut, and purge the second stage to depressurize the system.
Micra ADJ Second Stage Service & Repair Manual Table 1 Troubleshooting Guide Micra ADJ Second-Stage SYMPTOM POSSIBLE CAUSE TREATMENT Leakage or freeflow from 1. High first-stage intermediate pressure. 1. Refer to first-stage Troubleshoot- (should be 140 ±5 psi) second stage ing Guide.
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Micra ADJ Second Stage Service & Repair Manual Table 2 Recommended Tool List PART NO. DESCRIPTION APPLICATION 7803-00 Aqua-Lung Service Manual All Aqua-Lung regulators 1116-00 I.P. test gauge Intermediate pressure testing 0-120 inch-lbs torque wrench Small fittings 9440-22 O-ring tools O-ring removal &...
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Micra ADJ Second Stage Service & Repair Manual Table 4 Torque Specifications PART NUMBER DESCRIPTION / KEY NUMBER TORQUE 1005-35 LP Hose Female Fitting / 8 40 (±3) inch-lbs 1001-36 Hex Nut / 13 50 (±5) inch-lbs 1008-41 Cap Nut / 31...
Micra ADJ Second Stage Service & Repair Manual Procedure A Cleaning & Lubrication (All Aqua Lung Regulators) ™ 1. Acid Bath - Aqua Lung strongly recommends ChromeSafe regulator cleaner (P/N 0201-05) for clean- ™ ing all reusable brass and stainless steel parts. ChromeSafe...
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Micra ADJ Second Stage Service & Repair Manual Table A Recommended Lubricants & Cleaners (All Aqua Lung Regulators) LUBRICANT / CLEANER APPLICATION SOURCE Christo-Lube ® All O-rings seals; cylinder valve threads Lubrication Technologies (preferred for high pressure DIN systems) 310 Morton Street...
Micra ADJ Second Stage Service & Repair Manual Second Stage Schematic * NOTE: The Lever Retaining Sleeve (P/N 1008-44) has undergone a change revision. Be sure to correctly identify the part before reinstalling, and replace with new if found to be a Revision A part.
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