Sherwood SRB5700 - Manual

4.0 FIRST STAGE PROCEDURES 4.1 TOOLS REQUIRED FOR FIRST STAGE SERVICING – Bench vise – 3/32" Allen wrench – 5/32" Allen wrench – 6" or 8" adjustable wrenches – 15" adjustable wrench – Phillips screwdriver – #10 Torx screwdriver – Sherwood 50 cc Graduated Cylinder (p/n TL110) – Sh...

11. Use a pocket screw driver to remove the black washer that was beneath the element assembly. Save this washer as it can usually be reused. Be careful not to scratch the metal surface under the washer. 12. Use a pocket screwdriver to remove the retaining ring or star washer that holds the inletfil...

4.3 ASSEMBLY OF FIRST STAGE 1. The part number for each regulator kit can be found in Sherwood’s Tools, Repair Kit and Accessories – Assembly & Maintenance Guide. The kits contain the parts that are always replaced at every annual service interval. The kit number for the regulators covered in th...

C. Intermediate Pressure Test 1. Attach any Sherwood second stage to one of the low pressure ports, and the Sherwood intermediate pressure gauge (p/n TL119) to another low pressure port. Plug all other ports with appropriate port plugs. 2. Attach the regulator to a tank valve giving a source pressur...

13 5.0 SECOND STAGE PROCEDURES 5.1 TOOLS REQUIRED FOR SECOND STAGE SERVICING – Two good quality 6" or 8" (15 or 20 cm) adjustable wrenches – #10 Torx screwdriver – Side cutting pliers – Sherwood In-line Adjusting Tool (p/n TL102) – Sherwood Plastic Probe (p/n TL111) to push out orifice – She...

corrosion. Corrosion or minor scratches can be polished out using a fine-grit rubberized polishing stick or a clean new pencil eraser. Do not apply heavy pressure when rotating the polishing stick. Stop polishing immediately after the corrosion or scratch disappears. An orificewill not be accepted f...

8. Tighten the screws using a # 10 Torx screw driver just enough to seat them snugly. There is no reason to turn these screws beyond the first contact point. Do not overtighten. This screw isthreading into plastic, which will hold well in service but is easily stripped if overtightened. 9. Install t...

11. Replace the diaphragm. Continue to test the gap between the lever and the diaphragm after each bending until the lever is in the correct position. 12. Return to Section 5.3.4 of this manual to complete assembly of the regulator. 5.5 TESTING OF SECOND STAGE A. Inhalation Effort Check the inhalati...

D. External Air Leaks 1. Attach the regulator first stage to a tank short enough to totally submerge the first and second stage in your filling station cooling water. 2. With the tank valve still turned off, flood the second stage completely with water, and then position it mouthpiece up. 3. Turn th...

6.0 HELPFUL HINTS 6.1 TROUBLESHOOTING REGULATORS POSSIBLE CAUSE RECOMMENDED ACTION A. High Inhalation Effort at Depth: 1. Inlet filter clogged. Replace the filter. 2. No air flowing through the dry air bleed system. Check the flow rate coming out of the one-way bleed valve . If no or low air flow is...

6.2 PARTS CLEANING RECOMMENDATIONS Regulators which see heavy use, particularly those used in salt water, often require extra effort to remove dirt and corrosion from the parts of the regulator. Some suggested cleaning solutions are listed at the end of this section, and there are probably many othe...

mounting the regulator on the tank valve. Slide the hose protectors back to inspect the areas ofthe hose normally covered. Be sure all hose connections are tight. 2. Before turning on the tank air valve, check to make sure that the yoke nut or DIN connection is tight and the regulator body is aligne...

7.0 TWO YEAR WARRANTY AND MAINTENANCE INFORMATION 7.1 PROPER PROCEDURE FOR WARRANTY PAPERWORK 1. For detailed information on the operation of the Sherwood Scuba Two Year Limited Warranty, please refer to Sherwood Scuba Technical Bulletin #112. You can also contact SherwoodCustomer Service if you sti...