Instruction/ maintenance manual of the product SRB3200 Sherwood
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® REGUL A T ORS (SRB3 3 00) (SRB3400) (SRB3500) ® ® ® As sembly & Maintenanc e Guide Includes (SRB3200) ®.
FIRS T S T AGE - MAGNUM®II SRB3 300, BLIZZARD® SRB3200, OASIS® SRB3400 NOTE: The Oasis ® + SRB3500 uses the SRB3601 externally adjustable first stage. The parts breakdown and servicing of the SRB3601 is cover ed in the Oasis2/Blizzar d Assembly & Maintenance Guide .
T ABLE OF CONTENTS Page 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 2.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2.1 SRB3300 (Magnum II, SRB3400 (Oasis) and SRB3500 (Oasis+) .
1 1.0 INTRODUCTION 1. The procedur es in this manual apply to the Sherwood Scuba MAGNUM II (SRB3300), OASIS (SRB3400), and OASIS+ (SRB3500). The most current part numbers can be obtained by calling your Sherwood Sales Representative or Sherwood Scuba Customer Service.
6. Companion instructional VHS videotapes to this and other Sherwood Scuba repair manuals ar e available from Sherwood Scuba at a nominal cost. Ask your Sherwood Scuba Sales Representative for details. 7. If you have any questions, or need more information, contact your Sherwood Scuba Sales Representative or Sherwood Distributor .
2.0 SPECIFICA TIONS 2.1 SPECIFICA TIONS FOR THE SRB33 00 MAGNUM® II, SRB3400 & SRB3500 OA SIS® REGULA TOR MODELS: Sherwood Magnum II SRB3300, Oasis SRB3400 & SRB3500 AIR FLOW: 28-29 cu. ft. (793-821liters)/min. @ 1 atmosphere INHALA TION RESIST ANCE: 1.
3.0 O-RINGS REFERENCE CHART 1. Before you begin disassembly of the r egulator , test the first and second stages for output pressur es and leakage. Pre-testing in this way will help the technician to pinpoint any specific problems r equiring repair . 2.
4 . 0 FIRS T S T AGE PROCEDURE S 4 .1 T OOLS REQUIRED FOR FIRS T S T AGE SERVICING – Bench vise – 3/32" Allen wrench – 5/32" Allen wrench – 6" or 8" adjustable wrenches –.
4. Use a 5/32 ” Allen wrench, and a small adjustable wr ench to remove all port plugs and hoses from the body . 5. Install a Sherwood regulator support handle (p/n TL113) into one of the low-pr essure ports. Use the support handle and a 15 ” adjustable wrench or bench vise to loosen the yoke nut from the body .
a. Keep greasy fingertips away fr om the flow element during servicing. b. Use a clean, dry cloth to wipe the piston surface if it needs cleaning. c. Do not put the piston in a cleaning solution or ultrasonic cleaner . If there is any oil on the surface, it will coat the piston.
The sealing surface on the body where the one-way valve seals must be totally clean of deposits. If any deposits remain on the sealing surface after initial cleaning, take a fine abrasive polishing stick or a pencil with a new eraser and polish the surface to remove deposits (see Photo #3).
4 . 3 ASSEMBL Y OF FIRS T S T AGE 1. The part number for each regulator kit can be found in Sherwood ’ s T ools, Repair Kit and Accessories - Assembly & Maintenance Guide . The kits contain the minimumparts that must be replaced at every annual service interval.
13. Install the handwheel and the dust cap onto the yoke. 14. If the first stage has a SAA-5300 DIN adapter installed instead of a standard yoke, see the installation instructions given in Sherwood T echnical Bulletin #104 for overhaul and installation instructions of the DIN adapter .
C. Intermediate Pres sur e T est 1. Attach any Sherwood second stage to one of the low pr essure ports, and the Sherwood intermediate pressur e gauge (p/n TL119) to another low pressure port.
5.0 SECOND S T AGE PROCEDURE S 5.1 T OOLS REQUIRED FOR SECOND S TAGE SERVICING – T wo good quality 6" or 8" (15 or 20 cm) adjustable wrenches – #10 T orx screwdriver – Small Phillips A.
13 a. Place the cover assembly with the pur ge button logo face down on a clean flat surface. b. From the inside of the cover assembly , push the four barbed tabs holding the pur ge button assembly in place in towards each other . This will release the purge button assembly from the cover .
13. If parts of the lever assembly (stem, spring, lever , etc.) need to be replaced, take apart the assembly with the Sherwood stem socket tool (p/n TL124) Clamp the stem socket tool in a bench vice. Insert the square head of the poppet stem into the tool.
5. Screw the orifice housing onto the thr eads of the lever assembly . With a 13/16 ” wrench on the orifice housing and a Sherwood modified 3/4 ” deep socket (clamped in a vise) on the hex of the lever support inside the case, tighten the orifice housing and the lever assembly together snugly (70 in.
4. T ur n on the air . Use the in-line adjusting tool to tur n the adjusting orifice counter -clockwise until you hear a slight hissing. Then turn the adjusting orifice clockwise just enough to stop the hissing.
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. Retur n to Section 5.3.4 of this manual to complete assembly of the regulator . 5.5 TES TING OF SECOND ST AGE A .
D. External Air Leaks 1 Attach the regulator first stage to a tank short enough to totally submer ge 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.
6.0 HELPFUL HINTS 6.1 TROUBLESHOOTING REGUL A TORS 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 .
C. Wet Br eathing: 1. Improper clearing, or diver diving in total Instruct the diver on proper clearing head-down position. technique. 2. Diaphragm improperly installed. Check position of diaphragm visually . 3. Hole in the mouthpiece at tie area. Replace the mouthpiece.
6. 2 PARTS CLEANING RECOMMENDA TIONS Regulators which see heavy use, particularly those used in salt water , often requir e extra effort to remove dirt and corr osion from the parts of the regulator . Some suggested cleaning solutions are listed at the end of this section, and ther e are probably many others being used successfully .
6.4 HANDLING TIPS How your customers treat their r egulators will directly influence the unit ’ s function and durability . Following ar e a few tips that you can pass on to your customers to help assure the durability of their Sherwood Scuba regulator .
7 .0 TWO YEAR WARRANTY AND MAINTENANCE INFORMA TION 7 .1 PROPER PROCEDURE FOR WARRANTY PAPERWORK 1. For detailed information on the operation of Sherwood Scuba T wo Y ear Limited Warranty , please refer to Sherwood Scuba T echnical Bulletin # 112. Y ou can also contact your Sherwood Distributor if you still have questions about the warranty .
ITEM # CA T ALOG # DESCRIPTION 1 ...................................3207-2 ..........................Label 2 ...............................3004-1 ............................Purge Button (no label insert) 3 ..........................19-4006-12 ......
Printed in the U.S.A on recycled paper Sherwood Scuba, the SS symbol, Oasis, Blizzard, Magnum, Brut and Wisdom are trademarks of Sherwood, Harsco Corporation Gas and Fluid Control Gr oup. All other names are trademarks of their respective owners. ALL PRODUCTS SUBJECT TO CHANGE WITHOUT NOTICE.
An important point after buying a device Sherwood SRB3200 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sherwood SRB3200 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sherwood SRB3200 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sherwood SRB3200 you will learn all the available features of the product, as well as information on its operation. The information that you get Sherwood SRB3200 will certainly help you make a decision on the purchase.
If you already are a holder of Sherwood SRB3200, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sherwood SRB3200.
However, one of the most important roles played by the user manual is to help in solving problems with Sherwood SRB3200. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sherwood SRB3200 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
