Sherwood Scuba Scuba MAXIMUS SRB3600 regulator, Assembly & Maintenance Manual

Page 1: ...Assembly Maintenance Guide SRB3600 REGULATORS...

Page 2: ...oke Nut 10 2 3801 4 Yoke 11 1 3105 6 L P Port Plugs 12 G011B O ring for L P Port Plugs 13 3106 6 One Way Bleed Valve 14 J07 S1024 08DB Locking Allen Screw 15 2 3601 1A Main Body 16 G904A O ring for H...

Page 3: ...r Second Stage Servicing 13 6 2 Disassembly of Second Stage 13 6 3 Assembly of Second Stage 15 6 4 Set Up of Second Stage 17 6 5 Testing of Second Stage 18 7 0 Helpful Hints 20 7 1 Troubleshooting Reg...

Page 4: ...unique features found in Sherwood regulators Sherwood conducts seminars on a regular basis throughout North America to train technicians in proper service and repair procedures for all current Sherwo...

Page 5: ...ed U S Pat 4 226 257 WEIGHT 1 lb 11 oz 8kg INTERSTAGE PRESSURE 120 150 psi 8 3 10 Bar MAXIMUM INLET PRESSURE 232 Bar for SRB3600CE Model POSITIVE AIR PURGE FLOW RATE 13 25 cc minute LOW PRESSURE PORTS...

Page 6: ...3 0 O RINGS REFERENCE CHART 3...

Page 7: ...table demand valve in the second stage allows the diver to custom tailor the regulator to the diving conditions and interstage pressure The knob can be backed off for extended storage periods of longe...

Page 8: ...ylinder p n TL110 Sherwood Piston Seat Removal Tool p n TL112 Sherwood Plastic Probe p n TL111 to push out orifice Sherwood Regulator Support Handle p n TL113 Sherwood Intermediate Pressure Gauge p n...

Page 9: ...ndwheel 3 Remove the dust cap 4 Install a Sherwood regulator support handle p n 4700 15 into one of the low pressure ports Use the support handle and a 15 adjustable wrench or bench vise to loosen the...

Page 10: ...the adjusting ring see Photo 4 10 Remove the piston and spring from the cap 11 Remove the piston O rings and discard them Take care not to scratch the O ring grooves in the piston Remove the piston se...

Page 11: ...irmly over the seat until it is fully installed The piston is now rebuilt and ready for installation 14 Use a pocket screwdriver to remove the star washer that holds the filter in place Most units use...

Page 12: ...service kit are non moving gaskets with little or no pressure across them The clean environment created by the Positive Air Purge System Dry Air Bleed makes this re use possible Clean the O rings car...

Page 13: ...ack O ring is closest to the wide end of the moving orifice Use the green O ring installation cone p n 38 TL107 to install the O ring into the groove closest to the pointed tip of the orifice 5 Using...

Page 14: ...Bulletin 104 for overhaul and installation instructions of the DIN adapter 5 4 TESTING Of FIRST STAGE 5 4 1 Before You Begin Testing 1 Install an intermediate pressure test gauge p n TL119 into one of...

Page 15: ...ing the air on slowly It should stop at about 120 psig 8 3 Bar when the pressure adjusting ring is screwed all the way in 4 If the pressure gauge continues to rise above 140 psig 9 7 Bar turn the air...

Page 16: ...ehind where the old tie tightened This is a prime area for small holes to develop If the mouthpiece is in good condition it can be reused 2 Remove the two cover retaining screws using a size 0 square...

Page 17: ...using with a 3 4 wrench use a 5 8 wrench to remove the retainer nut from the orifice housing 11 Remove the swivel fitting from the orifice housing Inspect the inner sealing surfaces for scratches 12 W...

Page 18: ...while inspecting you are applying too much force 22 Inspect the orifice for any nicks scratches or corrosion Polish out any corrosion or minor scratches using a fine grit rubberized polishing stick or...

Page 19: ...the diaphragm retaining ring You will see a long tab and a short tab on the ring The short tab lines up with the short notch in the case when the ring is installed a If the diaphragm is blue the reta...

Page 20: ...ments releasing the lever between turns to check for snugness and leaks b If the lever is snug against the lever support but air is hissing depress the lever and turn the adjusting nut counter clockwi...

Page 21: ...clockwise adjusting when the lever becomes loose against the lever support 4 You can decrease the inhalation effort by turning the adjusting nut clockwise Discontinue clockwise adjusting when air begi...

Page 22: ...n watch for any leaks in the first or second stage except for the normal flow of air from the one way bleed valve on the first stage Look particularly closely at the first stage area where the adjusti...

Page 23: ...w 150 psig b Damaged or worn HP piston seat Replace seat p n 3801 5 This also gives high intermediate pressure c Damaged or worn HP poppet stem seat Replace seat p n 978 9BN d Nicked or corroded orifi...

Page 24: ...ccessfully Here are a few general suggestions we can make 1 Don t expect your cleaning solution to do all the work in a matter of seconds If the solution cleans extremely rapidly it is probably too st...

Page 25: ...minutes approx cleaning time 1000 cc Water Fast acting solution that should be 60 gr Sulfuric Acid made and used with care Use 60 gr Potassium Dichromate gloves and safety glasses Cleaning solutions U...

Page 26: ...of the first stage body 2 With the dust cap securely in place rinse the first and second stages in clean fresh water DO NOT depress the purge button before or during rinsing since this may introduce...

Page 27: ...out the Sherwood Warranty Replacement Parts Form You must describe the problem with the part you are returning in Part Five of the form If this area is blank you will not receive credit for that part...

Page 28: ...phragm 19 3602 17 Retaining Ring Blue 20 J12C04045B Front Cover Retaining Screw SECOND STAGE MAXIMUS SRB3602 ITEM CATALOG DESCRIPTION 21 3602 2 Front Cover 22 3602 5APK Logo Insert Pink 3602 5ARD Logo...

Page 29: ...dom are trademarks of Sherwood Taylor Wharton Gas Equipment Division of Harsco Corp All other names are trademarks of their respective owners ALL PRODUCTS SUBJECT TO CHANGE WITHOUT NOTICE 6204 Goodric...