Uwatec S550 Repair Manual Download Page 2

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SCUBAPRO S600-S550 SECOND STAGES



2003 SCUBAPRO

Important note

: The following information is not designed to be a complete training guide for servicing the listed SCUBAPRO regulators. All SCUBAPRO

technicians are required to attend an annual service training program to insure safe handling and servicing of SCUBAPRO products. All SCUBAPRO technicians
must be employed by an authorized SCUBAPRO facility.

TOOLS NEEDED FOR REPAIR

OF S600-S550

P/N

TOOLS
NEEDED

Quantity Part

Number

Description

1 43.300.227

Balance

Chamber Adjusting Tool

1 set

10.102.100

(Peter Built)

Brass o’ring picks

1 tube

41.047.000

Christo-Lube

OXYGEN COMPATIBLE LUBRICANT

P/N 41-047-000

1 47.010.000

Counter

Mat

1 41.496.101

Lubricant

syringe

Monoject

1 43.040.000

(Scubapro)

Universal Tool

Jeweler’s screwdriver (3mm)

Philip’s

Screwdriver

1 11.153.500

(Peter Built)

Ball-end Allen Wrench

1 43.300.225

(Scubapro)

VIVA Flow Vane Removal Tool

1 20.500.200

(Peter Built)

Pneumatic Adjusting tool

1 18.300.500

(Peter Built)

Blow Gun/Air Nozzle

ICON LEGEND

Inspect carefully, replace if needed

Monoject

Lubricate properly

Replace annually

Dynamic o’ring, replace annually and lubricate properly

P/N

TOOLS
NEEDED

No tools needed for this step

Indicates the regulators affected by this

step

Summary of Contents for S550

Page 1: ...cians are required to attend an annual service training program to insure safe handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility SCUBAPRO Repair Guide S600 S550 Second Stages S600 Configuration A S600 Configuration B USE THIS GUIDE AS A REFERENCE WHEN SERVICING THE S600 AND S550 SECOND STAGES S550 ...

Page 2: ...ng Tool 1 set 10 102 100 Peter Built Brass o ring picks 1 tube 41 047 000 Christo Lube Christo Lube OXYGEN COMPATIBLE LUBRICANT P N 41 047 000 1 47 010 000 Counter Mat 1 41 496 101 Lubricant syringe Monoject 1 43 040 000 Scubapro Universal Tool 1 Jeweler s screwdriver 3mm 1 Philip s Screwdriver 1 11 153 500 Peter Built Ball end Allen Wrench 1 43 300 225 Scubapro VIVA Flow Vane Removal Tool 1 20 50...

Page 3: ... must be employed by an authorized SCUBAPRO facility 3 Remove hose and jam nut from the second stage Configuration A regulators housing pin can be removed by using the pointed pick to push from the inside out This helps prevent case scratching Otherwise remove the housing pin using the rounded pick or similar tool Use the universal tool as shown to remove the two piece second stage cover of the S6...

Page 4: ...rogram to insure safe handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 4 P N 43040000 TOOLS NEEDED No tools needed this step Remove the two piece cover friction washers and diaphragm from the second stage housing Remove the stop clip from the knob Configuration B Turn the cracking effort adjustment knob inward a few turns for ...

Page 5: ...down the lever and remove the air barrel from the case P N 43040000 TOOLS NEEDED No tools needed this step Hold down the lever and remove the air barrel from the case P N 43040000 TOOLS NEEDED No tools needed this step Hold down the lever and remove the plug from the end of the air barrel Then remove the air barrel itself from the case CAUTION Remove the plug first to avoid scratching the sealing ...

Page 6: ...SCUBAPRO facility 6 Remove the cracking effort adjustment knob from the air barrel Remove the decal from the cracking effort adjustment knob This will allow access to the balance and anti set mechanisms P N 43040000 TOOLS NEEDED No tools needed this step Remove the plug from the air barrel Remove the poppet balance chamber and spring from the air barrel Remove all o rings and poppet seat Using the...

Page 7: ...cians must be employed by an authorized SCUBAPRO facility 7 P N 43040000 TOOLS NEEDED No tools needed this step Turn the breathing effort adjustment knob clockwise until it is no longer in contact with the balance adjustment mechanism Remove the breathing effort adjustment knob Using 3mm jeweler s screwdriver turn the balance adjustment mechanism clockwise and remove Turn the 3mm jeweler s screwdr...

Page 8: ...PRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 8 P N 43040000 TOOLS NEEDED No tools needed this step Remove the balance chamber and disassemble Use caution to avoid losing o rings spring and spring pad P N 43040000 TOOLS NEEDED No tools needed this step Carefully remove the poppet The poppet o ring and seat will be replaced It is usually not necessary to ...

Page 9: ...eeded this step Remove the adjustable orifice Take off the adjustable orifice o ring as it will be replaced Remove the air barrel o ring for inspection A wooden dowel or chopstick may be helpful in removing the orifice This Step Is Only Performed As Needed When it is necessary to remove the VIVA flow vane use the flow vane removal tool p n 43 300 225 This step is seldom needed unless the VIVA flow...

Page 10: ...ing with the crescent shaped notch facing forward toward the back of the diaphragm for maximum VIVA Minimal VIVA Place the new knob and vane assembly back into the housing with the crescent shaped notch facing forward toward the mouthpiece opening for minimal VIVA ie for rental equipment Push the vane inward until it is locked in place This Step Is Only Performed As Needed If removal of the exhaus...

Page 11: ...xhaust valve is removed carefully inspect and replace if necessary Replace the exhaust tee center section and use the ball end allen wrench to replace the exhaust tee pin Monoject Turn the 3mm jeweler s screwdriver counterclockwise to assemble the balance adjustment mechanism Inspect and lubricate all o rings Monoject Thread the balance adjustment mechanism into the breathing adjustment knob assem...

Page 12: ...nicians must be employed by an authorized SCUBAPRO facility 12 Replace the adjustable orifice o ring and lubricate properly Inspect the air barrel o ring and replace if necessary Lubricate properly Push the adjustable orifice in and then use the universal tool to turn in the adjustable orifice one turn Monoject Inspect and lubricate the air barrel o ring Monoject Prepare the poppet by replacing th...

Page 13: ...ings and replace where needed P N 43040000 TOOLS NEEDED No tools needed this step Assemble the two piece balance chamber as shown and insert it into the cracking effort adjustment knob Do not install the anti set chamber into the end of the assembly at this time The balance chamber adjustment tool should be installed in preparation for final adjustments NOTE The spring pad can be installed on the ...

Page 14: ... o rings Attach jam nut and o rings as shown Tighten with universal tool P N 43040000 TOOLS NEEDED No tools needed this step Install the poppet so that the feet are engaged with the demand lever Insert the spring then the balance chamber P N 43040000 TOOLS NEEDED No tools needed this step Replace the seat on the poppet and replace and lubricate the poppet stem o ring Install the poppet so that the...

Page 15: ...on the air barrel next to the jam nut if needed Thread the cracking effort adjustment knob inward until there is enough clearance to install the stop clip Press the stop clip carefully into place Back the adjustment knob out against the clip ensuring that it stops P N 4304000 0 TOOLS NEEDED No tools needed this step Insert the breathing adjustment assembly without the external knob onto the air ba...

Page 16: ... the plug out against the clip ensuring that it stops P N 43040000 TOOLS NEEDED No tools needed this step Inspect the diaphragm for wear and replace if necessary Install the diaphragm and friction washer being certain that the two pieces lay flat inside the second stage housing Note that the friction washer uses an alignment tab to prevent movement once installed Put the two piece cover together a...

Page 17: ...djustments to the second stage The 3mm screwdriver can be used to make course adjustments on the balance chamber and to stop free flows Use the pneumatic adjusting tool to make the initial air on adjustments to the second stage and to stop all free flowing The balance chamber tool will be used to fine tune the breathing effort see the next step Use the pneumatic adjusting tool to make the initial ...

Page 18: ...APRO facility 18 Adjusting the balance chamber counter clockwise reduces cracking effort Adjusting the balance chamber clockwise increases cracking effort Inspect and lubricate the external adjustment knob o ring Re install external breathing adjustment knob and tighten using the Philips screwdriver Make any additional adjustments using the pneumatic adjusting tool Re install the anti set chamber ...

Page 19: ...tend an annual service training program to insure safe handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 19 P N 43040000 TOOLS NEEDED No tools needed this step Install a new Dive decal if appropriate Check the cracking effort of the regulator S600 Inhalation effort range 1 0 to 1 4 inches of water S550 Inhalation effort range 1...

Page 20: ...Click below to find more Mipaper at www lcis com tw Mipaper at www lcis com tw ...

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Uwatec S550, Repair Manual

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