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SCUBAPRO MK 18 First Stage 

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. 

 

 

5

 

 

 

 

 

 
Remove the swivel assembly. 
 
Remove the Hemispherical Chamber. 

 

 

 

 
 

 

 

 

 

 

7/32” 

 
Use the Field Handle and 7/32” hex 
wrench to disassemble the swivel as 
shown. 

 

 

 

 

Summary of Contents for MK 16

Page 1: ...sted 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 1 SCUBAPRO Repair Guide MK 18 First Stage USE THIS GUIDE AS A REFERENCE WHEN SERVICING THE MK 18 FIRST STAGE ...

Page 2: ... Nut Socket 20 270 100 Peter Built Balance Chamber 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 Universal Tool 1 20 115 100 Peter Built First Stage Handle 2 Torque Wrench with 3 8 drive 100 in lb range and 600 in lb range 1 Hex...

Page 3: ...annual service training program to insure safe handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 3 5 32 Remove hoses from the first stage by using an adjustable wrench or 5 8 open end wrench Remove plugs using a 5 32 hex wrench 6 mm Remove the plastic boot Using a 6 mm hex wrench or the Universal Tool thread out the intermediat...

Page 4: ...safe handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 4 Use the Universal Tool to remove the end cap from the main regulator body The spring and spring pad can now be removed Remove the friction washer and diaphragm carefully Remove the HP module button and pin Remove the pin carefully to ensure it is not lost Remove the sprin...

Page 5: ...ulators 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 5 Remove the swivel assembly Remove the Hemispherical Chamber 7 32 Use the Field Handle and 7 32 hex wrench to disassemble the swivel as shown ...

Page 6: ...RO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 6 Using the Balance Chamber Tool remove the balance chamber by threading out the unit in a counter clockwise direction Turn the unit as shown to prevent loss of the HP seat and spring assembly Remove the spring assembly Remove the HP seat using the brass picks The HP seat will be replaced Use caution to preven...

Page 7: ... 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 7 Remove the Yoke Nut Yoke and Saddle from the regulator body 5 32 For DIN Regulators Remove the Filter retainer filter spring and o ring from the DIN Fitting using a 5 32 hex wrench ...

Page 8: ...sure safe handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 8 6 mm For DIN Regulators Remove the DIN Fitting from the regulator body Christo Lube OXYGEN COMPATIBLE LUBRICANT P N 41 047 000 Using a brass o ring pick remove the star retainer and filter Clean and inspect all regulator parts Replace the conical filter Inspect and l...

Page 9: ...re safe handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 9 1 2 3 4 5 4 3 2 1 Torque Torque the yoke nut to 266 in lbs or 30 Newton meters 6 mm Christo Lube OXYGEN COMPATIBLE LUBRICANT P N 41 047 000 1 2 3 4 5 4 3 2 1 Torque For DIN Regulators Replace the DIN Fitting into the regulator body after inspection and lubrication of t...

Page 10: ... handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 10 5 32 1 2 3 4 5 4 3 2 1 Torque For DIN Regulators Replace the spring filter o ring and filter retainer Torque to 35 in lbs or 4 Newton meters No tools needed for this step Using the balance chamber MK 16 tool insert a new HP seat assembly into the regulator body after lubrica...

Page 11: ...aining program to insure safe handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 11 Assemble the o ring 2 washers in the HP seat retainer Insert the poppet assembly Insert the HP seat retainer and tighten using the MK 16 tool 7 32 1 2 3 4 5 4 3 2 1 Torque Reassemble the swivel retainer to the regulator cap using a 7 32 hex and t...

Page 12: ...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 12 Insert the Hemispherical Chamber Thread in the swivel assembly Insert the pin disc diaphragm diaphragm ring diaphragm disc and spring Be certain that the diaphragm is pressed evenly into place ...

Page 13: ...ervice training program to insure safe handling and servicing of SCUBAPRO products All SCUBAPRO technicians must be employed by an authorized SCUBAPRO facility 13 P N 43040000 TOOLS NEEDED No tools needed for this step Insert the pin disc diaphragm diaphragm ring diaphragm disc and spring Be certain that the diaphragm is pressed evenly into place Thread and tighten the diaphragm holder using the u...

Page 14: ...g screw adjustment cap and tighten flush with the 6 mm hex wrench or with the Universal tool The cap will be adjusted to set the intermediate pressure in a subsequent step Replace the plastic cap It is possible to make intermediate pressure adjustments with the plastic cap in place 6mm Attach the second stage regulator through the pneumatic adjusting tool Do an air on test to determine the interme...

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