Uwatec A700 Maintenance Manual Download Page 2

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A700 Step-by-step maintenance procedures.

To properly service the A700 second stage, the following or suitable alternatives are required.

SCUBAPRO universal tool P/N 43.040.000. Purchase direct from SCUBAPRO.

Pneumatic adjusting tool. Recommend source:

www.scubatools.com

TORX® 10 Driver. Recommended source: Your favorite hardware store.

TORX® 10 Plus Torque. Recommended source:

www.wihatools.com

Brass o-ring pick set. Recommended source:

www.scubatools.com

Flat blade screw driver.

“Fixed”

nut.

Do not

remove/service.

Disassembly begins on following page

Included in kit

STOP!

Do not remove the

finishing-nut, item 38.

Item

38 is factory fixed to the case,
(item 7), as a sub assembly.

Caution:

Items 16, 20 & 39

need not be removed during
routine annual services. Dully
inspect these components for
damage, leaving them in

place.

Replace as needed.

Item 10 are now one piece and black in color

Summary of Contents for A700

Page 1: ...0 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 ...

Page 2: ...ended source Your favorite hardware store x TORX 10 Plus Torque Recommended source www wihatools com x Brass o ring pick set Recommended source www scubatools com x Flat blade screw driver STOP Do not remove the finishing nut item 38 Item 38 is factory fixed to the case item 7 as a sub assembly Caution Items 16 20 39 need not be removed during routine annual services Dully inspect these components...

Page 3: ...em Remove the o rings as new ones are supplied in the annual service kit 9 Then slide your finger or thumb to provide support and pry via light leverage 4 Separate the purge cover and ring Inspect the integrity of the purge and ring The metal stainless steel S insignia is not removable 10 Pull the complete dive switch assembly free from the 2nd stage case and remove the 2 o rings using a brass pic...

Page 4: ...just adj screw into the adjustment shaft This will give you more area to grab and assist with the removal of the 126 o ring Remove its o ring with a brass pick 13 Pull the knob free from the adjustment shaft 19 Push the poppet assembly free using a blunt small diameter tool like a 3 32 ball end Allen driver 14 Push on the adjustment shaft end to separate it from the dive switch 20 Driver of choice...

Page 5: ...ully engage function 7 into the back slots of the adjustable orifice Unscrew counterclockwise until threads have disengaged approx 4 rotations 28 Expel the adjustable orifice with care by pushing slowly from the knob side of the inlet tube Your tool of choice must clear the lever tabs and orifice knife edge 29 Remove o ring with soft brass pick 30 Now thoroughly inspect the knife edge surface usin...

Page 6: ...free Exhaust valve need not be removed Inspect the exhaust valve for any signs of damage or imperfections Note Inspect for insect rodent damage 33 Look from the side to be sure the exhaust valve is laying flat and maintaining a good seal to the case 34 Remove the mouth piece by releasing the specialized clamp locking device See next image for more detail 35 To release the clamp lock position your ...

Page 7: ...y vibrations beyond the range of human hearing within certain liquid solvents Forceful bubble impulsions bombard virtually every surface of any material submerged in the liquid this cavitation literally blasts the contaminants off the parts producing a state of microscopic cleanliness http www gmcscuba com Isolate any delicate parts like the orifice to protect them from damage during the cleaning ...

Page 8: ...it Push lubricated o rings into the grooves 9 Pull the second o ring onto the stem and use your nail to pull passed the first and into the inside groove Apply a bead of quality lubricant between the o rings 10 Utilizing a clean hard flat surface firmly press the poppet onto the LP seat uniformly Note It may be helpful to heat the exhaust T warming a bowl of hot water in the micro wave or using a h...

Page 9: ...ad the 126 o ring onto the end with the nipple 13 Pre assemble the poppet spring and balance chamber Orient the pair of poppet shoulders down in relation to the lever up and insert into the case inlet tube Once the 126 o ring is in place unscrew the micro adjust and proceed Continued The objective is to engage the poppet assembly with the lever tabs Apply pressure with your index finger and the le...

Page 10: ...micro adjust as pictured below That is bottom out counterclockwise and then advance clockwise exactly 2 full rotations leaving a 1 mm step Continued Repeat and slide the second o ring into the next groove See cut a way 23 Push the adjustment shaft sub assembly into the dive switch 20 Screw the adjustment shaft into the metal sleeve 24 Push until it bottoms out 21 It is helpful to temporarily use t...

Page 11: ... Continued Lowering the lever approximately a inch ensures no interference when installing the inhalation diaphragm resulting in a watertight seal Tap the lever While holding pressure engage the adjustment knob and turn counterclockwise The gap will close If the disc was removed from the diaphragm return 26 The C clip retainer land is now accessible Orient the retainer clip wave top inward and sna...

Page 12: ...the 6 o clock position press the cover into place orienting the bottom of the S logo towards the tab 38 Using Torque driver tighten the screw to the recommended 6 2 inch pounds 0 7 Newton meters See tool list on page 2 of this manual 33 Place the two piece assembly orienting the ring tab into case notch located at the 6 o clock position 34 Align one cover hole with an o ring A neoprene surface is ...

Page 13: ...ond stage is sure to leak when in use underwater x Make any necessary adjustments via the micro adjust flat blade screw driver by increasing or decreasing the spring counter force Re check the adjustable orifice position to satisfaction no lever rattle should be present x Pull back on the in line adjustment spool to disengage prior to attempting removal of same x It is good practice to use water t...

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Uwatec A700, Maintenance Manual

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