Uwatec X650 Assembly instructions

©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.
SCUBAPRO
Repair Guide
X650
Second Stage
X650
USE THIS GUIDE AS A REFERENCE WHEN SERVICING THE X650
SECOND STAGE

SCUBAPRO X650 SECOND 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.
2
TOOLSNEEDEDFORREPAIR
OFX650
P/N43040000
TOOLS
NEEDED
Quantity Part Number Description
1 43.650.220 X-650 Lever 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 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/N43040000
TOOLS
NEEDED
No tools needed for this step

SCUBAPRO X650 SECOND 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.
3
Remove hose from the second stage.
Remove the hose o’rings.
This step performed only as needed
With the small Philips screwdriver,
loosen and remove the 2 screws from
the top of the case.
Remove the o’ring.

SCUBAPRO X650 SECOND 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.
4
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Remove the front cover.
Loosen and remove the diaphragm
cover ring, frictionless washer and
diaphragm.
Insert the X-650 tool as shown. Apply
gentle pressure to the poppet and
remove the lever by gently pulling
downward.

SCUBAPRO X650 SECOND 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
Turn the housing upside down as
shown and view the dive switch
assembly through the front cover
opening.
Remove the stop clip using the small
screwdriver or o’ring pick.
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Remove the adjustment assembly and
dive switch from the case.
Remove the two o’rings.
Remove the decal from the adjustment
knob as shown.
Loosen the Philips screw and remove
the o’ring from the adjustment knob.

SCUBAPRO X650 SECOND 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.
6
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Push the adjustment components out
of the dive switch as shown.
Remove the o’ring.
P/N43040000
TOOLS
NEEDED
No tools needed
this step
To remove the knob stem, use the
knob.
Hold the sleeve and screw the knob
clockwise.
Remove the o’ring.
Use the small screwdriver to thread the
adjustment screw clockwise. Carefully
remove the screw.
Remove the o’ring as shown.

SCUBAPRO X650 SECOND 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.
7
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Remove the balance chamber, spring,
and poppet as shown.
Remove the jam nut using the
universal tool.
Remove the o’ring.
Remove the air barrel from the case as
shown
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Remove the o’rings and seat from the
poppet body. These are replaced with
new components.
Remove the adjustable orifice and
push it out carefully as shown.
Remove the o’ring from the adjustable
orifice and from the air barrel.

SCUBAPRO X650 SECOND 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.
8
This Step Is Only Performed As Needed
To remove the exhaust valve cover,
use the small screwdriver to push the
stainless pin away.
NOTE: The exhaust valve will seldom
need to be replaced. Careful
inspection is usually all that is
necessary. If the valve is removed
during service, it may be damaged
during the process, requiring
replacement.
This Step Is Only Performed As Needed
To replace the exhaust valve cover,
use the small screwdriver to push the
stainless pin back into place.
NOTE: The exhaust valve will seldom
need to be replaced. Careful
inspection is usually all that is
necessary. If the valve is removed
during service, it may be damaged
during the process, requiring
replacement.
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Perform this step only if needed
Inspect and replace the mouthpiece if
needed.

SCUBAPRO X650 SECOND 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.
9
Lubricate and place the o’ring on the
adjustable orifice. Lightly lubricate the
threads.
Use the Universal Tool to thread in the
adjustable orifice 3 or 4 turns.
Place the o’ring onto the air barrel.
NOTE: Lubrication of the air barrel
o’ring is not necessary.
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Insert the air barrel into the case as
shown, being certain that the aspirator
holes are facing the mouthpiece
opening.
Push firmly into position.
Lightly lubricate the air barrel threads
before fitting the o’ring into place.
Thread the jam nut onto the air barrel
threads and tighten with Universal
Tool.
Fit the second o’ring next to the jam nut
as shown.

SCUBAPRO X650 SECOND 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.
10
Monoject
Prepare the poppet by replacing the
seat and replacing the dynamic o’rings.
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Hold the poppet shaft and guide the
poppet “wings” into the grooves of the
air barrel by positioning the lever tab
toward the mouthpiece tube.
CAUTION: If the poppet is not installed
properly it will not move freely inside
the air barrel.
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Install the spring and the balance
chamber as shown.

SCUBAPRO X650 SECOND 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.
11
Monoject
Install the o’ring on the fine adjustment
screw and the knob stem as shown.
NOTE: Do not lubricate the inner
thread or o’ring.
Thread the fine adjustment screw into
the knob stem. Turn counterclockwise
using the 3mm jeweler’s screwdriver
until the fine adjustment screw is flush
with the bottom of the knob stem.
Slide the external knob on the stem
and turn counterclockwise to “pull” the
mechanism into the knob assembly.
Monoject
Inspect and lubricate the sleeve o’ring.
Lightly lubricate the knob stem threads.
Thread the knob stem into the sleeve.
Use the adjustment knob to turn the
knob stem counterclockwise until it is
snug against the top of the sleeve.

SCUBAPRO X650 SECOND 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.
12
Monoject
Inspect, lubricate and install the o’rings
on the dive switch.
Install the adjustment assembly into the
dive switch as shown.
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Install the dive switch into the housing
as shown.
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Properly installed the dive switch lever
fits into a groove on the casing.
If the top cover has been removed
(only done as required) the sleeve tabs
can be seen engaged with the air
barrel slots.

SCUBAPRO X650 SECOND 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.
13
P/N43040000
TOOLS
NEEDED
No tools needed
this step
The stop clip groove should be now
visible when case is turned upside
down.
Install the stop clip. The “nipples” on
the stop clip should be aligned with the
round depression in the dive switch.
Use the X-650 tool to install the lever
as shown and engage the poppet.
NOTE: Apply pressure to the poppet to
determine if the poppet moves freely
and is installed properly.
This step performed only as needed
If the case plug was removed, inspect
and lubricate the top case plug o’ring.
Install as shown.
Lubricate the first two or three threads
of the screws and thread into the case
and plug.
CAUTION: Do not over-tighten screws.

SCUBAPRO X650 SECOND 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.
14
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Inspect, clean and install the
diaphragm.
Install the frictionless washer and
cover.
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Install the diaphragm cover by first
engaging the top nipple, then place the
bottom portion.
Gently pull on the cover to ensure it is
installed properly.
Lubricate the hose o’ring and install.
Install the pneumatic adjustment tool
and attach the hose to the tool.

SCUBAPRO X650 SECOND 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.
15
Use the pneumatic adjusting tool to
make the initial air-on adjustments to
the second stage. The 3mm
screwdriver can be used to make
course adjustments on the balance
chamber and to stop free flows.
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.

SCUBAPRO X650 SECOND 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.
16
P/N43040000
TOOLS
NEEDED
No tools needed
this step
Install a new “Dive” decal if
appropriate.
Check the cracking effort of the
regulator.
Inhalation effort range: 1.0 to 1.4
inches of water.