Dive Rite RG1200 User manual

Dive Rite
Regulator Service Manual
Warning
•This manual is only to be used as a guide
for trained Regulator technician.
Possession of this guide does not qualify
any individual in the service of Dive Rite
Breathing Systems. Only qualified Dive Rite
Dealers can Service Dive Rite Products.
Improper servicing can lead to serious
injury or death.

2
First Stage Disassembly
•Remove All low-pressure hoses
•Remove high-pressure hoses and remaining
port plugs
•Note location of plugs and hoses
Din Lockdown
Screw
Hand wheel
Inlet Filter
Intermediate pressure
spring
Spring Carrier
Plastic Washer
Thrust washer
Diaphragm
Valve Lifter
High pressure valve
Spring
“O” ring
“O” ring
“O” ring
located inside turret retainer

3
• 1) Screw port tool into
high-pressure port. Take
care not to damage
threads.
• 2) Place port tool with
first stage attached into
vise with the intermediate
pressure spring on the
upright position.
3) Using a 6mm Hex wrench loosen the adjustment screw
enough to lessen the spring tension

4
• 4) Place the Spanner
wrench into the holes of
the Diaphragm cap
• 5) Loosen the cap by
applying a firm steady
pressure on the housing
• Caution: Rapid jerking
can cause the spanner
wrench to slip and damage
the cap
Spanner wrench Diaphragm cap
6) Unscrew the Diaphragm cap and remove the Adjustment
screw from the housing
Adjustment screw
Diaphragm Cap

5
• 7) Remove the
intermediate pressure
spring
• 8) Remove the spring
carrier and the plastic
washer
Intermediate pressure spring
Spring Carrier
Plastic washer
9) Remove the Diaphragm
Diaphragm

6
10) Carefully remove the Valve Lifter
11) Inspect Parts for excessive wear
Valve Lifter
12) Remove the regulator from the vise and invert it so the
6mm hex opening is facing up

7
13) Insert a 6mm Hex wrench and remove the Turret retainer
Turret Retainer
Turret
14 ) Remove the high pressure valve and spring
High pressure valve Spring

8
• 15) Using a pic remove
the 3 “O” rings located in
the module
• Note: Be careful not to
scratch the sealing
surfaces on the module
16) Remove the Thrust washer from the top of the Turret

9
17) Remove the Turret and corresponding large “o” ring
• 18) Using a Pic remove
the exterior “o” ring from
the Din Lockdown screw.
( If the yoke adapter is
attached unscrew the
yoke. This “o” ring is
located in the track
surrounding the High
Pressure Inlet

10
19) Insert a 6mm wrench into the Tank Inlet
Loosen and remove the Din Lockdown Screw
20) Remove the “o” ring from the Din Lockdown
screw
21) Remove the Hand Wheel

11
22) Using a 19mm Socket wrench loosen and remove the Din
Connector and Saddle
Saddle
23) Remove the “o” ring located on the Din connector

12
•24) Carefully remove
the cone shaped filter
and “o” ring from the
interior of the Din
Connector
•Change all the “o”
rings on the port plugs
and all hoses
This completes disassembly of
the Dive Rite RG1200 First Stage