Dive Gear Express DGX Gears FIRST, First Stage Service Manual, Page: 26 / 32

12. Place the O-ring (B3*) on the DIN Retainer (B2) and the O-ring (B1*) into its groove – Fig. 41. Place
the DIN Knob on the DIN Housing. Screw the DIN Retainer into the DIN Housing – Fig. 42.
Fig. 41 Fig. 42
13. Torque the DIN Retainer to 150 in lbs/170 kgf cm/17 Nm using the 6mm hex – Fig. 43.
Fig. 43
Caution Note: Note that the differences in torque for the DIN Housing and DIN
Retainer are necessary for the two to avoid becoming seized. If the specified torques
are not used, and the assembly does become seized, the entire assembly can loosen
and cause a catastrophic loss of gas.