User's Manual

3. By hand or with the assistance of a strap wrench, unscrew the Operating Pressure Regulator Body from the
OPR Bottom Housing. (SEE PIC B)
4. Take out Regulator Piston and remove Regulator Spring . (SEE PIC C)
5. Remove all visible debris and dirt with a lightly dampened and clean cotton cloth. Take care not to scratch the
surface of any regulator parts.
6. Lightly apply a small amount of DP-40 lubricant to the tip of a cotton swab. (SEE PIC D)
OPERATING PRESSURE REGULATOR (OPR)
DISASSEMBLY AND MAINTENANCE (CONTINUED)
B C D
OPERATING PRESSURE REGULATOR (OPR)
DISASSEMBLY AND MAINTENANCE (CONTINUED)
E GF
H
7. Apply lubricant to the o-ring located on the base of the OPR Piston. (SEE PIC E)
8. Apply lubricant on the stem of OPR Piston. (SEE PIC F)
9. Apply lubricant to the 2 o-rings located on the OPR Top Housing Ring. (SEE PIC G . H)
Be careful not to apply excess pressure, as doing so may damage sensitive parts and/or strip delicate threads.
NOTE
CAREFULLY INSPECT O-RING PRIOR TO APPLYING LUBRICANT. REPLACE IF O-RING APPEARS
WORN, CRACKED, TORN, OR DAMAGED.
W W W . D A N G E R O U S P O W E R . C O M
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