User's Manual
3. By hand or with the assistance of a strap wrench, unscrew the OPR Top Housing Ring from the OPR Main
Body Housing. (SEE PIC B)
4. Place nger inside OPR Piston, and lift to remove.(SEE PIC C)
5. Carefully remove OPR Piston Washers from inside OPR Main Body Housing by turning it upside down on a
at surface. (SEE PIC D)
OPERATING PRESSURE REGULATOR (OPR)
DISASSEMBLY AND MAINTENANCE (CONTINUED)
NOTE
PLEASE NOTE THE PROPER STACKING ORDER AND
DIRECTION OF THE SHIMS FOR CORRECT
REASSEMBLY!
SHIM STACK
B C D
6. Using ‘C-clip’ pliers (not supplied), carefully remove the C-clips from the OPR Bottom housing. Make sure not
to scratch any anodized surfaces. (SEE PIC E . F)
7. Using the supplied allen wrench key (1/4”), remove the Regulator Adjustment Screw. (SEE PIC G)
OPERATING PRESSURE REGULATOR (OPR)
DISASSEMBLY AND MAINTENANCE (CONTINUED)
GE F
W W W . D A N G E R O U S P O W E R . C O M
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