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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