ECHO provides this Operator's Manual which must be read and understood for proper and safe operation. 99922202237 03/92 STANDARD EQUIPMENT © Oil plug (2) Pressure adjusting knob (3) ON/OFF switch (4) High pressure hose connection (OUTLET) (5) Inlet hose connection with water filter (INLET) (6) Chemical filter (7) Chemical regulator (CHEM) 2 Pressure indicator Oil level indicator Automatic gun High pressure hose “QUICK-LANCE” “ROTOX” (or “MULTIREG”) IMPORTANT SAFETY INSTRUCTIONS Th