Oil level should be ^ full on glass. Unit is pre-filled with oil. 3. DO NOT EXCEED 1000 PSI OPERATING PRESSURE. The pressure is adjustable by using a 7/8” hex socket located next to the pressure gauge. 4. Mount on a level surface, such as a concrete pad. 5. After inlet filter is installed, flush lines before installing inlet hose to lock hose barb. No hose clamps are required. Push hose up to the yellow washer. 6. Install %” high pressure hose to %” NPT pipe on pump. 7. Flush lines before i