The Gorman‑Rup Pump GRP33-07J

Ensure all necessary tools and materials are available

Apply water-resistant grease to the lip seal, O-ring, and plunger rod before reassembly

Add water-resistant grease through the grease fitting weekly

Is the valve sticking or operating erratically?

If valve is sticking or operating erratically

Apply a liberal amount of water-resistant grease to the plunger rod using a small brush

Apply lubricant through the spring to the visible part of the shaft while the valve is in both open and closed positions

Review all SAFETY information in Section A.

Familiarize yourself with the manual.

Is the power source disconnected or locked out?

Has the pump completely cooled if overheated?

Are the suction and discharge valves closed?

Is the pump vented slowly and cautiously?

Clean Pressure Relief Valve if equipped?

Inspect, Clean, Adjust, Repair or Replace as Necessary

Inspect, Clean, Adjust, Repair or Replace as Necessary

Inspect, Clean, Adjust, Repair or Replace as Necessary

Inspect, Clean, Adjust, Repair or Replace as Necessary