Install Piston Hand Pump Series in 23 steps.
WARNING: Relieve pump pressure and disconnect power before starting
Directions to Install Piston Hand Pump Series Full Rebuild Kit
Disassembling Pump Cover
- Remove hitch pins
- Remove clevis pins and remove handle
- Remove bearing nut
- Flip pump over, use a socket wrench to loosen 8 fasteners
- Remove pump cover and gasket
- Push piston to remove from pump body
- Remove white packing from shaft opening
- Remove inlet screen with small tool
Disassembling Piston Assembly
- Remove (2) large piston rings
- Remove (2) large o-rings
- Remove (4) valve assemblies
Replacing Piston Assembly
- Install (4) new valve assemblies
- Install (2) large o-rings
- Install (2) large piston rings
- Install inlet screen, push it down until it sits on the ledge in inlet
- Install cover gasket, ensure it is properly seated
- Ensure arrows on piston assembly are facing down during reassembly
- Push piston assembly back into pump body
- Use socket wrench to tighten (8) fasteners to 45 in-lb
- Push packing down into threaded chamber
- Thread bearing nut into threaded chamber, use a wrench to secure
- Replace vacuum breaker
Reattaching Handle Assembly
- Align handle with guide arms and secure with pins