Installtion Guide
Step 1. After disassemble the pump head, Remove the fan mounting bolt and pull the fan off
- Remove the piston and old sleeve.
Step 2. Install the new compression ring
- Place the new compression ring on the top of the piston. Reinstall the piston cap and Torx screw.
Step 3. Insert the piston rod into the sleeve.
- Slide the piston into the new cylinder sleeve. Insert the piston and cylinder sleeve into the pump body.
Step 4. Reinstall the piston and the fan
- Push the piston connecting rod onto the eccentric bearing. Align the piston connecting rod flush with the eccentric bearing.
- Tighten the piston connecting rod Torx screw to 48 inch-pounds using a torque wrench
Step 5. Replace the both new valve plate seals on the valve plate assembly, then cover to the piston back.
- Install the new upper valve plate seal. Install the new lower valve plate seal.
Step 6.Reinstall the pump head mounting bolts.
- Position the pump head over the new valve plate with the muffler side of the pump head over the reed valves on the valve plate.