Neptune HP PROTECTUS III, Installation And Maintenance Manual

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Do not mix up the low side and the high side registers. Doing so can cause an inaccurate
meter reading. The register on the low side says T-10 on the dial face. The register on the
high side says either HP PIII or HPT P3”.
High Side - HP Turbine
To perform maintenance on the HP Turbine, complete the following steps.
1. Remove the bolts from the top plate of the HP Turbine.
Figure 24 – Removing the Bolts from the HP Turbine Top Plate
To prevent the epoxy coat from chipping when installing bolts, place a washer on top of
and under the bolt holes.
2. Break the register seal pin and remove the register from the top plate of the turbine. Take
a small screwdriver and drive it into the seal pin.
Figure 25 – Removing the Register from the HP Turbine
HP PROTECTUS ® III Installation and Maintenance Guide 23
Chapter 4: Maintenance and Troubleshooting