Vilter Model 2101 PM Schedule
This procedure outlines preventive maintenance tasks triggered by accumulated run hours to ensure consistent compressor performance and longevity. It includes regular checks such as oil level inspections, filter changes, vibration monitoring, and slide valve operation based on intervals like 250, 1,000, and 4,000 hours. This run-time-driven schedule helps detect early signs of wear, reduces the risk of unplanned downtime, and ensures safe, efficient operation.
Upper Piedmont RNG Facility
07/23/2025
Vilter Model 2101 PM Schedule
This procedure outlines preventive maintenance tasks triggered by accumulated run hours to ensure consistent compressor performance and longevity. It includes regular checks such as oil level inspections, filter changes, vibration monitoring, and slide valve operation based on intervals like 250, 1,000, and 4,000 hours. This run-time-driven schedule helps detect early signs of wear, reduces the risk of unplanned downtime, and ensures safe, efficient operation.
Preventative Maintenance Service Interval
Select Runtime Hour Service Needed
if the answer is "oneOf [6,000 hr,9,000 hr,15,000 hr,5,000 hr,7,000 hr,8,000 hr,10,000 hr,12,000 hr,18,000 hr]"
Inspect / Clean Oil Strainer
Inspect Inlet Butterfly Valve
if the answer is "oneOf [6,000 hr,9,000 hr,15,000 hr]"
Replace Coalescing Filter
if the answer is "oneOf [5,000 hr,6,000 hr,7,000 hr,8,000 hr,9,000 hr,10,000 hr,12,000 hr,15,000 hr,18,000 hr]"
Inspect / Clean Coalescing Drain Line
if the answer is "oneOf [6,000 hr,9,000 hr,15,000 hr]"
Compressor Inlet
Inspect / Clean Suction Screen
Inspect Inlet Butterfly Valve
if the answer is "oneOf [8,000 hr,15,000 hr]"
Compressor Hot Alignment
Verify Coupling Alignment and Integrity
if the answer is "oneOf [6,000 hr,8,000 hr,10,000 hr,15,000 hr]"
Sensor Verification
Inspect / Verify Transducers
if the answer is "oneOf [6,000 hr,8,000 hr,10,000 hr,15,000 hr]"
Inspect / Verify RTDs
if the answer is "oneOf [5,000 hr,6,000 hr,7,000 hr,8,000 hr,9,000 hr,10,000 hr,12,000 hr,15,000 hr,18,000 hr]"
Gate Rotor Inspection - PLC Side of Compressor
Gate Rotor Damper Pin Float
Tolerance = 0.06"
Meter name
Unit
Gate Rotor Backlash
Tolerance = 0.08" - 0.015"
Meter name
Unit
Gate Rotor Radial Bearing Float
Tolerance = 0.004"
Meter name
Unit
Gate Rotor Axial Bearing Float
Tolerance = 0.002"
Meter name
Unit
Gate Rotor Shelf Clearance
Tolerance = 0.003" - 0.004"
Meter name
Unit
Gate Rotor Inspection - Non-PLC Side of Compressor
Gate Rotor Damper Pin Float
Tolerance = 0.06"
Meter name
Unit
Gate Rotor Backlash
Tolerance = 0.08" - 0.015"
Meter name
Unit
Gate Rotor Radial Bearing Float
Tolerance Unknown
Meter name
Unit
Gate Rotor Axial Bearing Float
Axial Tolerance = 0.002"
Meter name
Unit
Gate Rotor Shelf Clearance
Tolerance = Min 0.003" - Max 0.004"
Meter name
Unit
Gate Rotor Inspection - Compressor Unit
All Compressor Gate Rotor Tolerances
if the answer is "oneOf [9,000 hr,18,000 hr]"
Compressor Bearings
Inspect Compressor Bearings
if the answer is "oneOf [6,000 hr,8,000 hr,10,000 hr,15,000 hr]"
Slide Valve Motors
Inspect Slide Valve Motors
Source: Upper Piedmont RNG Facility (Community Member)