Marriott Minneapolis Airport
BOGE C7.5L Rotary Screw Air Compressor
Preventative Maintenance
The cheapest hour of compressor service is the one before it fails.
Quarterly, semi-annual, and annual maintenance plans tuned to your duty cycle. We catch failures before they cost you a production day.
Most compressor failures are slow-rolling — a worn separator, a sticking float drain, a frayed belt — that turn into shutdowns at the worst possible time. A preventative maintenance plan replaces consumables, services valves, and inspects everything that moves on a predictable schedule. Our customers go years between unplanned outages.
What's included
The work, line by line.
Filtration changes
Air, oil, separator, inline, and dryer filters replaced at the manufacturer-spec interval — never "when it gets bad."
Oil and lubricant service
Compressor oil changes with OEM-grade lubricant. Inlet valves and minimum pressure valves cleaned and re-lubed.
Belt, drain, and valve service
Belts inspected and replaced. Float drains tested and replaced. Suction valves and gaskets repaired or replaced as needed.
Electrical and pressure switch checks
Tightened connections in starter boxes. Pressure switch verification. Wiring diagnostics when issues surface.
Cooler, condenser, and dryer cleanings
Coolers blown out, dryer condensers cleaned, separators verified — keeps the system efficient through summer.
Documented service report
Photo-documented service log with parts replaced, issues found, and recommended next steps.
Service levels
Minor PM vs. Major PM
Your PM schedule depends on your compressor's duty cycle. Light-use machines often need one minor PM per year; continuous-duty rotary screws typically need both.
Annually or every ~2,000 hours
Minor PM
- Air, oil, and separator filter changes
- Inline and dryer filter inspection
- Belt tension inspection
- Auto-drain test and cleaning
- Electrical and pressure switch checks
- Basic cleaning and general inspection
- Documented service report
Every 2 years or every ~4,000 hours
Major PM
- Everything included in Minor PM
- Full compressor oil and lubricant change
- Belt replacement
- Inlet valve and minimum pressure valve service
- Cooler and condenser cleaning
- Dryer condenser service
- Full system pressure test and leak check
- Detailed documented service report
Process
How a preventative maintenance job runs.
- 01
Schedule
Pick a frequency that fits your duty cycle — quarterly, semi-annual, or annual.
- 02
Plan visit
Service window scheduled around your operation. We bring all the consumables.
- 03
Service
Full PM checklist completed on-site. Discovered issues addressed in the same visit when possible.
- 04
Report
Documented service log and recommendations sent the same day.
Why it matters
Compressed air is often the most expensive utility per unit of output and the most overlooked. Skipping maintenance turns a $500 PM into a $5,000 unplanned repair — and a day of lost production.
Real projects
All case studiesOur work in preventative maintenance.
Get Started
Request Service
Tell us about your compressed air needs and a technician will respond within one business day. For emergencies, call us directly.
No phone trees — always a live technician
Free on-site assessments for new installations
Serving MN, WI, and IA