Keeping your Kaeser M114 in peak operating condition starts with the right parts and a solid maintenance routine. Ensure your portable air compressor stays in top shape with high-quality fuel filters, fuel filters, fuel filters, and more. The M114 is engineered for reliable performance and efficient compressed air delivery across a wide range of operating conditions. Don’t forget to stay on top of your maintenance—secure the parts you need to keep your Kaeser M114 running smoothly!

Walk-Around Inspection

• Check oil separator tank, compressor air filter, and hoses for visible leaks or wear
• Inspect coolant level, engine oil level, and condition of battery terminals
• Check tire inflation (65 psi), tread condition, and torque on wheel nuts (796.57 lb-ft)
• Verify condition of all safety decals, panels, and emergency shut-off switch
• Inspect tow bar, brake rod, and safety chain for secure connections

Daily Maintenance

• Check and top off engine oil, coolant, fuel, and compressor cooling oil
• Inspect compressor air filter and engine air filter maintenance indicators
• Drain fuel/water separator
• Test emergency stop and confirm SIGMA CONTROL SMART shows no faults
• Inspect and clean radiator, air cooler fins, and protective louvers

Every 250 Hours

• Clean compressor air filter or replace if damaged
• Inspect fan belt tension and alignment
• Check tires and chassis components for wear or loosening

Every 500 Hours

• Change engine oil and oil filter
• Replace fuel pre-filter and fuel fine filter
• Grease tow bar, jack stand, and wheel bearings

Every 1,000 Hours

• Change compressor cooling oil
• Replace compressor oil filter and clean oil separator tank dirt trap
• Replace engine air filter and check coolant concentration

Every 2,000 Hours

• Replace oil separator cartridge
• Flush and refill engine coolant (ASTM D4985 spec)
• Replace drive belts and inspect turbocharger and mounts

Every 3,000+ Hours

• Replace all rubber hoses and sealing gaskets
• Clean and inspect diesel oxidation catalyst and exhaust system

Annual Maintenance

• Check brakes, chassis fasteners, and axle alignment
• Test battery charge system and top up electrolyte if applicable
• Replace decals and test safety relief valve calibration

As-Needed Maintenance

• Clean spark arrestor (if equipped) and floor pan drain system
• Replace damaged filters, hoses, or valves
• Use SIGMA CONTROL SMART to diagnose or clear faults

Final Maintenance Recommendations

Regular maintenance keeps your Kaeser M114 operating safely and efficiently. For a full range of Kaeser parts, explore our extensive EquipmentShare parts catalog. If you can’t find the part you need, reach out to our parts experts for a custom order.