Troubleshooting
Running a compressor fleet: building a reorder cycle that prevents stockouts
Mixed models, staggered service dates, costly air shipments. Build a fleet file and quarterly reorder waves. Keli-Parts supports MOQ 1 and mixed shipments.
Knowledge base
Troubleshooting and maintenance guides
Practical answers from the parts trade: why discharge pressure drops, why oil carries over, and how to match part numbers with confidence.
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Troubleshooting
Planned maintenance vs breakdown: the parts-desk view of downtime cost
Breakdowns cost more than parts: lost output, expedited freight, idle staff. Plan 2000-hour kits ahead. Keli-Parts quotes and stocks to your maintenance cycle.
Troubleshooting
What a 2000-hour service kit should actually contain
A 2000-hour service kit should cover the air filter, oil filter, separator and oil volume for your model. Keli-Parts configures kits and checks fitment first.
Troubleshooting
All-in-one compressor units: what to check before installing in a small workshop
Before installing an all-in-one compressor, check floor space, ventilation, power supply, condensate and noise. Keli-Parts KLI-IT: 7.5-22 kW, ready to run.
Troubleshooting
PM VSD vs fixed speed: the energy math buyers should run first
PM VSD or fixed speed? Run the load, tariff and hours math first. Keli-Parts quotes both screw compressor types against your site data in 1 working day.
Troubleshooting
Sizing a screw compressor: why matching air demand beats matching price
Sizing a screw compressor by kilowatts alone wastes energy or starves tools. Start from real air demand, working pressure and load factor instead.
Troubleshooting
Water in your air line: dryers, filters and where the setup usually goes wrong
Water in compressed air rusts valves and ruins paint work. Walk the chain from aftercooler to line filters and find where your setup lets moisture through.
Troubleshooting
How often should compressor oil filters really be changed?
Fixed hour limits do not fit every site. Heat, dust and continuous duty shorten oil filter life — here is how to set an interval that protects your compressor.
Troubleshooting
Spin-on vs cartridge oil filters: avoiding thread and gasket mismatches
Spin-on and cartridge oil filters fail in different ways. Use this checklist for threads, gaskets and O-rings before you order replacement compressor filters.
Troubleshooting
Oil filter bypass valve: the silent killer of compressor bearings
A mismatched oil filter bypass valve sends unfiltered oil straight to compressor bearings. Learn how opening pressure, threads and seals decide fitment.
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Parts behind the guides
Consumables the guides talk about
The filter elements, separators and kits our troubleshooting guides reference.
Oil Filters
Air Compressors Replacement Oil Filter
Oil Filter is an indispensable core component in the daily maintenance and fault repair of industrial air compressors.Our product KL-1016 Oil Filter acts as the "guardian" of the equipment's oil circuit.It can accurately intercept impurities, metal fragments, and contaminants in the compressor's oil to establish the defense for machine....
Air Filters
Air Compressor Air Filter 16546-96064
SK-2850AY Single-Pass Air Filter with Iron Cover is a high-performance filtration unit manufactured by Ningbo Keli-parts Manufacture Co., Ltd. for industrial applications. Engineered with a specialized single-pass design and robust iron cover construction, this product delivers reliable air filtration for medium to large industrial power systems....
Oil Separators
Air Compressor Air Oil Separator P782913
The Keli-parts P782913 Air Oil Separator plays a key role in filtration for lubricated screw air compressor systems. It gets designed for solid, reliable operation right from the start. With its precise coalescing technology, the separator pulls out oil aerosols and small contaminants from the air stream pretty effectively....