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Wide banner with dirty engine component, large lettering “Varnish Symposium,” slogan “Deposits under control – focus on efficiency and sustainability!”, date March 10–11, 2026, logos “hosted by OilDoc,” “supported by Fluitec,” and “OELCHECK.”
Event

OilDoc Varnish-Symposium 2026

Close-up of heavily oiled metal gears as an example of lubricants in practical fluid management
Certificate course

Module 2 – Fundamentals of lubricant application II (lubricant expert)

Technician takes an oil sample from a machine using a sample bottle, on the right the ICML logo “MLA II”, below the lettering “OilDoc certification course”
Certificate course

MLA II – Machine monitoring through oil analyses (for advanced users)

Kompressoren richtig schmieren

Lubrication and oil monitoring for compressors/compressors

Two maintenance technicians wearing helmets check data on a laptop in front of a large industrial plant as part of lubricant management.
Certificate course

Module 3 – Professional lubricant management (lubricant expert)

Blue coolant antifreeze is poured from a measuring cup into the cooling circuit of an engine.

Coolant – the underestimated operating fluid

Yellow excavator arm with hydraulic cylinders, lines, and lubrication points as an example of properly lubricated hydraulics

Lubrication and oil monitoring for hydraulics

Heavily oiled metal gears in an industrial gearbox as an example of the practical use of lubricants.
Certificate course

Module 1 – Fundamentals of lubricant application I (lubricant expert)

Schmierung und Ölüberwachung für Windkraftanlagen

Lubrication and oil monitoring for wind turbines

Two experts discussing documents; on the left, engine oil is being poured from a canister – symbolizing a seminar on the basics of lubrication.
Certificate course

Module 4 – Solving practical problems – avoiding damage (lubricant expert)

Production hall with large paper machine and wound paper roll in a paper factory

Lubrication and oil monitoring for paper machines

Metal ball bearing, generously coated with yellow grease, against a blue background

Lubricating greases – properties, selection and monitoring

Certificate course

MLA/MLT I – Machine monitoring through oil analyses (for beginners)

Technician wearing gloves working on hydraulic unit with hoses and valves, emblem on the right Specialist in hydraulic fluids
Certificate course

Certified Hydraulic Oil Specialist

Two green fermenter domes of a biogas plant in a rural setting at sunrise

Lubrication and condition monitoring for gas engines

Several green industrial compressors with piping and attachments in a plant hall

Lubrication and condition monitoring for turbines and compressors

Golden motor oil is poured from a canister into a car engine.

Lubrication and condition monitoring for combustion engines

Hand holding a lab report on oil analysis with tables and an infrared spectrum diagram in the corner

Infrared-spectroscopy for practical purposes – understand and interpret IR-spectra

Schmierstoffwissen für Konstrukteur

Lubricants – Know-how for design engineers

Close-up of several metal gears and shafts in an industrial gearbox

Lubrication and oil monitoring for gearboxes

STLE-CLS logo “Certified Lubrication Specialist” next to metal gears coated with brown lubricating oil.
Certificate course

CLS Certified Lubrication Specialist – expert knowledge for lubricant professionals