Cleaning and filling the cooling system

• Do thoroughly clean sump, coolant lines, machine and guards before refilling with new coolant.
• Don’t put clean coolant in dirty machines or sumps.
• Do mix them in a clean container.
• Don’t mix coolants in the machine itself.
• Don’t use water from stagnant lines or contaminated sources.
• Do add emulsion concentrate to water while stirring.
• Don’t add water to product concentrate.
• Do use a Refractometer to verify proper concentration.
• Don’t check fluid strength by feel.

Operation of machine.

• Do ensure correct coolant flow.
• Don’t allow fluid to overheat; maintain full sump volume.
• Do use all guards and spray covers properly.
• Don’t allow operators to put their hands into the fluids unnecessarily.
• Do ask operators to wash down their machines with the coolant at the end of their shifts.
• Don’t allow operators to smoke, eat or drink next to machine.

Maintenance of fluid and coolant systems.

• Do ensure regular monitoring of the fluids.
• Don’t allow tramp oil to accumulate.
• Do make up with separately mixed emulsion or premix.
• Don’t add water to existing emulsions except for decreasing concentration only.
• Do keep the machine clean and keep the coolant tank covered.
• Don’t use an Metal Working Fluid beyond its useful working life.

   Courtesy: M/s. Quaker Chemical India Ltd.