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Maintenance
96-8000 rev R June 2007
LUBRICATION C HART
System Lubricant Quantity
Vertical Mills
Way lube and pneumatics Mobil Vactra #2* 2-2.5 qts
Transmission Mobil DTE 25 40Taper 34 oz, 50 Taper 51 oz
A and B axis (VR-Series) Mobil SHC 625 A-axis 5qts, B-axis 4qts
EC-Series
Way lube and pneumatics Mobile Vactra #2* 2-2.5 qts
Transmission Mobil DTE 25 34 oz
Rotary Table Mobil SHC-630 Cover sight glass
HS 3/4/6/7 incl R
Way lube and pneumatics Mobil DTE-25 2-2.5 qts
Transmission Mobil DTE 25 34 oz
Rotary Table Mobil SHC-630 Cover sight glass
*All 50-Taper Machines, 30,000 RPM 40-taper spindles and 15,000 RPM spindles in GR-Series mills use DTE 25.
COOLANT AND C OOLANT T ANK
Machine coolant must be water-soluble, synthetic oil based or synthetic based coolant/lubricant. Using mineral
cutting oils will damage rubber components throughout the machine and void the warranty.
Coolant must have rust inhibitors. Do not use pure water as a coolant; machine components will rust.
Do not use flammable liquids as coolant.
Acidic and high alkaline fluids will damage components throughout the machine.
See safety section and labeling concerning flammable and explosive fluids and materials.
If the mill is equipped with Through-the-Spindle Coolant (TSC) do not use coolants with extremely low lubricity;
these types of coolant can damage the TSC Coolant tip and pump.
The coolant tank must be thoroughly cleaned periodically, especially for mills equipped with TSC.
Coolant Overview
As the machine runs the water will evaporate which will change the concentration of the coolant. Coolant is also
carried out with the parts.
A proper coolant mixture is between 6% and 7%. To top-off coolant only more coolant or deionized water should be
used. Be sure that the concentration is still within the range. A refractometer can be used to check the concentra-
tion.
Coolant should be replaced at regular intervals. A schedule should be set and held to. This will avoid a build up of
machine oil and will ensure that coolant is within the proper concentration and lubricity.
AUXILIARY F ILTER E LEMENT R EPLACEMENT
Change the filter bag when the filter gauge displays a vacuum level of -5 in. Hg or more. Do not allow the suction to
exceed -10 in. Hg or pump damage may occur. Replace with a 25-micron rated filter bag (Haas P/N 93-9130).
Loosen the clamps and open the lid. Use the handle to remove the basket (the filter element will be removed with
the basket). Remove the filter element from the basket and discard. Clean the basket. Install a new filter element
and replace the basket (with element). Close the lid and secure the clamps.
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