Hardinge Lathe T-51

Verify the machine is powered down

Release latch and open the access doors

Clean filler cap and the area around the filler cap

Fill the tank with the correct hydraulic oil until sight gauge is filled

Pour the oil from the filter bowl and dispose of it properly

Wipe the bowl clean with a lint free cloth

Clean the bowl with a solvent recommended by the hydraulic oil manufacturer. Wipe it dry with a lint free cloth

Verify the machine is powered down

Wipe filter head and filter housing, clean with a lint-free cloth

Remove the nut on the top of the filter unit to release the filter housing from the filter head

Remove the filter element from the filter body

Allow the coolant in the filter element to drain into the filter housing

Properly dispose of the coolant in the filter housing

Clean the filter element and the inside of the filter housing

Install the filter element in the filter body

Verify the machine is powered down

Remove the clear shield from terminal strip

Disconnect all wires in conduit from the terminal strip and circuit breaker

Disconnect the conduit from the chiller unit

Disconnect temperature probe wires from the terminal strip

Remove the temperature probe wires from the chiller unit

Replace the clear shield on the terminal strip

Warning: Only trained personnel should perform this procedure

Will the batteries expire before the machine is put back into service?

If yes, proceed with the following steps

Control battery located behind the control display panel and on top of the control unit

Axis drive batteries located on the drive units in the power case

Upload a photo of the replaced batteries

Sign off on the battery replacement

Remove access cover at the left end of the machine

Remove the plug(s) from the end of the spindle draw tube(s) if present

Loosen the six draw tube screws completely

Rotate the draw tube nut counterclockwise to disengage the draw tube from the work-holding device

Remove the work-holding device(s) from the spindle(s)

Cover the sub-spindle to protect it from chips while the main spindle is being cleaned if the machine is equipped with the optional sub-spindle

Close the main coolant guard door

Use an air line to blow chips and coolant out of the main spindle from the left end of the machine

Cover the main spindle to protect it from chips while the sub-spindle is being cleaned if the machine is equipped with the optional sub-spindle