Haas Automation CNC Horizontal Machining Center HS-4

Warning: This procedure requires trained personnel with PPE!

Oil reservoir removed from the pump body?

End cap unscrewed using a strap wrench, pipe wrench or adjustable pliers?

Oil filter element removed from the filter body?

Inside of the filter housing and the filter end cap cleaned?

New oil filter element (p/n 94-3059), O-ring and the end cap installed?

Oil reservoir replaced and gasket seated properly between the reservoir and the top flange?

Sign off on the oil filter lubrication

• Replace air filter on control box every 2 years.

• EC-400 Replace the Rotary A-axis oil

1. Remove the fourteen (14) BHCS on the right Z-axis way cover at the receiver end and slide it toward the column.

2. Remove the left Z-axis way cover: Jog the Z-axis all the way toward the column and rotate the H-frame 45° counter clockwise. Remove the thirteen (13) BHCS that fasten the waycover to the receiver and remove it through the door at the control pendant.

3. Disconnect the reservoir at the rotary indexer end and plug the end of the hose.

4. Remove the drain plug on the opposite side of the rotary indexer. Replug the hole when the oil has drained.

5. Remove the air escape hole plug on the side of the platter.

6. Fill the rotary table until oil begins to escape from the air escape hole and plug it.

7. Replace the reservoir hose and the way covers. Command the receiver 180° to 0° repeatedly for fifteen minutes.

Drain the oil from the bottom of the gearbox

Remove inspection cover beneath spindle head

Add oil slowly from top until oil begins dripping from overflow tube at bottom of sump tank

For 50 taper spindles, add oil from the side of the transmission

Check oil filter and clean out residue at bottom of filter

Check SMTC oil level in sight glass

Warning: This maintenance check requires trained personnel with PPE!

Check the tool pot chain tension

Chain tension adjustment is performed in the lower left area of the magazine.

Loosen the four 12x50 SHCS from the front of the magazine.

Loosen the hex lock nut on the shaft and tighten the shaft using the hex bolt.

Lock in the adjustment with the hex lock nut, and retighten the four 12x50 SHCS.

Check the alignment between the manual tool push cylinder and the tool pot.

Sign off on the tool changer maintenance

Check way lube lubrication tank level

Clean chips from way covers and bottom pan

Wipe spindle taper with a clean cloth rag and apply light oil

Sign off on the daily maintenance