Haas Automation Haas Automation CNC Horizontal Machining Center HS-4 HS-4

• 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.

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

Replace coolant and thoroughly clean the coolant tank

Check all hoses and lubrication lines for cracking

Check the rotary A-axis. If necessary add oil (Mobil SHC-630). The correct oil level is halfway on the sight glass

Lubricate the following parts using red grease

Lubricate the Arm Shaft using Moly grease

• Check Through the Spindle Coolant (TSC) filters. Clean or replace element if needed.

• Check for proper operation of auto drain on filter regulator.

• On machines with the TSC option, clean the chip basket on the coolant tank.

Remove the tank cover and remove any sediment inside the tank. Disconnect the coolant pump from the cabinet and power off the machine before working on the coolant tank.

Do this MONTHLY for machines without the TSC option.

• Check air gauge/regulator for 85 psi. Check the spindle air pressure regulator for 17 psi. For 15K-spindle machines, check spindle air pressure regulator for 20 psi.

• For machines with the TSC option, place a dab of grease on the V-flange of tools.

Do this MONTHLY for machines without the TSC option.

• Clean exterior surfaces with mild cleaner. DO NOT use solvents.