Haas Mill X-Axis Waycover Wiper Gasket Replacement

Start by pulling the waycovers back.

Inspect the rails for loose fasteners by wiggling the rails

There should be no play in the rail

Tighten the fastener bolts using a hex wrench.

Apply a thin coat of red grease to the guide rails.

If the seals and waycovers are in good condition, this concludes the maintenance and should fix the popping noise.

If waycovers show any wear, you must complete the remaining steps.

If the waycovers show signs of damage, or the wiper seals are allowing lubricant to leak into the housing, they should be replaced

Wipers will often show small cracks as they have reached end of life.

Jog the X-Aaxis to the end of travel by rotating the Handle Jog counter clockwise.

Press the Emergency Stop button.

Failure to E-Stop the machine can put operator at risk of electric shock!

DO NOT PROCEEED WITHOUT E-STOP

Collapse the waycover and lift it from the end of the guide rail

Remove the waycover from the machine and place it upside down on a work surface.

Manually separate each section

Sections can be separated by hand simply by lifting up and pulling apart.

Wipe excess grease from the rubber wiper gaskets.

Locate and remove the small philips screw that secures the wiper blade.

Using a flathead screwdriver slide the retaining strip towards the opposite end of the waycover to disengage from the standoffs.

Pry the retaining strip up away from the standoffs.

Remove the damaged wiper.

Cut the new wiper to exact length

The old wiper can be used as a reference point for length and to make sure holes are aligned.

Prior to installation, clean any remaining grease from the waycover

Apply a light coat of red grease to the new wiper.

Place the new wiper onto the waycover.

Install the retainer over the top of the wiper.

Make sure the retainer captures all of the standoffs.

With one hand, apply downward pressure to the retainer.

Use a flathead screwdriver to slide the retainer into the locked position on the standoffs.

Verify the standoffs and retainer are locked together.

Put the waycover sections back together.

Remove any remaining chips or debris from the linear guides.

Remove the used gasket and sealant from the table mounting surface.

Apply a thin coat of grease to the waycover guide bars

Install the waycover over the guide bars.

Attach the waycover end panel to the waycover bracket with the fasteners.

Fully extend the waycover one leaf at a time.

Make sure the sections do not separate.

With the largest leaf of the cover away from the table:

Put a bead of rtb silicone on the way cover

Put the new gasket on the face of the waycover

Extend the waycover to the table

Install the fasteners.

Wipe away any excess silicone.

Release the E-Stop by pulling the Emergency Stop button outwards.

Press the "Reset" button multiple times until all alarms are cleared.

Apply a light coat of oil to all sections of the e-cover.

Manually jog the X-Axis slowly to make sure none of the leafs bind.

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