Axis Drive Card - Replacement

Applies to machines built from: 
January, 1989 to June, 1996
AD0298 Rev B

Control - Axis Drive Card - Replacement - Introduction

This procedure tells you how to install an axis drive card in the control.
Safety Notes
Caution: When you do maintenance or repair on CNC machines and their components, you must always follow basic safety precautions. This decreases the risk of injury and mechanical damage.

Do these steps before you do work in the machine or in the control cabinet:
  • Set the main circuit breaker to the OFF position.
  • Use an approved lock with an approved safety tag. Always follow lock-out procedures in accordance to local government rules.
  • After turning off the machine, wait at least 5 minutes before working in the control cabinet, to allow power to dissipate. Wait for the voltage indicator LED on the vector drive to go off completely.
  • Always turn off the main air supply when you work on any part of the pneumatic system.
  • Make sure to rest the spindle head on a block of wood when work is done on a vertical axis. This will prevent any unintended movement that could result in the axis falling.
  • Never alter any safety circuits on the machine.
You should not do machine repair or service procedures unless you are qualified and knowledgeable about the processes. Serious damage to the machine components can result in costly repairs. The service technicians at your Haas Factory Outlet (HFO) have the training and experience, and are certified to do these tasks safely and correctly. The repair and service work performed by your HFO is protected with a limited warranty.
danger: Some service procedures can be dangerous or life-threatening. DO NOT attempt a procedure that you do not fully understand. If you have any doubts about doing a procedure contact your Haas Factory Outlet (HFO) and schedule a service visit.

Prerequisites

The most common cause for a failed drive card is an electrical short in the axis motor or motor cable. Check for an electrical short in the system before replacing the drive card.

To do this procedure, you must have (1) of the kits listed in Parts Included.

Machine Compatibility

The machine must have brush motors and a classic Haas control.

Parts Included

93-1075A
QTY: 1
DRIVE CARD, BRUSH (REV D)
93-1076A
QTY: 1
DRIVE CARD, BRUSH (REV FB)
93-1077A
QTY: 1
DRIVE CARD, BRUSH (REV F & ABOVE)

Control - Axis Drive Card - Replacement

Step 1

Push POWER OFF.

Set the main circuit breaker to the OFF position.

Lock the main circuit breaker. Use an approved lock with an approved safety tag.

danger: After turning off the machine, wait at least 5 minutes before working in the control cabinet, to allow power to dissipate.

Step 2

Put an identification label on each cable that is attached to the drive card. This makes the installation easier. Disconnect these cables.

Remove the drive card.

Install the replacement drive card.

Use your identification labels to connect the cables.

Be aware: Many service and repair procedures should be done only by authorized personnel. The service technicians at your Haas Factory Outlet (HFO) have the training, experience, and are certified to do these tasks safely and correctly. You should not do machine repair or service procedures unless you are qualified and knowledgeable about the processes.

Danger: Some service procedures can be dangerous or life-threatening. DO NOT attempt a procedure that you do not completely understand. Contact your Haas Factory Outlet (HFO) and schedule a service technician visit if you have any doubts about doing a procedure.

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