Service Home How To Procedures Coolant Refill - Operation - Maintenance - AD0172
Last updated: 03/09/2021

Coolant Refill - Operation - Maintenance

AD0172

Introduction

The Coolant Refill assembly does these tasks automatically:

  1. Mixes water with coolant concentrate.
  2. Adds coolant to the coolant tank.

You can set values that control how the Coolant Refill operates. This decreases the work necessary to keep the correct level and concentration of coolant in your tank.

Components

  1. Coolant concentrate container
  2. Water supply hose
  3. Coolant Filler pipe/hose

Use these types of coolant concentrate for the Coolant Refill:

  • Soluble oil
  • Synthetic
  • Semi Synthetic

Requirements

  1. Classic Haas Control: Mill software 18.22A or higher and lathe software 11.18A or higher.
  2. Next Generation Control: Software 100.16.000.1010 or higher.

 WARNING: DO NOT ADD POWDERED/LIQUID COOLANT ADDITIVES TO THE COOLANT REFILL TANK.  THIS WILL DAMAGE THE SOLENOIDS AND VOID YOUR WARRANTY. ALL ADDITIVES MUST BE ADDED AND MIXED IN THE COOLANT TANK.

Installation

Refer to the Coolant Refill installation procedure.

Next Generation Control Operation

To view the Coolant Refill page:

Push [DIAGNOSTIC].

Select the Maintenance tab.

Select the Coolant Refill tab.

To set a value:

Highlight a setting. Enter the value. Push [ENTER].

Settings for the Coolant Refill:

Setting Description Default Value Range
Coolant Refill [2] This setting activates or deactivates the Coolant Refill option. Off On or Off
Estimated Coolant Use Per Hour [3] This is the quantity of coolant lost to the environment in an hour of detected coolant use.* 1.0 .01 - 99 gallons/hour
Coolant Concentrate[4] This is the correct coolant concentration necessary for the application. 5 0 - 10 %
Time Between Refills[5] This is the quantity of time between automatic coolant refills. 5.0 0.1 - 999.8 hours
Maximum Coolant From Remaining Concentrate[6] This is the quantity of coolant mixture that flows into the coolant tank before the coolant concentrate container is empty. 500 20 - 1000 gallons
Supply Water Rate [7] This is the quantity of water flow from the water supply. Measure the water flow from the water supply and enter that value here. 2.0 0.1 - 99.9 gallons/minute
Concentrate Adjustment [8]

This is the accurate adjustment of the measured coolant concentration. Increase or decrease this value to make the measured coolant concentration the same as the value in Coolant concentration percent [3].**

 0 (-20) - 20
Coolant Level [9] This gauge shows the level of coolant mixture in the coolant tank. N/A N/A
Low Coolant Concentrate Warning[10]

This Low Concentrate icon shows when the value in Maximum Coolant From Remaining Concentrate [6] becomes 40. This lets you fill the coolant concentrate container before it becomes empty.

When the value becomes 0, the Coolant Refill system operation stops. This lets you fill the coolant concentrate container.

To keep the system in operation, fill the coolant concentrate container before it becomes empty.

 N/A N/A

*The control monitors coolant use as the quantity of time the pumps are on.

**Refer to the Coolant Refill - Calibration procedure.

Operation - Classic Haas Control

To view the COOLANT REFILL page:

Push [CURNT COMNDS]. Push [PAGE DOWN] until the COOLANT REFILL page shows.

To set a value:

Highlight a setting. Enter the value. Push [WRITE/ENTER].

Settings for the Coolant Refill:

Setting Description Default Value Range
Estimated gallons of coolant consumed per hour [2] This is the quantity of coolant lost to the environment in an hour of detected coolant use.* 1.0 .01 - 99 gallons/hour
Coolant concentration percent [3] This is the correct coolant concentration necessary for the application. 5 0 - 10 %
Number of hours between refills [4] This is the quantity of time between automatic coolant refills. 5.0 0.1 - 999.8 hours
Max gal. coolant added before replenishing concentrate [5] This is the quantity of coolant mixture that flows into the coolant tank before the coolant concentrate container is empty. 500 20 - 1000 gallons
Gallons per minute supply water [6] This is the quantity of water flow from the water supply. Measure the water flow from the water supply and enter that value here. 2.0 0.1 - 99.9 gallons/minute
Coolant Concentrate adjust percent lean [7]

This is the accurate adjustment of the measured coolant concentration. Increase or decrease this value to make the measured coolant concentration the same as the value in Coolant concentration percent [3].**

 0 (-20) - 20
Coolant level sensor gauge [8] This gauge shows the level of coolant mixture in the coolant tank. N/A N/A
Low coolant concentrate warning [9]

This REFILL CONC. icon shows when the value in Maximum gallons coolant added before replenishing concentrate [5] becomes 40. This lets you fill the coolant concentrate container before it becomes empty.

When the value becomes 0, the Coolant Refill system operation stops. This lets you fill the coolant concentrate container.

To keep the system in operation, fill the coolant concentrate container before it becomes empty.

 N/A N/A

*The control monitors coolant use as the quantity of time the pumps are on.

**Refer to the Coolant Refill - Calibration procedure.

9.4 Coolant Refill - Maintenance

Maintenance

 WARNING: DO NOT ADD POWDERED/LIQUID COOLANT ADDITIVES TO THE COOLANT REFILL TANK.  THIS WILL DAMAGE THE SOLENOIDS AND VOID YOUR WARRANTY. ALL ADDITIVES MUST BE ADDED AND MIXED IN THE COOLANT TANK.

Coolant-Concentrate Filter Cleaning

  1. Remove the cap [1] from the container.
  2. Find the filter screen [2] inside at the bottom of the container. Remove the filter screen.
  3. Clean the filter screen with water.
  4. Install the filter screen and cap onto the container.

ASCO Brand Purge Solenoid

Push [POWER OFF]. 

Close off the water supply valve to the refill unit.

ASCO air purge solenoid:

  • Remove the red cap [1].
  • Push the solenoid coil assembly [2] down to compress the spring inside.
  • Remove the specification plate [3] by sliding off.
  • Remove the split spring [4] and valve subassembly [5] from the coil assembly [2].
  • Disassemble the valve subassembly [5].
  • Clean the parts with compressed air. Be sure to remove all debris from inside the valve.
  • Apply a thin coat of silicone grease to the body gasket [6].
  • Assemble the components in the opposite order they were removed.
  • Open the primary air valve. Make sure there are no leaks.

SMC Brand Purge Solenoids

Push [POWER OFF]. 

Close off the water supply valve to the refill unit.

SMC air purge solenoid:

  • Remove the four screws [1].
  • Remove the solenoid coil assembly [2].
  • Clean the internal solenoid parts [3] with compressed air. Be sure to remove all debris from inside the valve [4].
  • Apply a thin coat of silicone grease to the rubber seals.
  • Assemble the components in the opposite order they were removed.

FESTO Brand Purge Solenoids

Push [POWER OFF]. 

Close off the water supply valve to the refill unit.

FESTO air purge solenoid: 

  • Remove the nut [1].
  • Remove the washer [2].
  • Remove the solenoid coil [3]. Note the orientation of the coil.
  • Remove the plug nut [4]. 

 NOTE: Hold the outside diameter (pictured RED) of the plug nut in the vice with the aluminum jaws to prevent the damage.

  • Remove the spring [5].
  • Remove the valve poppet [6].
  • Use the compressed air to clean the valve body [7] valve poppet and the spring.
  • Clean the old thread sealant off the plug nut threads and apply fresh sealant.
  • Assemble the solenoid in the reverse order.

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