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Haas Factory Outlet-Oklahoma

A Division of Timco

1720 N. Juniper
Broken Arrow, OK 74012
Tel: (918) 362-4227
Fax: (918) 836-3356
HFO Oklahoma
A Division of Timco
Preventive Maintenance Plan


We are pleased to offer Haas customers a comprehensive Preventive Maintenance Program carried out by our Haas factory-certified service engineers. Protect your Haas investment and maximize your productivity by utilizing locally available Haas factory-certified professionals to keep your machine in the best possible condition. Essential items addressed at every preventative inspection are listed below.


Typical inspection items are noted below. Preventive maintenance plans are available for all Haas machines. Additional service, repairs, and parts for repairs are scheduled with the HFO and are subject to standard service rates. The Preventive Maintenance Service provides a list of necessary repairs and possible parts needed for future maintenance.
Electrical System
Check incoming voltage
DC buss voltage
Logic voltages
Condition of wires and connections
Ensure fans are working
Check regen resisters
Check vector drive
Check transformers
Check cabinet filter
Check motor connections and brushes*

Operator Panel
Condition of keypad
Function of keys, buttons, remote handle jog*
Condition of floppy drive*
Adjust CRT if needed
Check door rollers, switches, rails
Operation of chip auger/conveyor

Check if in good working condition

Check level
Check backlash in axis’ with ballscrews
Complete an alignment report

Pneumatic System
Check filters*
Check hoses and fittings
Check for leaks
Check pressure switch

Way Lube System
Inspect filters
Inspect lines and fittings
Check proper pump operation

Check transmission oil
Condition of belts
Condition of air lube lines
Condition of spindle taper or chuck

* if applicable

Hydraulic Power Unit*
Check oil level and condition of oil
Check for leak
Check max pressure
Check low pressure switch
Check gauges
Check that filter has been changed

Check condition of hoses
Check for leaks
Coolant pump and filters
P-cool operation

Check hoses and fill if necessary
Check chains, rollers, and weight

Optional Special Services
Must be completed at time of preventive maintenance.

Through Spindle Coolant (mills) High Pressure Coolant (lathes)
Check pre-charge pressure, hoses, pressure at pump, seal housing, and filters.

Pallet Changer or Parts Loader 
Check for wear on rollers, status of switches, alignment to machine, condition of bumbers, and remote operator panel.

Bar Feed (Haas brand only)
Check alignment, switches, and repeatability.

Vibration Analyzer Plot 
Verifies machine vibration against established criteria. Isolates potential problems while still manageable.

Ball Bar Plot
Used as a diagnostic tool, the ball bar tests circularity and verifies the positioning accuracy and repeatability of your machine tool. Only available on mills at this time.

Probe Calibration
By recalibrating your Visual Quick Code Probing System, you ensure the integrity of your measuring system.

Optional Special Services

Through Spindle Coolant (Mills)
or High Pressure Coolant (lathes)
Pallet Changer or Parts Loader
Bar Feed (Haas brand only)
Vibration Analyzer Plot
Ball Bar Plot
Probe Calibration


Please use the form below to contact HFO Oklahoma, or call us at (918) 362-4227.


Company Information
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Service Information

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serial Number
Service/Schedule Comments *
Purchase Order Number
Fax: (918) 836-3356
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Purchase must be signed and received prior to scheduling. Purchase orders may be submitted with this form, faxed, or emailed to the address above.

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