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Portable equipment focus
Service centred on commercial towable and skid-mounted diesel screw compressors.
AIRMAN & Hokuetsu Compressor Repair
Independent industrial compressor service · Edmonton
AIRMAN & Hokuetsu Compressor Repair
Practical diagnostics, maintenance and repair support for AIRMAN portable compressors and legacy Hokuetsu-labelled equipment. Airtek works on commercial diesel rotary-screw packages used by contractors, rental fleets and industrial crews across the Edmonton region.
PDS family coverage
Standard, after-cooled, dry-air, Leak-Gard and higher-pressure configurations.
Edmonton-based support
Industrial compressor service from an experienced local independent repair provider.
Hokuetsu Industries became AIRMAN CORPORATION on April 1, 2025. The equipment lineage continues.
The name on the data plate matters
AIRMAN brand. Hokuetsu history.
AIRMAN was introduced as a brand by Hokuetsu in 1952. Equipment may therefore carry AIRMAN branding, identify Hokuetsu Industries Co., Ltd. as the manufacturer, or show the current AIRMAN CORPORATION name. Airtek uses the complete model suffix, serial number, engine information and installed options to identify the actual build before parts or repair work is quoted.
Air end and separator system
Rotary-screw performance, lubricant circuit, filtration and air/oil separation.
Diesel engine and controls
Starting, engine speed, load control, shutdown circuits and operating condition.
Air-treatment equipment
After-coolers, moisture separation and dry-air components where equipped.
Equipment we can assess
Portable compressor families
AIRMAN model suffixes identify important differences in pressure, air treatment, containment, engine and emissions configuration. These groups reflect official product-family naming; the data plate determines the parts and procedures for an individual unit.
PDS diesel rotary-screw compressors
Towable and box-type PDS packages for pneumatic tools, construction work, rental fleets and general industrial air demand. Service can involve the engine, compressor, inlet controls, separator circuit, cooling package and electrical protection system.
Examples: PDS80S, PDS100S, PDS130S, PDS185S, PDS265S, PDS400S, PDS655S, PDS670S and PDS750S.
PDS-L, PDS-C and combined variants
Leak-Gard or oil-fence packages and after-cooled configurations add systems that must be inspected as part of the whole machine. Airflow restrictions, drain problems, contamination and damaged cooling components can affect delivered-air quality and operating temperature.
Examples: PDS65L/LC, PDS80L/LC, PDS140L/LC, PDS185SC and PDS400L/LC.
PDS-D and PDSE/F/G/H/J/K families
Dry-air, dual-pressure, variable-pressure and high-pressure equipment requires diagnosis against the exact pressure controls and treatment hardware installed. Work begins with the full model code rather than an assumed configuration.
Examples include PDS265SD, PDS400LD, PDSF330, PDSG290, PDSG750 and PDSJ/PDSK high-pressure packages.
Hokuetsu-labelled and earlier PDS units
Older machines may use superseded engines, controls, air-end components or product suffixes. Airtek can inspect the equipment and research service options using the model, serial number, build plate and any available manual or maintenance record.
Bring the complete data-plate information. Similar-looking PDS models can contain different service parts.
Faster service intake
Send the machine details first.
A clear data-plate photo helps separate AIRMAN branding, Hokuetsu manufacturer history and the exact PDS build.
What to include with your request
- Full model and suffix
- Serial number and build plate
- Hour-meter reading
- Engine make and model
- Rated pressure and airflow
- Fault code or warning lamp
- When the symptom occurs
- Recent service or repair history
Photos of the control panel, air end, engine compartment and any damaged area are useful. Do not bypass shutdown protection or open a pressurized system to gather information.
Common service complaints
Symptoms worth investigating
Portable compressor faults often cross between the diesel engine, air system, controls and cooling package.
Hard starting or no start
Slow cranking, warning circuits, fuel delivery, cold-start concerns or shutdown inputs.
Low pressure or airflow
Weak tool performance, delayed pressure recovery or output that falls under load.
High temperature shutdown
Restricted cooling, fluid-condition issues, airflow blockage or a protection-system event.
Oil in the delivered air
Excessive carryover, rising lubricant consumption or contamination downstream.
Hunting or failure to load
Unstable engine speed, repeated load/unload cycling or inconsistent pressure control.
Fluid or air leaks
Compressor oil, engine oil, coolant, fuel or compressed-air leakage around the package.
Wet or hot outlet air
After-cooler, drain or moisture-separation performance that no longer matches the application.
Noise or vibration
New mechanical noise, vibration, belt concerns, loose mounting or fan and cooling-system contact.
These symptoms are starting points, not a remote diagnosis. Shut the compressor down if continued operation could damage the machine or create a safety risk.
A controlled repair path
From intake to verified operation
Clear machine identification comes first, especially where model names continued across engines and generations.
Identify
Record the full model suffix, serial number, engine, hours and installed air-treatment options.
Inspect and test
Review the reported fault, inspect the package and test the systems relevant to the symptom.
Quote the repair
Explain the findings, recommended work and parts path before approved repairs proceed.
Repair and verify
Complete the authorized work and confirm operation under conditions appropriate to the repair.
Service questions
AIRMAN and Hokuetsu repair FAQ
Are AIRMAN and Hokuetsu the same compressor manufacturer?
AIRMAN was the long-standing brand name used by Hokuetsu Industries Co., Ltd. The company changed its registered name to AIRMAN CORPORATION on April 1, 2025. Older documents and machine plates may therefore reference Hokuetsu, while the equipment itself carries AIRMAN branding.
Which AIRMAN PDS models can Airtek inspect?
Airtek can assess many commercial PDS portable compressor configurations, including standard, Leak-Gard, after-cooled, dry-air and higher-pressure families. Serviceability and parts availability are confirmed from the complete model suffix, serial number, engine and installed options.
Do you work on both towable and skid-mounted units?
Yes, Airtek can review towable, box-type and skid-mounted industrial packages. Describe the mounting arrangement and any access limitations when requesting service so the intake can be planned correctly.
Why is the complete model suffix important?
AIRMAN and Hokuetsu suffixes can distinguish engine, emissions, pressure, containment and air-treatment configurations. A base model alone may not identify the correct filter, separator, control component or service procedure.
Can you diagnose after-cooler, moisture and dry-air problems?
Airtek can inspect the relevant cooling, drain and separation components on equipped units. The repair path depends on the installed system and the air-quality requirement of the application.
What should I do if the compressor shuts down on protection?
Record the warning, operating conditions and hour reading, then stop using the machine if continued operation may cause damage or risk. Do not bypass safety or shutdown circuits. Contact Airtek with the model and fault details for the next step.
Get the right machine in front of the right technician.
Send Airtek the complete AIRMAN or Hokuetsu model information and describe what changed.
Testimonials
"Their commitment is unmatched, and their sales approach is outstanding ... Their dedication and care truly set them apart, delivering the best service one could ask for."
"Great folks ... they rose to the occasion and got it completed and back in the field. Will gladly recommend to all my industry contacts and colleagues!"
"I have been very happy with my experience dealing with Airtek systems for the past year. They are always very fast to help me with any issues I come across, minimizing downtime and increasing productivity."