The store will not work correctly when cookies are disabled.
JavaScript seems to be disabled in your browser.
For the best experience on our site, be sure to turn on Javascript in your browser.
FAQs & Troubleshooting
Search checklists, quick-start videos, and maintenance guides for compressors, analyzers, fittings, and Nitrox systems. To help us assist you, we ask that you review information on this page before calling or emailing us for assistance. Please do not use our chat window for FAQ & Troubleshooting assistance.
Compressor Troubleshooting
Electrical
O₂ Quickstick Analyzer
Nuvair Pro CO
ICON / MCH6
MCH13–MCH16
MCH20–MCH24
MCH22–MCH45
Voyager Nitrox
Fittings
Install · Operate · Maintain
Compressor Troubleshooting (General)
Keyword
Description
Link
Checklist Description: Compressor Troubleshooting Checklist (General)If you have an unknown type of compressor issue, please complete this checklist and email to ron@nuvair.com before contacting Nuvair for assistance. Open PDF
No results in this section.
Electrical Troubleshooting (General)
Keyword
Description
Link
Checklist Description: Electrical Troubleshooting ChecklistIf you have a known equipment electrical issue, please complete this checklist and email ron@nuvair.com before contacting Nuvair for technical assistance. Open PDF
Lista de Verificación Description: Lista para Problemas con el Compressor EléctricoSi tiene un problema eléctrico conocido en el equipo, complete esta lista de verificación y envíe un correo electrónico a ron@nuvair.com antes de comunicarse con Nuvair para obtener asistencia técnica. Abrir PDF
SmoothStart Description: Nuvair SmoothStart Troubleshooting GuideAssistance with troubleshooting the Nuvair SmoothStart module. For additional assistance, email ron@nuvair.com . Open PDF
Variable Speed Drive Description: Invertek OptiDrive AC Variable Speed DriveOpen PDF
No results in this section.
Nuvair O₂ Quickstick Oxygen Analyzer for Nitrox Divers
Keyword
Description
Link
Operation Description: How do I operate the O₂ Quickstick? (Quick Start Video Guide)Watch
Sensor Description: How do I replace the O₂ Quickstick sensor?Watch
Battery Description: How do I replace the O₂ Quickstick battery?Watch
CDB Description: How do I replace the O₂ Quickstick Circular Distribution Board?Watch
Knob Description: O₂ Quickstick potentiometer knob spins freely—how to fix?Open PDF
Troubleshoot Description: O₂ Quickstick Troubleshooting TreeFor O₂ Quicksticks manufactured after August 2021. Complete the yes/no tree before contacting support. Open PDF
No results in this section.
Nuvair Pro CO Carbon Monoxide Analyzer
Keyword
Description
Link
Checklist Description: How do I operate the Nuvair Pro CO (carbon monoxide) Analyzer? [Quick Start Video Guide]Watch
Calibration Description: How do I calibrate the Nuvair Pro CO (carbon monoxide) Analyzer?Watch
No results in this section.
Icon / MCH6 Compressor
Keyword
Description
Link
Installation Description: How do I setup and install the MCH6 Electric compressor?Watch
Installation Description: How do I setup and install the MCH6 Gas compressor?Watch
Installation Description: How do I run the MCH6 ICON Electric compressor for the first time?Watch
Maintenance Description: How do I regularly maintain the MCH6 compressor?Watch
Maintenance Description: How do I regularly maintain the ICON LSE 100 EM compressor?Watch
Belt Description: How do I replace the MCH6 compressor belt?Watch
Hoses Description: How do I replace MCH6 high pressure hoses?Watch
Filter Description: How do I replace an MCH6 intake air filter?Watch
Filter Description: How do I replace the MCH6 compressor activated carbon filter?Watch
Refill Description: How do I refill DIN tanks using the MCH6 compressor?Watch
Refill Description: How do I refill INT (Yoke) tanks using the MCH6 compressor?Watch
Auto-Stop Description: How do I install an auto-stop shutoff switch on the MCH6 compressor?Watch
Auto-Stop Description: How do I install an auto-stop on the MCH6 Gas compressor?Watch
Auto-Stop Description: How do I install an auto-stop on the MCH6 Electric compressor?Watch
Auto-Drain Description: How do I install an auto-drain on the MCH6 Electric compressor?Watch
Auto-Drain Description: How do I install an auto-drain on the MCH6 400V Electric compressor?Watch
Hour Meter Description: How do I install an MCH6 compressor hour meter?Watch
First Description: How do I disassemble/assemble the MCH6 compressor first stage?Watch
Second Description: How do I disassemble/assemble the MCH6 compressor second stage?Watch
Third Description: How do I disassemble/assemble the MCH6 compressor third stage?Watch
Fourth Description: How do I disassemble/assemble the MCH6 compressor fourth stage?Watch
Crankshaft Description: How do I disassemble the MCH6 compressor crankshaft?Watch
Crankshaft Description: How do I assemble the MCH6 compressor crankshaft?Watch
Pump Description: How do I replace the MCH6 pumping unit (block)?Watch
Disassembly Description: How do I completely disassemble the MCH6 compressor?Watch
Motor Description: How do I replace the MCH6 electric motor?Watch
No results in this section.
MCH13–MCH16 Compressor
Keyword
Description
Link
Installation Description: How do I install and maintain the MCH16 compressor?Watch
Installation Description: How do I run the SMART compressor for the first time?Watch
Maintenance Description: How do I maintain the SMART MCH16 compressor?Watch
Maintenance Description: What is the ordinary maintenance on the SMART compressor?Watch
Mini Tech Description: How do I operate the Nuvair Mini Tech compressor?Watch
Filter Description: How do I replace the air intake filter on MCH13–MCH16 compressors?Watch
Filter Description: How do I change the air purification filters of MCH13–MCH16 Electric compressors?Watch
Filter Description: How do I change the MCH13–MCH16 Maxfilter cartridge (activated carbon/molecular sieve)?Watch
Lubrication Description: How do I change the oil on MCH13–MCH16 Electric compressors?Watch
Belt Description: How do I change the belt of MCH13–MCH16 Electric compressors?Watch
Fan Description: How do I remove replace MCH8–MCH16 fan flywheel built after 12/2006?Watch
Fan Description: How do I disassemble/assemble the cooling fan on MCH13–MCH16 compressors?Watch
Pipes Description: How do I disassemble/assemble cooling pipes on MCH13–MCH16 compressors?Watch
Plate Description: How do I maintain the MCH13–MCH16 filter mounting plate ("hold-filters plate")?Watch
Crankshaft Description: How do I disassemble the MCH13–MCH16 crankshaft?Watch
Crankshaft Description: How do I assemble the MCH13–MCH16 crankshaft?Watch
Switchboard Description: How do I install the automatic switchboard on MCH13–MCH16 Electric compressors?Watch
First Description: How do I disassemble/assemble the MCH13–MCH16 compressor first stage?Watch
Second Description: How to I disassemble/assemble the MCH13–MCH16 compressor second stage?Watch
Third Description: How do I disassemble/assemble the MCH13–MCH16 compressor third stage?Watch
Valves Description: How do I disassemble/assemble MCH13–MCH16 second stage valves?Watch
Valves Description: How do I replace MCH13–MCH16 compressor third stage valves?Watch
Piston Description: How do I disassemble/assemble MCH13–MCH16 compressor third stage pistonWatch
Red Head Description: How do I install an MCH13–MCH16 Red Head valve?Watch
Lap Description: How do I lap MCH13–MCH16 Red Head valves?Watch
Block Description: How do I disassemble the MCH13–MCH16 compressor unit (block)?Watch
Block Description: How do I assemble the MCH13–MCH16 compressor unit (block)?Watch
ERGO TPS Description: Can you tell me more about the ERGO TPS series of compressors?Watch
No results in this section.
MCH20–MCH24 Compressor
Keyword
Description
Link
Second Description: How do I change MCH20–MCH24 second stage valves?Watch
No results in this section.
MCH22–MCH45 Compressor
Keyword
Description
Link
Installation Description: How do I install and run the MCH22–MCH45 vertical compressor?Watch
Maintenance Description: How do I regularly maintain the MCH22–MCH45 compressor?Watch
Blue Head Description: How to I assemble the MCH36 Blue Head?Watch
Head Description: How do I assemble an MCH36 head?Watch
Fourth Description: How do I replace an MCH30–MCH36 fourth stage?Watch
No results in this section.
Nuvair Voyager Nitrox Systems
Keyword
Description
Link
Overview Description: How does the Nuvair Voyager II, III, and IV work?Watch
Operation Description: How do I run the Nuvair Voyager II Nitrox SystemWatch
Operation Description: How do I operate the Nuvair Voyager Nitrox System?Watch
Maintenance Description: How do I maintain the Nuvair Voyager Nitrox System?Watch
No results in this section.
Fittings
Keyword
Description
Link
Type Description: Do I have a COMPRESSION or JIC fitting?Open PDF
Sizing Description: JIC Thread Size ChartOpen JPG
O-ring Description: ORX017 O-ring for 955 check valve and GO26 Boss coupling adapterOpen PDF
No results in this section.
Installation, Operation & Maintenance (General)
Keyword
Description
Link
Aftercoolers Description: How effective are compressor aftercoolers?Watch
Air/Gas Tests Description: What air and gas standard tests can Nuvair conduct?Open PDF
Antivirus Description: Norton Antivirus False Positive Error: Nuvair.com is SafeOpen PDF
Auto Drains Description: How do I troubleshoot Nuvair Auto Drains?Open PDF
Auto Drains Description: Coltri Auto Drain Seal/Poppet ComparisonsOpen PDF
Auto Stop Description: How do I install a digital pressure switch upgrade?Watch
Check Valves Description: Coltri Check Valves 955 & SC000492 O-Ring DisambiguationOpen PDF
Compressors Description: Start-Up Warranty Registration Form for authorized compressor start-up personnel.Open PDF
Connection Description: How do I connect an LP nitrox compressor to a high pressure compressor?Watch
EK76 Description: How do I check/change oil on an EK76 low pressure compressor?Watch
Fill Containment Description: How do I adjust fill containment station (blast cabinet) pneumatic door controllers?Open PDF
Hyperfilter Description: How do I replace the molecular sieve in the reusable Hyperfilter cartridge?Watch
Hyperfilter Description: How do I replace activated carbon and molecular sieve in the reusable Hyperfilter cartridge?Watch
Maxifilter Description: How do I replace activated carbon in the reusable Maxifilter cartridge?Watch
Maxifilter Description: How do I replace the molecular sieve in the reusable Maxifilter cartridge?Watch
Maxifilter Description: How do I replace activated carbon, CO catalyst, and molecular sieve in the reusable Maxifilter cartridge?Watch
Megafilter Description: How do I replace the molecular sieve in the reusable Megafilter cartridge?Watch
Megafilter Description: How do I replace activated carbon in the reusable Megafilter cartridge?Watch
Megafilter Description: How do I replace activated carbon and molecular sieve in the reusable Megafilter cartridge?Watch
Nitrox Description: Low Nitrox Percentage Output Troubleshooting GuideOpen PDF
PayPal Description: Using PayPal (with or without a PayPal account) to pay for Nuvair.com purchases.Open PDF
13-00-0147 Description: How do I maintain Pressure Maintaining Valve 13-00-0147?Open PDF
13-00-0127/R Description: How do I maintain Pressure Maintaining Valve 13-00-0127/R?Open PDF
Q325 Belt Guard Description: How to I install a belt guard support bracket on Quincy 325 diesel and electric compressors?Open PDF
Racks & Frames Description: What is the certification process for tank racks and equipment frames?Open PDF
Filter Elements Description: Walker Filtration After-Market Element Replacement GuideOpen PDF
No results in this section.
Serial Number Description: Finding a Compressor Serial NumberOpen PDF
No results in this section.
EK76 Description: EK76 Tool Size Reference SheetOpen PDF
No results in this section.
