UNDERHOOD FEAD Front End Accessory Drive Compressor Bracket

UNDERHOOD FEAD (Front End Accessory Drive) Compressor Bracket Tensioner Idlers Serpentine Belt Crank Pulley

Problem Diagnostics/Troubleshooting Compressor does not run • Oil temperature too high • Oil level too low • No power to clutch • Drive belt broken • Bad clutch ground • Open clutch stator windings • Park brake not engaged

Problem Diagnostics/Troubleshooting Commpressor shuts down on over-temperature • Excessive high ambient air temperature • Engine cooling system malfunction • Restriction in the compressor oil hoses • Low oil level or incorrect oil • Oil temperature probe failure • Control box failure Oil Temperature Probe

Clutch Replacement

Problem Diagnostics/Troubleshooting System over pressurizing Pressure control line plugged or frozen Inlet valve not closing or faulty seat Pressure relief valve is defective Regulator or passage plugged

Problem Diagnostics/Troubleshooting System over pressurizing Regulator or passage clogged Pressure regulator setting too high

Problem Diagnostics/Troubleshooting Belt squeals when system is activated • System is still under pressure Belt Tensioner • Blow-down valve not working or exhaust muffler plugged • Improper belt tension • Belt is glazed • Clutch or Compressor siezed 9

Problem Diagnostics/Troubleshooting Excessive oil in the air • Failed or clogged coalescing separator element • Blocked scavenge line screen or tube. • Excessive oil level (overfilled) • Compressor turned off while running at high speed with air being discharged • Reversed discharge lines Scavenge Tube Scavenge oil return connection System pressure connection Clean air discharge Air/oil mist enters here from separator tank Scavenge Screen

Problem Diagnostics/Troubleshooting Excessive oil in the air • High oil level • Vehicle not within requirements of 15 level • Clogged scavenged line screen

Problem Diagnostics/Troubleshooting Oil discharge out the air filter • Shutting engine off while running at high speed Inlet valve sticking O-ring seat • Inlet valve sticking • Inlet valve O-ring seat leaking Inlet Valve

Problem Diagnostics /Troubleshooting Inlet Control Valve checking for faults • Regulator failure Pressure Adjustment Screw • Oil leakages • Inlet valve worn out • Pressure sensors failure Pressure Bleed Hole Regulator Spring Diaphragm Valve Seat with Orifice

Service Intervals • 500 hour interval or 6 months - Service kit part number A 700205 – Includes air filter, oil filter, 4 ltr jug oil & 1 ltr bottle oil, decal (next service) • 1000 hour interval or 12 months – Service kit part number A 700206 – Includes air filter, oil filter, 4 ltr jug oil & 1 ltr bottle oil, decal (next service) Coalescing filter

Contact Information Technical Support: 1 -888 -241 -2289 tech@vmacair. com Mon-Fri 6 am-4: 30 pm Pacific Parts 1 -800 -738 -8622 Mon-Fri 6 am-4: 30 pm Pacific Email: oem@vmacair. com

Support Online Knowledge Base http: //kb. vmacair. com/ Clutch Diagnostics and Replacement http: //kb. vmacair. com/help/clutch-diagnostics-and-replacement Owner’s Manual http: //vmacair. com/wpcontent/uploads//Manuals/Specialty/sp_owner_1930065_c. pdf Oil MSDS http: //vmacair. com/wp-content/uploads//files/vmac_oil_sds_sheet. pdf

THANK YOU! If you have any questions please contact OEM@vmacair. com 1 -800 -738 -8622 - ask for the OEM Group