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TIRE INFLATION

This air compressor comes with 1.5 feet heavy duty heat-resistant 
leader   hose   with   1/4”   industrial   series   quick   connect   stud.   By 
attaching an air hose with 1/4” industrial series quick coupler to 
the leader hose, your air compressor is ready to inflate tires. Read 
and   follow  tire   inflation   instructions   carefully   to   avoid   personal 
injury and damage to air compressor or vehicle.

1.

Use heat-resistant, minimum 200PSI-rated  working  pressure 
extension hose. Do not use aftermarket hoses with less than 
200PSI working pressure. Some aftermarket hoses may not be 
suitable   for   use   with   this   air   compressor   due   to   heat   and 
pressure typically generated by this type of air compressors. 

2.

Use of our convenient 25ft. extension coil hose with in-
line   deflator   and   Built-in   Pressure   Gauge   is 
recommended 

(Part No. 00025, 5-in-1 Inline Inflator/Deflator). 

3.

Use   of   a   close-ended   tire   chuck   will   cause   excessive 
pressure buildup if tire chuck is not attached to tire valve 
stem while air compressor is in operation. Always use an 
Open-Ended tire chuck such as the tire chuck equipped 
on   the   Inflator/Deflator   Coil   Hose   (P/N   00025)   for   tire 
inflation. 

4.

Always   inflate   tires   to   manufacturer’s   recommended   tire 
pressures. Exercise extreme caution when driving with aired 
down tires. Re-inflate tires before high speed road way travel. 

MAINTENANCE & REPAIRS

1.

Periodically   check   all   electrical   and   fitting 
connections. Clean and tighten or repair as needed. 

2.

Periodically check all mounting bolts.  Tighten as needed. 

3.

Replace   air   filter   element   periodically.   Replacement 
frequency   depends   on   operating   frequency   and 
operating   environment.   For   frequent   use   in   dusty 
environment, we recommend that you replace air filter 
element at least once a month. 

4.

Regularly   clean   dust   and   dirt   from   compressor 
cooling fins and motor housing. 

5.

Your air compressor is equipped with a permanently 
lubricated,   maintenance-free   motor.   Never   try   to 
lubricate compressor. 

6.

All  repairs  should   be  performed  by  Manufacturer  or 
Manufacturer’s Authorized Service Agencies only. 

CAUTION:

Never touch the air compressor or fittings connected to 

the   air   compressor,   with   bare   hands   during   or 

immediately   after   usage.   The   leader   hose   and   fittings 

connected   to   the   leader   hose   will   become   very   HOT 

during   and   after   use.   If   necessary,   wear   heat   resistant 

gloves to handle fittings, air line, and leader hose.

Summary of Contents for 400H

Page 1: ...ompressor Close supervision is necessary when this compressor is being used near children This compressor will become very HOT during and immediately after use Do not touch any part of this compressor with bare hands other than the ON OFF switch during and immediately after use Do not use this product near flames or explosive materials or where aerosol products are being used Do not operate this p...

Page 2: ...D WIRING 1 Disconnect ground cable from vehicle s battery 2 Temporarily position the air compressor in the location where it will be mounted Route the positive wire to the positive post of the battery Measure and cut positive wire to the appropriate length and use appropriate inline fuse 3 Route ground wire to the negative post of the battery or to an appropriate chassis grounding point and cut gr...

Page 3: ...perations exceeding maximum pressure ratings and or duty cycle will result in damage to air compressor 3 Your air compressor is equipped with an A U T O M A T I C T H E R M A L O V E R L O A D PROTECTOR This feature is designed to protect the air compressor from overheating and causing permanent damage to your air compressor The thermal overload protector will automatically cut power to your air c...

Page 4: ...ed on the Inflator Deflator Coil Hose P N 00025 for tire inflation 4 Always inflate tires to manufacturer s recommended tire pressures Exercise extreme caution when driving with aired down tires Re inflate tires before high speed road way travel MAINTENANCE REPAIRS 1 Periodically check all electrical and fitting connections Clean and tighten or repair as needed 2 Periodically check all mounting bo...

Page 5: ...to Reset Thermal Protection Yes Housing Moisture Dust Resistant Dimensions 11 25 x4 0 x7 0 Net Weight 8 lbs Part No 45042 450H Air Compressor Motor Voltage 12 volts Max Current Consumption 23 amps Motor Type Permanent Magnetic Horse Power 4 Jan Max Working Pressure 150 PSI Max Duty Cycle 100 Min On Off 72ºF 100 PSI Continuous Max Restart Pressure 200 PSI Max Ambient Temperature 158 F Min Ambient T...

Page 6: ...or rattling shaft 2 Cylinder or piston ring is worn 2 Repair or replace compressor Compressor air flow 1 Worn piston ring or inlet valve 1 Repair or replace compressor lower than normal or can not pump to higher pressures LIMITED WARRANTY VIAIR Corporation warrants this product when properly installed and under normal conditions of use to be free from defects in workmanship and materials for a per...

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