North Star M51481A Owner'S Manual Download Page 16

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Parts List – Model 51481 Rev A

Ref#

Part#

Description

Qty

794951

Cylinder head

794952

Allen bolt set

794953

Plug

794954

Exhaust elbow

794955

Cylinder head gasket

794956

Exhaust valve seat assembly

794957

Valve seat gasket

N/A

Cylinder liner

N/A

Cylinder

N/A

Cylinder gasket

N/A

Rod set

794958

Allen bolt set

N/A

Motor set

N/A

Front cover

N/A

Front cover gasket

794959

Air filter set

N/A

Filter element

794960

Bolt

N/A

Air tank

794961

Rubber pad set

N/A

Hexagon bolt set

N/A

Body seat block

794962

Grip

788886

Drain Valve

N/A

Plug

N/A

Check valve

N/A

Unloading elbow

N/A

Unloading tube set

N/A

Soft tube

794963

Pressure switch

794964

Safety relief valve (150 psi)

N/A

Plug

N/A

Nipple

794965

Regulator

794966

Pressure gauge

794967

Quick coupler (M style)

794968

Fuse seat

794969

Fuse

794970

Cable

794971

NorthStar Decal

* Not Shown

Summary of Contents for M51481A

Page 1: ... breathing unless air is treated in accordance with applicable standards Fire Explosion Sparks from air powered tool heads or attachments can ignite fuel or other flammable liquids or vapors in the vicinity Exceeding the maximum pressure for air tools or attachments could cause them to explode Burns Compressor pump motor and discharge tubing are hot surfaces that can cause burn injuries Electric S...

Page 2: ... Hose and Tool Use 11 Pressure Control Related Devices 11 Compressor Tool Requirements 11 Attaching Disconnecting Air Hose and Tools 11 Using Compressor for Spraying 11 Flammable Materials 11 Moisture in Compressed Air 11 Shutdown 12 Procedure 12 For Malfunction During Operation 12 Maintenance Repair 13 Maintenance Schedule Summary 13 Detailed Instructions Maintenance Repair 13 Inspect Safety Reli...

Page 3: ...peration including safety glasses with side and top protection Adult Control Only Only trained adults should set up and operate the air compressor Do not let children operate Under The Influence Never operate or let anyone else operate the air compressor while fatigued or under the influence of alcohol drugs or medication Keep this manual for reference and review ATTENTION Rental Companies and Pri...

Page 4: ...Amps Battery Size minimum 50 Ah Horsepower 3 4 HP Maximum Working Pressure 135 PSI Volume Rating 0 85 CFM 135 PSI 1 30 CFM 90 PSI 2 00 CFM 40 PSI Continuous Use 72 F 100 PSI 60 Minutes Maximum Ambient Temperature 122 F Minimum Ambient Temperature 14 F Noise Decibel Level 77 dBA Dimensions in 14 2 L x 13 W x 12 2 H Weight lbs 31 5 ...

Page 5: ...d dry air supply this filter must always be clean and the ventilation opening free from obstructions 7 Tank Drain Valve The tank drain valve is used to remove moisture from the air after the compressor is shut off and the air is emptied from the tank Drain the moisture daily after each use 8 Cable with Alligator Clip The cable has been connected to a 10AWG fuse holder with 50A fuse Connect the RED...

Page 6: ...ous situation which if not avoided will result in death or serious injury WARNING orange indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION yellow used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury CAUTION yellow without the safety alert symbol is used to address practices...

Page 7: ...label is missing or not legible order new labels from NorthStar Product Support at 1 800 270 0810 On Product Warning Labels Location Part numbers Description 1 792177 Corrosion Hazard 2 789060 Electrical Shock Hazard 3 792174 Breathing Hazard 4 795003 Name Plate 5 795004 Pressure Switch On Off 6 794971 Heat Warning 1 2 3 4 5 6 ...

Page 8: ...8 Safety Decals To order replacement safety labels call NorthStar Product Support at 1 800 270 0810 1 2 3 4 5 6 ...

Page 9: ...zed since it will slide or shift during operation if not secured Place the compressor as CLOSE TO THE BATTERY as possible so the length of lead wire required is kept to a minimum Airflow Provide access to adequate clean and unobstructed airflow for cooling and air supply Remember the supply air is passing through the compressor supply hoses and tools These can be damaged or have a shortened life i...

Page 10: ...ular maintenance has been performed as prescribed in Maintenance Repair section Drain receiver tank of any moisture Check for any unusual noise vibration Ensure the area around compressor is free from rags tools debris and flammable or explosive materials Ensure covers are securely in place WARNING Entanglement hazard Do NOT operate with protective covers or guards removed Beneath these covers are...

Page 11: ...ream hazard High pressure air stream can pierce skin and underlying tissues leading to serious injury and possible amputation Such an injection injury can result in blood poisoning and or severe tissue damage High pressure air stream can also cause flying debris and possible surface damage CAUTION Air tools hazard Do not attach air tools to open end of the hose until start up is completed and the ...

Page 12: ...ure buildup in the air tank Serious injury or death may occur from a tank explosion caused by moisture induced tank corrosion For Malfunction During Operation Immediately turn off the compressor if any of the following conditions arise during operation Excessive change in motor speed slow or fast Overheating Excessive vibration Unusual noise Flame or smoke Air leakage Pull ring on safety valve to ...

Page 13: ...ure rating Inspect Air Filter Inspect the compressor s air filter on a weekly basis A dirty air filter will not allow the air compressor to operate at full capacity Clean air filter if dirty and restricted air flow Replace every 12 months or 1000 hours whichever comes first Note Do not operate with the air filter removed Keep Compressor Clean Do not allow air intakes to become blocked If dust or d...

Page 14: ...arge Excessive water in air tank Drain tank tilt tank to drain Drain tank more frequently High ambient temperature and or humidity Move compressor to area with less humidity or use airline filter Compressor runs continuously causing safety relief valve to open Defective pressure switch or improper adjustment Check for proper adjustment and if problem persists replace pressure switch Defective safe...

Page 15: ...15 Parts List Model 51481 Rev A ...

Page 16: ... Front cover gasket 1 16 794959 Air filter set 1 17 N A Filter element 1 18 794960 Bolt 4 19 N A Air tank 1 20 794961 Rubber pad set 4 21 N A Hexagon bolt set 4 22 N A Body seat block 4 23 794962 Grip 1 24 788886 Drain Valve 1 25 N A Plug 2 26 N A Check valve 1 27 N A Unloading elbow 1 28 N A Unloading tube set 1 29 N A Soft tube 1 30 794963 Pressure switch 1 31 794964 Safety relief valve 150 psi ...

Page 17: ...equal function Any misuse abuse alteration or improper installation or operations will void warranty Determining whether a part is to be replaced or repaired is the sole decision of NorthStar NorthStar will not provide for replacement of complete products due to defective parts Any costs incurred due to replacement or repair of items outside of a NorthStar approved facility is the responsibility o...

Page 18: ...18 Distributed by Northern Tool Equipment Company Inc Burnsville MN 55306 www northerntool com Made in Taiwan ...

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