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  5. Owner's Manual

North Star 25653 Owner's Manual - Operation

Summary of 25653

  • Page 1

    1 m25653c.3 owner’s manual electric portable air compressor (115v/15a or 230v/7.5a, single phase/20 gallon, 2 hp) (115v/15a or 230v/7.5a, single phase/11 gallon, 1 hp) instructions for installation/set-up, operation, maintenance, & storage northstar® models 25653 and 25654 belt-driven compressors ha...

  • Page 2: Table of Contents

    2 table of contents equipment protection quick facts ........................................................................................................................................ 1 table of contents .............................................................................................

  • Page 3

    3 parts list – model 25654 rev c.3 ............................................................................................................................. 22 788876 pump explosion rev c.3 .............................................................................................................

  • Page 4: About Your Air Compressor

    4 about your air compressor thank you for purchasing a northstar air compressor! It is designed for long life, dependability, and top performance. Intended use. Provides compressed air used primarily for operating air tools and pressurizing other objects that require high air pressure, such as tires...

  • Page 5: Specifications

    5 specifications model model # 25653 25654 48578 flow output max. Pressure rating 135 psi 135 psi 135 psi volume rating 4.8 cfm @100 psi 5.0 cfm @ 90 psi 6.0 cfm @ 40 psi 4.8 cfm @100 psi 5.0 cfm @ 90 psi 6.0 cfm @ 40 psi 3.1 cfm @ 90 psi 3.8 cfm @ 40 psi receiver capacity 20 gal. 20 gal. 11 gal. Po...

  • Page 6: Component Identification

    6 component identification 1. Regulator: controls outlet pressure. 2. Discharge tube: carries compressed air from pump to safety/check valve, and then to the storage tank. It becomes very hot during use and can cause severe burns. Never touch. 3. Air compressor pump: shipped with oil. 4. Compressor ...

  • Page 7: Safety Signal Words

    7 safety signal words hazard signal word definitions danger warning caution caution notice this is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. Danger (red) indicates a hazar...

  • Page 8: Safety Labeling

    8 safety labeling safety decal locations warning: always make sure safety labels are in place and in good condition. If a safety 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 792174 br...

  • Page 9

    9 safety decals to order replacement safety labels, call northstar product support at 1-800-270-0810. 3 1 4 2 5 6.

  • Page 10: Initial Set-Up

    10 initial set-up step 1. Inspect & unpack upon receipt, inspect air compressor for missing or damaged parts. Verify that it is the compressor you ordered. See “component identification” section of this manual for a diagram of the compressor and its components. For missing components, contact produc...

  • Page 11

    11 step 3. Select suitable location warning: lifting hazard the compressor is heavy. Ensure that proper lifting equipment is available to unload and move compressor to installation site. Location criteria: where no flammable vapors, dusts, and gases are present. At least 18” away from walls and othe...

  • Page 12: Operation

    12 operation follow operation safety rules before starting the compressor, review the safety rules found below and throughout the manual. Warning failure to follow safety rules may result in serious injury or death to the operator or bystanders. Instruct operators. Owner must instruct all operators ...

  • Page 13

    13 model 48578 figure 5 the compressor pump capacity is 7.5 oz. Use sae 30 non-detergent pump oil (part #4043) prior to break-in. You may use synthetic lubricants after 50 hour break-in. See “lubricants and compatibility” for a list of suitable and alternative lubricants. Start-up procedures caution...

  • Page 14

    14 caution: air tools hazard do not attach air tools to open end of the hose until start-up is completed and the unit checks out ok. Quick connect procedure: keep finger off tool or activation switch until ready to use. Pull quick connect collar back (figure 7a). Push hose or attachment firmly again...

  • Page 15: Maintenance & Repair

    15 maintenance & repair warning: maintenance hazards always disconnect, lock out and tag the main power supply and then release air pressure from the receiver tank before cleaning, adjusting, or servicing the compressor. Make sure all guards and shields are replaced before re-starting. Maintenance s...

  • Page 16

    16 change pump oil warning: burn hazard never open oil fill port while compressor is running. Hot oil can spray over face and body. Change oil after the first 50 hours of use then every 3 months or 500 hours;change pump oil while crankcase is still warm. (see “appendix a: lubricants and compatibilit...

  • Page 17

    17 important if a part needs replacement, only use parts that meet the manufacturer’s part number specifications. Replacement parts that do not meet specifications may result in a safety hazard or poor operation of the compressor. Major service, including installation or replacement of parts, should...

  • Page 18: Troubleshooting

    18 troubleshooting this section provides a list of the more frequently encountered compressor malfunctions, their causes and corrective actions. Some corrective actions can be performed by the operator or maintenance personnel, but others may require assistance of a qualified electrician or service ...

  • Page 19

    19 parts explosions – model 25653 rev c.3 * pump not shown on this parts explosion note: northstar tank decal part # 792438 (no shown).

  • Page 20

    20 parts list – model 25653 rev c.3 ref# part# description qty ref# part# description qty 1 n/a air tank 1 18 791566 motor 1 2 788886 drain valve 1 19 788895 motor feet set bolt (4 pcs) 1 3 kit # 1 tank wheel bolt 2 20 kit # 6 motor pulley 1 4 tank wheel 2 21 bolt 2 5 kit # 2 rubber pad set 2 22 788...

  • Page 21

    21 parts explosions – model 25654 rev c.3 * pump not shown on this parts explosion note: northstar tank decal part # 792438 (no shown).

  • Page 22

    22 parts list – model 25654 rev c.3 ref# part# description qty ref# part# description qty 1 n/a air tank 1 18 791566 motor 1 2 788886 drain valve 1 19 788895 motor feet set bolt (4 pcs) 1 3 kit # 1 tank wheel bolt 2 20 kit # 2 motor pulley 1 4 tank wheel 2 21 bolt 2 5 kit # 4 rubber pad set 2 22 788...

  • Page 23

    23 788876 pump explosion rev c.3 * wing nut for # 28 not shown.

  • Page 24: 788876 Pump Kits Rev C.3

    24 788876 pump parts list rev c.3 788876 pump kits rev c.3 ref# part# description qty kit # 1 788877 cylinder head 2 n/a 2 n/a allen bolt set 8 n/a 3 n/a in.& ex. Valve assembly 2 n/a 4 n/a double head screw set 8 n/a 5 n/a cylinder 2 n/a 6 n/a cylinder gasket 2 kit # 1 & kit # 2 7 n/a piston ring s...

  • Page 25

    25 parts list – model 48578 rev c.3.

  • Page 26

    26 parts list – model 48578 rev c.3 ref# part# description qty ref# part# description qty 1 n/a air tank 1 17 kit # 8 cable 1 2 788886 drain valve 1 18 power cable 1 3 kit # 1 tank wheel bolt 2 19 kit # 4 pressure switch 1 4 tank wheel 2 20 pressure relief valve 1 5 kit # 2 rubber pad set 2 21 79236...

  • Page 27

    27 792353 pump exploded view rev c.3.

  • Page 28

    28 792353 pump parts list rev c.3 note: kit qty is the number of kits needed to repair pump. Ref# part# description qty 1 kit # 1 cylinder head 1 2 allen bolt set (m6x40) 4 3 n/a exhaust elbow 1 4 789354 air filter set 1 5 789355 filter element 1 6 792324 kit # 3 in. & ex. Valve assembly 1 7 kit # 2...

  • Page 29

    29 appendix a: lubricants and compatibility the following table lists materials that are suitable or not recommended for use with synthetic oil. As some oil escapes into the compressed air, all components that come into contact with the air (i.E., piping, filters, hoses, tools, etc) must be compatib...

  • Page 30: Limited Warranty

    30 limited warranty dear valued customer: the northstar product you just purchased is built with the finest material and craftsmanship. Use this product properly and enjoy the benefits from its high performance. By purchasing a northstar product, you show a desire for quality and durability. Like al...

  • Page 31

    31 this page left intentionally blank..

  • Page 32

    32 assembled by northern tool & equipment company, inc. Burnsville, mn 55306 northerntool.Com.