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Air Compressor Pump
Item # 45929 & 45930
®
M35982F
OWNER’S MANUAL
Quick Facts
Pump Oil
Maximum
RPM
Minimum
Horsepower
Displacement 45929: 11.3 CFM
CFM @ 90 psi 45929: 8.2
Rotation Pump crankshaft MUST rotate in direction of arrow cast into flywheel.
Drive Belt Flywheel requires “A” style belt
Air Flow Belt guard MUST allow maximum air flow past pump.
Check pump oil level before starting.
Use Non-detergent pump oil (item # 35605).
45929: 1570 RPM (700 RPM Minimum)
45930: 1450 RPM (700 RPM Minimum)
45929: 5.0 hp gas engine, 3.0 hp electric motor
45930: 5.5 hp gas engine, 4.0 hp electric motor
45930: 16.9 CFM
45930: 13.2
Any Questions, Comments, Problems, or Parts Orders
Call NorthStar Product Support 1-800-270-0810
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THANK YOU
Thank you for purchasing a NorthStar compressor pump. Your pump is designed for
long life, dependability, and the top performance you demand. Please take time now to
read through this manual so you can better understand the pump’s safety precautions.
Everyone who uses this pump must read and understand this manual. Enjoy the
exceptional performance of your NorthStar pump.
IMPORTANT
Make certain the operator:
- Reads and understands the manuals pertaining to this tank.
- Is instructed in safe and proper operation of this air compressor tank.
NOTICE
Northern Tool + Equipment reserves the right to make improvements in design and/or
changes in specifications at any time without incurring any obligation to install them on
units previously sold.
WARNINGS
ALWAYS bleed pressure from tank before servicing.
ALWAYS use air handling parts that are rated above the maximum allowable working
pressure of the tank.
ALWAYS drain tank daily or after each use. Rusted tanks can cause explosion and
cause severe injury or death.
ALWAYS read your owners manual before operating.
ALWAYS use at least one ASME safety relief valve rated at 200 psi or below.
ALWAYS use an ASME certified air receiver tank.
ALWAYS use Teflon tape on all treads to reduce leaks.
NEVER exceed the nameplate rating of the tank (200 psi working pressure). Exceeding
this rating can cause explosion and cause severe injury or death.
NEVER operate machine without a belt guard in place.
NEVER bypass, modify, or remove safety/relief valves.
NEVER direct air stream at people or animals
NEVER modify or repair tank, obtain an ASME replacement from a service center or
Product Support at 1-800-270-0810.
NEVER breathe receiver air. Can contain Carbon Monoxide or other contaminants.
Will cause serious injury or death.
NorthStar air compressor tanks are not designed for breathing air.
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COMPRESSOR LUBRICATION
CAUTION! Do not operate without lubricant or with inadequate lubricant.
Use of compressor without lubricant or inadequate lubricant voids all warranties.
Synthetic Lubricants
Synthetic lubricants are recommended after 50 hour break-in. Compressor life is greatly increased with the
use of synthetic lubricants. CAUTION! If you will be using synthetic lubricant, all downstream piping material
and system components must be compatible.
Suitable Viton®, Teflon®, Epoxy (Glass Filled), Oil Resistant Alkyd, Fluorosilicone, Flourocarbon,
Polysulfide, 2-Component Urethane, Nylon, Delrin®, Celcon®, High Nitrile Rubber (Buna N. NBR more
than 36 Acrylonite), Polyurethane, Polyethylene, Epichlorohydrin, Polyacrylate, Melamine,
Polypropylene, Baked Phenolics, Epoxy, Modified Alkyds
( ® indicates trademark of DuPont Corporation)
Not Recommended
Neoprene, Natural Rubber, SBR Rubber, Acrylic Paint, Lacquer, Varnish, Polystyrene, PVC, ABS,
Polycarbonite, Cellulose Acetate, Latex, EPR, Acrylics, Phenoxy, Polysulfones, Styrene Acrylonitile
(San), Butyl
Alternate Lubricants.
You may use petroleum-based lubricant that is premium quality, does not contain detergents, contains only
anti-rust, anti-oxidation, and anti-foam agents as additives, has a flashpoint of 440°F (227°C) or higher, and
has a auto-ignition point of 650°F (343°C) or higher.
See the petroleum lubricant viscosity table below. The table is intended as a general guide only. Heavy duty
operating conditions require heavier viscosities. Refer specific operating conditions to NorthStar Product
Support at 1-800-270-0810
Temperature
around
Compressor
Below 40°F (4°C)
40°F to 80°F
(4°C to 27°C)
80°F to 100°F
(27°C to 37°C)
Pump Capacities.
Refer to the following table for crankcase capacity
Item # Crankcase Capacity
45929 24 oz.
45930 36 oz.
Viscosity Grade
ISO SAE
100 30
100
150
30
40
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779100 & 779101 Pump Assembly
Ref Description Model Part # Qty
1 Head
Head Bolt
2
(M8 x 45mm SHCS)
3 Aftercooler Gasket ALL AB3670200 1
4 Aftercooler, 118mm ALL AB2870100 1
Aftercooler Bolt
5
(M6 x 20mm SHCS)
6 Head Gasket ALL AB2850400 1
7 Valve Plate Assembly ALL AB2840050 1
8 Cylinder Gasket ALL AB2850300 1
9 Reducer ALL AB9050283 1
10 Cylinder
11 Crankcase Gasket ALL AB3650201 1
12 Cover N.D.E. ALL AB2060690 1
13 Bearing Cover Gasket ALL AB2050500 2
14 Bearing ALL AB9170030 2
15 Oil Sight Glass ALL AB9022001 1
16 Crankcase
Cylinder Bolt
17
(M6 x 20 mm SHCS)
18 Oil Drain Plug ALL AB9101154 1
Crankcase Bottom Bolt
19
(M5 x 15mm HHCS)
20 Oil Pan
45929 AB2860400 1
45930 AB3860400 1
ALL AB9101594 6
ALL AB9101144 2
45929 AB2830000 1
45930 AB3630000 1
45929 AB2860100 1
45930 AB3660100 1
ALL AB9107254 6
ALL AB9119273 8
45929 AB2660160 1
45930 AB3660160 1
00896
Ref Description Model Part # Qty
45929 AB2650101 1 21 Oil Pan Gasket
45930 AB3650100 1
22 Crankshaft
23 Cover D.E. ALL AB2060590 1
24 Oil Seal ALL AB9163010 1
25 Screw, Reverse Thread ALL AB9110014 1
26 Flywheel Washer ALL AB9004008 1
Flywheel, 280 mm 45929 AB2600100 1
27
Flywheel, 350 mm 45930 AB3600100 1
28 Bearing Housing Bolt
(M6 x 15mm SHCS)
29 Connecting Rod
30 Circlip ALL AB9140040 4
31 Pin ALL AB3021200 2
32 Piston
33 Piston Ring, ROF ALL AB9020071 1
34 Piston Ring, ROS ALL AB9020041 1
35 Piston Ring, AC ALL AB9020011 1
36 Breather Cap ALL AB9024003 1
37 Filter Assembly ALL AB2281000 1
Filter Assembly Bolt
38
(M6 x 30mm SHCS)
Complete Gasket Kit
45929 AB2860200 1
45930 AB3660200 1
ALL AB9101094 8
45929 AB2810100 2
45930 AB3610100 2
45929 AB1421100 2
45930 AB1021100 2
ALL AB9114279 2
45929 AB2850055 1
45930 AB3650055 1
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Air Compressor Exploded View
Note: We have included this exploded view of one of our air compressors to aid you in re-building your air
compressor. You can order any of the parts seen below by calling our Product Support at 1-800-270-0810.
Item Description Item Description
1 Belt Guard 20 5/8” Axle
2 Decal 21 Tire
3 GX Honda Decal 22 5/8” Jam Nut
4 Decal 23 5/8” Nut
5 Rotating Equip. Decal 24 Safety Valve, 150 psi
6 Stand-off 25 Skid Mount Leg
7 Guard Bracket 26 Unloader, 100-130 psi
8 Belt, A53 27 5/8” Compression Sleeve
9 Pump, B2800B 28 5/8” Compression Nut
10 Left Handle 29 5/8” Copper Tube
11 Right Handle 30 1/2” Elbow
12 Rubber Grip 31 Engine, Honda GC160
13 Drain Valve 32 Idle Solenoid Cable
14 33 CO Warning Decal
15 8 Gallon Tank 34 Nameplate
16 3/8” NPT Male Elbow 35 Operation Instr. Decal
17 3/8” Ball Valve 36 Warning Hot Decal
18 Decal 37 H Bushing
19 Air Gauge, Liquid Filled
38 Sheave, AK49K
00890
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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 all mechanical equipment this unit requires a due amount of care.
Treat this unit like the high quality piece of machinery it is. Neglect and improper handling may impair its
performance. Please thoroughly read the instructions and understand the operation before using your product.
Limited Warranty
NorthStar shall warranty any piece of equipment manufactured, or parts of equipment manufactured, to be free
from defects in material or workmanship for a period of 90 days for noncommercial/nonrental use and a period
of 90 days for commercial/rental use from the date of purchase by user.
NorthStar shall warranty any wear item, including, but not limited to, valves, seals, pump diaphragms, hoses, and
filter elements to be free from defects in material or workmanship for a period of 90 days from the date of
purchase by user. This warranty applies to the original purchaser of the equipment and is non transferable.
Verification of purchase is the responsibility of the buyer. Parts will be replaced or repaired at no charge, except
when the equipment has failed due to lack of proper maintenance. 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.
NOTE: Some services performed by parties other than NorthStar may void warranty.
This warranty covers parts only. It will not provide for replacement of complete products due to defective parts.
Components not manufactured by NorthStar are guaranteed by their manufacturer and can be serviced at factory-
authorized locations near you. Any costs incurred due to replacement or repair of items outside of a NorthStar
approved facility is the responsibility of the buyer and not covered under warranty. NorthStar can supply you
with the service center location in your area.
This warranty specifically excludes the following; failure of parts due to damage caused by accident, fire, flood,
windstorm, acts of God, applications not approved by NorthStar in writing, corrosion caused by chemicals, use
of replacement parts which do not conform to manufacturer’s specifications, and damage caused by vandalism.
Additional exclusions: loss of running time, inconvenience, loss of income, or loss of use, including any implied
warranty of merchantability of fitness for a specific use.
Warranty does not cover items subject to normal wear such as tires, receptacles or any part subject to direct
physical contact by the public. This warranty does not cover any personal injury or damage to surrounding
property caused by failure of any part.
This warranty is in lieu of any other warranty expressed or implied and NorthStar assumes no other
responsibility or liability outside that expressed within this warranty.
Please fill in the following information and have it on hand when you call in on a warranty claim.
Customer Number: ______________________________________________________________
Date of Purchase: _______________________________________________________________
NorthStar Serial Number: ________________________________________________________
Item Number: __________________________________________________________________
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Manufactured by
Northern Tool + Equipment Co.,
2800 SouthCross Drive West
P.O. Box 1499 Burnsville, MN 55337-0499
®
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