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3

Machine Component Identification 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

1. 

Engine Control

 - Location of choke, engine speed and fuel valve.  

2. 

Engine - 

Engine is NOT shipped with oil. Refer to engine owners’ manual for proper viscosity and capacity 

of oil for your engine. 

3. 

Start Switch - 

Make sure switch is at “ON” position, push the start switch to crank engine. 

4. 

On/Off Switch -

 Make sure switch is at “ON” position when starting engine with the recoil. 

5. 

Ball Valve

 - 3/4” NPT. 

6. 

Pressure Gauge - 

Easy to read liquid filled gauge.  

7. 

ASME Safety Valve

 - This valve automatically releases air if the tank pressure exceeds the preset 

maximum.  

8. 

Air Receiver - 

30 gallon ASME certified tank. 

9. 

Pump Oil Drain

 – Drain the pump oil from this plug.  

10. 

Lifting Eyes

 - Also use as tie down locations. 

11. 

Discharge Tube

 - This tube carries compressed air from the pump to the check valve.  This tube 

becomes very hot during use.  To avoid the risk of severe burns, never touch the discharge tube.  

12. 

Drain Valve - 

Location of tank drain valve. Drain tank daily after each use. 

13. 

Unloader 

- Lift knob to relieve pressure when starting the engine.  

14. 

Air Compressor Pump - 

Air compressor pump is shipped with oil. Remove shipping plug and replace with 

oil fill plug in manual bag. 

15. 

Belt Guard

 - Covers the belt, motor pulley and flywheel.  

NEVER

 operate compressor without belt guard. 

16. 

Compressor Air Filter - 

Make sure your air filter is clean and particle free. See pump exploded view for 

replacement filter part number.

 

Summary of Contents for M46851C

Page 1: ...ing any obligation to install them on units previously sold Quick Facts Engine Oil Engine is shipped without oil Fill before starting Use SAE 10W 30 motor oil Pump Oil Check pump oil level before star...

Page 2: ...R use air tools or attachments without first determining the maximum pressure recommended for that equipment NEVER point air nozzles or sprayers toward people or animals NEVER touch the compressor pum...

Page 3: ...certified tank 9 Pump Oil Drain Drain the pump oil from this plug 10 Lifting Eyes Also use as tie down locations 11 Discharge Tube This tube carries compressed air from the pump to the check valve Thi...

Page 4: ...caustic acid can emit explosive gases and can cause electric shock Caution must be exercised when making connections to a battery to avoid shock and contact with the acid and to prevent any sparking t...

Page 5: ...nts with pressure in the tank NOTE Reduce tank pressure below 10 psi then drain moisture from tank daily to avoid tank corrosion Drain moisture from tank by opening the drain petcock located at the bo...

Page 6: ...f valves by pulling rings Replace safety relief valves that do not operate freely Inspect air filter element Clean if necessary Monthly Inspect for air leaks Squirt soapy water around joints during co...

Page 7: ...189 1 14 Drain valve 779577 1 15 Discharge tube 780837 1 16 5 8 comp nut 34724 2 17 5 8 comp sleeve 34723 2 18 5 8 comp elbow 34937 1 Ref Description Part Qty 19 Pump B4900 779102 1 20 Intake manifold...

Page 8: ...1 1 22 Crankcase Gasket AB4950101 1 23 Crankshaft AB4961200 1 24 Nut AB9128234 4 25 Oil Seal AB9163010 1 26 Cover D E AB2060590 1 Item Description Part Qty 27 Cover Bolt M6 x 15 SHCS AB9101094 8 28 Fl...

Page 9: ...9 Pneumatic Schematic Diagram Safety Relief Valve Pump Idle Down Unloader Safety Relief Valve 30 Gallon Tank...

Page 10: ...bricant G Belt tension too tight or sheaves not aligned Check tension alignment H Air leaks in discharge piping Check tubing connections Tighten joints or replace as required I Compressor components l...

Page 11: ...arranty This warranty covers parts only It will not provide for replacement of complete products due to defective parts Components not manufactured by Powerhorse are guaranteed by their manufacturer a...

Page 12: ...12 Manufactured by Northern Tool Equipment Co 2800 SouthCross Drive West P O Box 1499 Burnsville MN 55337 0499...

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