Symptom

Possible Cause

Possible Solution

 

 

 

 

 

Loud repetitious noise

1.

Pulley setscrews or keys

1.

Inspect keys and set-

coming from air com-

 

are missing or loose.

 

screws. Replace or

pressor.

 

 

 

tighten if necessary.

 

2.

Motor fan is hitting the

2.

Adjust fan cover mounting

 

 

cover.

 

position, tighten fan, or

 

 

 

 

shim fan cover.

 

 

 

 

 

Low pressure at the

1.

Pressure regulator.

1.

Adjust pressure regulator,

tool.

 

 

 

if no improvement, inspect

 

 

 

 

regulator for leaks or

 

 

 

 

replace.

 

2.

Air leaks in hoses.

2.

Check air hoses and all

 

 

 

 

connections for leaks (see

 

 

 

 

Page 22).

 

3.

Pressure gauge bad.

3.

Replace the pressure

 

 

 

 

gauge.

 

4.

Pressure switch turns the

4.

Adjust the pressure switch

 

 

motor OFF too soon.

 

(see Page 23)

 

 

 

 

 

Low pressure at the

1.

Air leaks in tanks or deliv-

1.

Check air tanks, pipes and

tanks, or tank pressure

 

ery pipes.

 

all connections for leaks

drops after compressor

 

 

 

(see Page 22).

is turned OFF.

2.

Drain valve open.

2.

Close drain valve.

 

3.

Air filter clogged.

3.

Inspect and clean air filter.

 

4.

Leaking check valve.

4.

Repair the check valve

 

 

 

 

(see Page 22).

 

5.

Pressure relief valve

5.

Replace pressure relief

 

 

releasing below 120 PSI.

 

valve.

 

6.

Gaskets leaking.

6.

Check gaskets on cylinder

 

 

 

 

head assembly, repair or

 

 

 

 

replace as needed.

 

7.

Worn rings.

7.

Inspect and replace pump

 

 

 

 

piston rings.

 

8.

Pressure switch turns the

8.

Adjust the pressure switch

 

 

motor OFF too soon.

 

(see Page 23).

 

 

 

 

 

Compressor knocking.

1.

Improper oil level.

1.

Check oil level and add oil

 

 

 

 

(see Page 10).

 

2.

Air filter clogged.

2.

Inspect and clean air filter.

 

3.

Piston assembly loose.

3.

Inspect and repair piston

 

 

 

 

and connecting rod.

 

 

 

 

 

Pressure relief valve

1.

Pressure switch adjusted

1.

Adjust the pressure switch

stays open and motor

 

too high.

 

(see Page 23)

won’t stop running.

2.

Faulty pressure switch,

2.

Turn compressor OFF,

 

 

unit is trying to overpres-

 

unplug from power sup-

 

 

sure the tank.

 

ply, and empty tank.

 

 

 

 

DO NOT USE until switch

 

 

 

 

is replaced.

 

3.

Faulty pressure relief

3.

Relief valve is reliev-

 

 

valve.

 

ing pressure too early.

 

 

 

 

Replace pressure relief

 

 

 

 

valve.

 

 

 

 

 

-20-

Model G0471 3 HP Air Compressor

Page 21 Page 23
Page 22
Image 22
Grizzly G0471 instruction manual See
Page 21 Page 23

G0471 specifications

The Grizzly G0471 is a high-performance bandsaw designed for woodworkers and metal fabricators alike, showcasing a robust construction and a host of features that enhance its operational efficiency. This versatile machine combines power with precision, making it an indispensable tool in workshops.

One of the standout features of the G0471 is its powerful 3 HP motor, which facilitates cutting through various materials with ease. The motor operates on both single-phase and three-phase power options, catering to a wide range of workshop setups. Its exceptional cutting capacity allows users to tackle both intricate and large-scale projects, making it suitable for diverse applications, including furniture making, cabinetry, and metalworking tasks.

The machine boasts a remarkable cutting height of 12 inches, providing a spacious work area for accommodating thicker materials. It also features a 17-inch throat depth, allowing for wider cuts and the capacity to work on larger pieces. The table is made from cast iron, offering durability and stability while also being designed to minimize vibration during operation, which contributes to smoother cuts.

One of the notable technological aspects of the G0471 is its precision tracking system, which ensures that the blade remains aligned throughout the cutting process. This feature significantly reduces the risk of blade drift, enhancing accuracy and leading to cleaner cuts. Moreover, the adjustable blade tensioning system is user-friendly, allowing for quick adjustments as required.

The G0471 also includes a quick-release blade system, making blade changes simple and efficient. The onboard measuring scales and high visibility blade guides help users set up their cuts swiftly and accurately, further improving productivity.

Safety is paramount in the design of the G0471, incorporating features such as a blade guard system and an emergency stop switch that ensures immediate shutdown if needed. Overall, the Grizzly G0471 is a powerhouse of a bandsaw that merges reliability with precision, providing woodworkers and metal fabricators with the tools they need to elevate their craftsmanship. Whether for hobbyist projects or professional production work, the G0471 stands out as an essential addition to any workshop, promoting efficiency without compromising quality.
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