Grizzly H3372 instruction manual Troubleshooting, Problem Cause Action

Page 18

TROUBLESHOOTING

 

PROBLEM

 

 

 

CAUSE

 

 

 

 

 

ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pump

motor

 

 

1. Low voltage.

 

 

 

 

1.

Check power line for proper voltage.

 

 

will not start.

 

 

2. Open

circuit

in

 

 

2.

Inspect all lead connections on motor,

 

 

 

 

 

 

 

motor,

switch

or

 

 

 

switch and cord for loose or open connec-

 

 

 

 

 

 

 

cord.

 

 

 

 

 

 

 

tions.

 

 

 

 

 

 

3.

Tank already pres-

 

 

3.

Motor will not start if tank pressure is too

 

 

 

 

 

 

 

surized.

 

 

 

 

 

 

high.

 

 

 

 

 

 

4. Thermal

overload

 

 

4. Thermal overload switch has tripped, wait

 

 

 

 

 

 

 

switch.

 

 

 

 

 

 

 

for motor to cool, then reset switch by

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

pressing red button.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pump

motor

 

 

1.

Short circuit in line

 

 

 

1.

Inspect cord or plug for damaged insula-

 

 

starts;

but

 

 

 

cord or

plug.

 

 

 

 

 

tion and shorted wires.

 

 

fuses

blow or

 

 

2. Short circuit in motor

 

 

2.

Inspect all connections on motor for loose

 

 

circuit

break-

 

 

 

or

loose

connec-

 

 

 

or shorted terminals or worn insulation.

 

 

ers trip.

 

 

 

tions.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Incorrect

fuses

or

 

 

3.

Install correct fuses or circuit breakers.

 

 

 

 

 

 

 

circuit

breakers

in

 

 

 

 

 

 

 

 

 

 

 

power line.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low pressure

 

 

1.

Air

leaks

in flexible

 

 

 

1.

Check air hoses and all connections for

 

 

at the tool.

 

 

 

hoses.

 

 

 

 

 

 

 

leaks.

 

 

 

 

 

 

2.

Pressure gauge bad.

 

 

2.

Check pressure in line with known good

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

gauge.

 

 

 

 

 

 

3.

Pressure

regulator

 

 

3.

Adjust pressure regulator, if no improve-

 

 

 

 

 

 

 

bad.

 

 

 

 

 

 

 

ment inspect regulator for leaks or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

replacement.

 

 

 

 

 

 

4.

Hose is too long.

 

 

 

 

4.

Install a shorter hose.

 

 

 

 

 

 

 

 

 

 

 

 

Low pressure

 

 

1.

Air leaks in tanks or

 

 

 

1. Check air tanks, pipes and all connections

 

 

at the tanks.

 

 

 

delivery pipes.

 

 

 

 

 

for leaks.

 

 

 

 

 

 

2.

Drain valve open.

 

 

 

 

2.

Close drain valve.

 

 

 

 

 

 

3.

Safety valve releas-

 

 

3.

Replace safety valve.

 

 

 

 

 

 

 

ing below 125 PSI.

 

 

 

 

 

 

 

 

 

 

4.

Air

filter clogged.

 

 

 

 

4.

Inspect and clean air filter.

 

 

 

 

 

 

5.

Gaskets leaking.

 

 

 

 

5.

Check gaskets on cylinder head assem-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

bly, repair or replace as needed.

 

 

 

 

 

 

6.

Worn rings.

 

 

 

 

6.

Inspect and replace pump piston rings.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor

 

 

1.

Improper oil level.

 

 

 

 

1.

Check oil level and add oil.

 

 

knocking.

 

 

2.

Air filter clogged.

 

 

 

 

2.

Inspect and clean air filter.

 

 

 

 

 

 

3.

Piston

 

assembly

 

 

3.

Inspect and repair piston and connecting

 

 

 

 

 

 

 

loose.

 

 

 

 

 

 

 

rod.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-16-

H3372 3 HP Air Compressor

Image 18
Contents HP AIR Compressor Model H3372Page Before Operating This Equipment SafetySafety Instructions For Pneumatic Tools Not avoided, will result in death or serious injuryWear Approved Hearing Protection Additional Safety For Air Compressors Read this Entire Manual Before Operating the CompressorIntroduction and SET UP CommentaryUnpacking Site Placement Circuit Requirements 220V Operation GroundingExtension Cords Preparing for USE Duty CycleStarting To start the air compressorAIR Control Delivered Pressure Air ReleaseTo control the air delivery to your tool Tank Pressure Regulator Pressure Regulator H3372 3 HP Air CompressorConnecting Tools To connect air tools to your air com- pressorMaintenance Before Each UseChanging V-belt To change the V-belt drive on your air compressorAfter First Hours Of Use WeeklyWhen storing your air compressor fol- low these guidelines Every 300 Hours StorageTroubleshooting Problem Cause ActionFaulty Model H3372 3 HP Air Compressor Description Ring Handle Warranty and Returns Warranty Card BOX BELLINGHAM, WA