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SKU 92353 

        

Troubleshooting

Problem

Possible Causes

Likely Solutions

Decreased/low 

output.

1.  Not enough air pressure and/

or air flow. 

 

 

2.  Obstructed Trigger. 

3.  Incorrect lubrication or not 

enough lubrication.

4.  Blocked air inlet screen (if 

equipped).

5.  Air leaking from loose housing. 

6.  Mechanism contaminated. 

 

7.  Undersized supply hose.

1.  Check for loose connections and make sure 

that air supply is providing enough air flow 

(CFM) at required pressure (PSI) to the 

tool’s air inlet.  

Do not exceed maximum air 

pressure.

2.  Clean around Trigger to ensure free 

movement.

3.  Lubricate using air tool oil and grease 

according to directions.

4.  Clean air inlet screen of buildup. 

5.  Make sure housing is properly assembled 

and tight.

6.  Have qualified technician clean and lubricate 

mechanism.  Install in-line filter in air supply 

as stated in Initial Set Up: Air Supply.

7.  Use 3/8” hose.

Housing heats 

during use.

1.  Incorrect lubrication or not 

enough lubrication.

2.  Worn parts.

1.  Lubricate using air tool oil and grease 

according to directions.

2.  Have qualified technician inspect internal 

mechanism and replace parts as needed.

Severe air 

leakage.

(Slight air leakage 

is normal, 

especially on older 

tools.)

1.  Cross-threaded housing 

components. 

2.  Loose housing. 

 

3.  Damaged valve or housing.
4.  Dirty, worn or damaged valve. 

1.  Check for incorrect alignment and uneven 

gaps.  If cross-threaded, disassemble and 

replace damaged parts before use.

2.  Tighten housing assembly.  If housing cannot 

tighten properly, internal parts may be 

misaligned.

3.  Replace damaged components.
4.  Clean or replace valve assembly.

 Follow all safety precautions whenever diagnosing or servicing the 

tool.  Disconnect air supply before service.

Summary of Contents for Earthquake 92353

Page 1: ...rved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manual may not be...

Page 2: ...ided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to a...

Page 3: ...lance at all times Proper footing and balance enables better control of the tool in unexpected situations f Use safety equipment A dust mask non skid safety shoes and a hard hat must be used for the a...

Page 4: ...i Over pressurizing the tool may cause bursting abnormal operation breakage of the tool or serious injury to persons Use only clean dry regulated compressed air at the rated pressure or within the rat...

Page 5: ...n line shutoff valve to allow immediate control over the air supply in an emergency even if a hose is ruptured 7 Use this tool with both hands only Using tools with only one hand can result in loss of...

Page 6: ...Standard Bolt Size 1 3 16 Recommended Hose 3 8 Maximum speed at stated maximum air pressure Excess air pressure is hazardous and may cause the tool to exceed stated maximum speed INITIAL TOOL SET UP...

Page 7: ...ach an air hose to the compressor s air outlet Connect the air hose to the air inlet of the tool Other components such as a coupler plug and quick coupler will make operation more efficient but are no...

Page 8: ...l repaired Tool Set Up TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn off the tool detach the air supply safely discharge any residual air pressure in the tool and release the Trigger before...

Page 9: ...URE RESULTING IN INJURY Do not exceed the tool s maximum air pressure rating If the tool still does not have sufficient force at maximum pressure and sufficient airflow then a larger tool may be requi...

Page 10: ...the mechanism and may be highly flammable causing an explosion Cleaning Maintenance and Lubrication Note These procedures are in addition to the regular checks and maintenance explained as part of the...

Page 11: ...ight 6 Have qualified technician clean and lubricate mechanism Install in line filter in air supply as stated in Initial Set Up Air Supply 7 Use 3 8 hose Housing heats during use 1 Incorrect lubricati...

Page 12: ...ar Hammer Frame Washer 1 36 Hammer Frame 1 37 Hammer Pin 2 38 Hammer 2 39 Anvil 1 40 Socket Retainer 1 41 Socket Retainer O Ring 1 42 Regulator Knob Position Ball 1 43 Regulator Knob Position Spring 1...

Page 13: ...no serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts 33 34 31 30 32 4...

Page 14: ...exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED...

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