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For technical questions, please call 1-800-444-3353.

SKU’s 40072, 

40073, & 97521

WARNING

 – When using tools, basic 

precautions should always be followed, 

including the following:

General

a. 

To reduce the risks of electric shock, 

fire, and injury to persons, read all the 

instructions before using the tool.

Work area

a. 

Keep the work area clean and well 

lighted.

 Cluttered benches and dark 

areas increase the risks of electric 

shock, fire, and injury to persons.

b. 

Do not operate the tool in explosive 

atmospheres, such as in the presence 

of flammable liquids, gases, or dust.

 

The tool is able to create sparks resulting 

in the ignition of the dust or fumes.

c. 

Keep bystanders, children, and 

visitors away while operating the tool.

 

Distractions are able to result in the loss 

of control of the tool.

Personal safety

a. 

Stay alert. Watch what you are 

doing and use common sense when 

operating the tool.  Do not use the 

tool while tired or under the influence 

of drugs, alcohol, or medication. 

moment of inattention while operating 

the tool increases the risk of injury to 

persons.

b. 

Dress properly. Do not wear loose 

clothing or jewelry. Contain long hair. 

Keep hair, clothing, and gloves away 

from moving parts. 

Loose clothes, 

jewelry, or long hair increases the risk 

of injury to persons as a result of being 

caught in moving parts.

c. 

Avoid unintentional starting. Be 

sure the trigger is released before 

connecting to the air supply. 

Do not 

carry the tool with your finger on the 

trigger or connect the tool to the air 

supply with the trigger pressed.

d. 

Do not overreach. Keep proper 

footing and balance at all times. 

Proper footing and balance enables 

better control of the tool in unexpected 

situations.

e. 

Use safety equipment.

  A 

dust mask, non-skid safety 

shoes and a hard hat must be 

used for the applicable 

conditions.  Wear heavy-duty work 

gloves during use.

f. 

Always wear eye protection.

  

Wear ANSI-approved safety 

goggles with side shields.

g. 

Always wear hearing 

protection when using the 

tool.

 Prolonged exposure to 

high intensity noise is able to cause 

hearing loss.

h. 

Do not attach the hose or tool to your 

body.

  Attach the hose to the structure to 

reduce the risk of loss of balance if the 

hose shifts.

i. 

Always assume that the tool contains 

fasteners.

 Do not point the tool toward 

yourself or anyone whether it contains 

fasteners or not.

j. 

WARNING – Do not fire fastener on 

top of another fastener.

 This is able to 

cause the fastener to be deflected and 

hit someone, or cause the tool to react 

and result in a risk of injury to persons.

k. 

WARNING – Remove finger from the 

trigger when not driving fasteners.

 

Never carry the

 

tool with finger on 

trigger, the tool is able to fire a fastener.

Summary of Contents for AIR STAPLER 1/4" CROWN, 18 GAUGE 97521

Page 1: ...ll rights reserved 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 man...

Page 2: ...t 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 address practices...

Page 3: ...ses the risk of injury to persons as a result of being caught in moving parts c Avoid unintentional starting Be sure the trigger is released before connecting to the air supply Do not carry the tool w...

Page 4: ...serviced before using Many accidents are caused by poorly maintained tools There is a risk of bursting if the tool is damaged h Use only accessories that are identified by the manufacturer for the sp...

Page 5: ...onnect the tool from the air supply when a Unattended b Performing any maintenance or repair c Clearing a jam d Moving the tool to a new location 13 Do not make any modifications to this tool 14 Refer...

Page 6: ...annot cover all possible conditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be su...

Page 7: ...put 3 5 drops of pneumatic tool oil in the Air Plug 82 before each use Testing the Single Sequential Safety Trip Mechanism Warning Even though the Stapler should be empty during this procedure ALWAYS...

Page 8: ...not fire if the nose is not depressed Once depressed gently and briefly squeeze the Trigger 39 once Do not fire repeatedly Staples could bounce off of one another damaging the work piece or causing P...

Page 9: ...Disconnect the Stapler remove the staples and store the Stapler in a location out of children s reach MAINTENANCE TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION BEFORE ANY MAINTENANCE OR REPAIRS...

Page 10: ...INSTALLATION OF REPLACEMENT PARTS THERETO Part Description 1 Exhaust Deflector 2 O Ring 3 Hex Bolt 4 Head Cap 5 Seal 6 Internal Lining 7 O Ring 8 Compression Spring 9 Gasket 10 O Ring 11 Head Valve Pi...

Page 11: ...Page 11 For technical questions please call 1 800 444 3353 SKU s 40072 40073 97521 ASSEMBLY DIAGRAM...

Page 12: ...low the 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 I...

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