Duralast 80-375 Service manual

UNPACKING
After unpacking unit, inspect carefully for any
damage that may have occurred during transit.
Check for loose, missing, or damaged parts. If
any damage is observed, a shipping damage
claim must be filed with carrier. Do not use the
DURALAST®17 Piece Air Tool Kit if broken, bent,
cracked or damaged parts (including labels) are
noted. Any 17 Piece Air Tool Kit that appears
damaged in any way, operates abnormally or is
missing parts should be removed from service
immediately. If you suspect that the 17 Piece
Air Tool Kit was subjected to shock load (a load
that was dropped suddenly, unexpectedly, etc.)
immediately discontinue use until it has been
checked by a factory authorized service center.
Please read and save these instructions. Read through this owner’s manual carefully before using product.
Protect yourself and others by observing all safety information, warnings, and cautions. Failure to comply with
instructions could result in personal injury and/or damage to product or property. Please retain instructions for
future reference.
The following safety information is provided as a guideline to help you operate your 17 Piece Air Tool Kit under the
safest possible conditions. Any tool or piece of equipment can be potentially dangerous to use when safety or safe
handling instructions are not known or not followed. The following safety instructions are to provide the user with the
information necessary for safe use and operation. Please read and retain these instructions for the continued safe
use of your tool. Failure to follow instructions listed below may result in serious injury. In addition, make certain that
anyone that uses the equipment understands and follows these safety instructions as well.
Operating Instructions and Parts Manual 80-375
05/15
2015 DURALAST
17 PIECE
AIR TOOL KIT
WARNING
®
®
Explanation of Safety Signal Words
WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious
injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate
injury.
CAUTION: Used without the safety alert symbol indicates a potentially hazardous situation which, if not
avoided, may result in property damage.
NOTES: Provide clarity and helpful information.

2
Operating Instructions and Parts Manual 80-375
17 PIECE
AIR TOOL KIT
®
®
05/15
2015 DURALAST
Thank you very much for choosing a DURALAST
Product!
For future reference, please complete the owner’s
record below:
Model: ______________ Purchase Date: ____________
Save the receipt, warranty and these instructions. It is
important that you read the entire manual to become
familiar with this product before you begin using it.
This tool is designed for certain applications only.
DURALAST cannot be responsible for issues
arising from modification. We strongly recommend
this tool is not modified and/or used for any
application other than that for which it was
designed. If you have any questions relative to a
particular application, DO NOT use the tool until you
have first contacted customer service to determine if it
can or should be performed on the product.
IMPORTANT INSTRUCTIONS
AND SAFETY RULES
1. Know your tool. Read this manual carefully. Learn
the tool’s applications and limitations, as well as,
potential hazards specific to it.
2. Keep work area clean and well lit. Cluttered or dark
work areas invite accidents.
3. Keep children away. All children should be kept
away from the work area. Never let a child handle
a tool without strict adult supervision.
4. Do not operate this tool if under the influence
of alcohol or drugs. Read warning labels on
prescriptions to determine if your judgment or
reflexes are impaired while taking drugs. If there is
any doubt, do not attempt to operate.
5. Use safety equipment. Eye protection should be
worn at all times when operating this tool. Use ANSI
approved safety glasses. Everyday eyeglasses are
NOT safety glasses. Dust mask, non-skid safety
shoes, hard hat or hearing protection should be used
in appropriate conditions.
6. Wear proper apparel. Loose clothing, gloves, neck-
ties, rings, bracelets or other jewelry may present a
potential hazard when operating this tool. Keep all
apparel clear of the tool.
7. Don’t overreach. Keep proper footing and balance
at all times when operating this tool.
8. Check for damage. Check your tool regularly. If
part of the tool is damaged it should be carefully
inspected to make sure that it can perform its
intended function correctly. If in doubt, the part
should be repaired. Refer all servicing to a qualified
technician. Consult your dealer for advice.
9. Keep away from flammables. Do not attempt
to operate this tool near flammable materials
or combustibles. Failure to comply may cause
serious injury or death.
10. Store idle tools out of the reach of children and
untrained persons. Tools may be dangerous in the
hands of untrained users.
11. Maintain tools with care.
12. Keep tools dry and clean.
13. Do not use a damaged tool. Tag damaged tools
“Do not use” until repaired.
14. Use only accessories that are recommended by
the manufacturer for your model. Accessories
that may be suitable for one tool may become
hazardous when used on another tool.
15. Tool service must be performed only by qualified
repair personnel. Service or maintenance
performed by unqualified personnel could result in
a risk of injury.
16. When servicing a tool, use only identical
replacement parts. Use of unauthorized parts or
failure to follow maintenance instructions may
create a risk of injury.
17. Maintain a safe working environment. Keep the
work area well lit. Make sure there is adequate
surrounding workspace. Keep the work area free
of obstructions, grease, oil, trash, and other debris.
Do not use this product in a damp or wet location.
18. Maintain labels and nameplates on this product.
These carry important information. If unreadable
or missing, contact customer service for a
replacement.
19. Before use, read and understand all warnings,
safety precautions, and instructions as outlined
in the vehicle manufacturer’s service manual. It
is beyond the scope of this manual to properly
describe the correct procedure and test data for
each vehicle.
20. Always perform vehicle service in a properly
ventilated area. Never run an engine without
proper ventilation for its exhaust. Stop work
and take necessary steps to improve ventilation
in the work area if you develop momentary
eye, nose, or throat irritation as this indicates
inadequate ventilation.

3
Operating Instructions and Parts Manual 80-375
17 PIECE
AIR TOOL KIT
®
®
05/15
2015 DURALAST
WARNING
• Disconnect from air supply before changing
accessories or servicing.
• Check correct air pressure is maintained and not
exceeded.
• Due to possible presences of asbestos dust
from brake linings, when working around vehicle
brake systems, we recommend you wear suitable
respiratory protection.
NOTE: The manufacturer declines any and all
responsibility for damage to vehicles or components if
said damage is the result of unskillful handling by the
operator or of failure to observe the basic safety rules
set forth in the instruction manual.
WARNING
Read Rules for Safe Operation and Instructions Carefully.
IMPORTANT SAFETY INSTRUCTIONS
The warnings, precautions, and instructions discussed
in this manual cannot cover all possible conditions
and situations that may occur. The operator must
understand that common sense and caution are
factors which cannot be built into this product, but
must be supplied by the operator.
WARNING
1. Use only attachments recommended or sold
by manufacturer. Use of non-recommended
attachments may result in fire, electric shock
or injury.
2. Do not disassemble the Impact Wrench or Air
Ratchet Wrench. Take it to a qualified professional
when service or repair is required.
3. Keep air hose away from heat, oil and sharp
edges. Check air hose for wear before each use
and ensure that all connections are secure.
4. Only use impact sockets which are specifically
designed for use with an Impact Wrench or Air
Ratchet Wrench.
5. Wear approved safety eye/face shield, ear
defenders and hand protection.
6. When not in use disconnect from air supply and
store in a safe dry, childproof location.
7. DO NOT use the Impact Wrench or Air Ratchet
Wrench for tasks it is not designed to perform.
8. DO NOT carry the Impact Wrench or Air Ratchet
Wrench by the air hose, or yank the hose from
the air supply.
9. DO NOT operate the Impact Wrench or Air
Ratchet Wrench if you are tired or under the
influence of alcohol, drugs or intoxicating
medication.
10. DO NOT direct air from the air hose at yourself
or others.
DISPOSAL
At the end of the useful life of the DURALAST Impact
Wrench or Air Ratchet Wrench, dispose of the
components according to all state, federal, and local
regulations.
PURPOSE
The 80-375 17-Piece Air Tool Kit includes (1) 1/2” Drive
Impact Wrench with 250 Ft./Lbs. Maximum Torque
and (1) 3/8” Drive Air Ratchet Wrench with 59 Ft./Lbs.
Maximum Torque. It is ideal for basic maintenance
and repairs on foreign and domestic cars, light trucks,
SUVs, motorcycles, implements and agricultural and
industrial vehicles. The kit comes in a durable blow
mold case that makes storing the tools and parts in
one place convenient and portable at the same time. It
is suitable for DIY use.

4
Operating Instructions and Parts Manual 80-375
17 PIECE
AIR TOOL KIT
®
®
05/15
2015 DURALAST
PRODUCT SPECIFICATIONS
½” DRIVE IMPACT WRENCH
Driver Size: 1/2”
Free Speed: 7,500 RPM
Working Torque: 250 Ft./Lbs.
Clutch Type: Single Hammer
Air Consumption: 4 CFM
Weight: 4 Lbs.
Inlet (NPT): 1/4”
Recommended
Air Pressure: 90 Psi
PRODUCT SPECIFICATIONS
3⁄8”DRIVE AIR RATCHET WRENCH
Driver Size: 3/8”
Free Speed: 160 RPM
Working Torque: 59 Ft./Lbs.
Air Consumption: 4 CFM
Weight: 3 Lbs.
Inlet (NPT): 1/4”
Recommended
Air Pressure: 90 Psi
WARNING
Ensure the air supply is clean and does not exceed
90 Psi while operating the Impact Wrench or Air
Ratchet Wrench. Excessive wear will result if air
pressure is too high and/or you use unclean air. This
can shorten the product life and may be dangerous
causing damage and/or personal injury.
OPERATING INSTRUCTIONS
WARNING
Ensure you read, understand and apply safety
instructions before use.
1. Always inspect, maintain and operate in
accordance with ANSI safety code for portable air
tools (ANSI B186.1) and other local safety codes
and regulations.
2. Do not operate either tool over 90 Psi air pressure.
3. Always disconnect tools from the air supply
before installing, adjusting or removing any
accessories or before performing maintenance.
4. Do not carry any air tool by the hose. Keep air
hose away from heat and sharp objects.
5. Continuous use of vibrating air tools by
susceptible users may cause damage to hands.
6. Always lubricate and maintain the tools in safe
operating conditions.
7. Only use accessories which are specifically
designed for use with an Impact Wrench or Air
Ratchet Wrench.
8. Connect the Impact Wrench or Air Ratchet
Wrench to the air hose.
9. Place the socket over the fastener nut and depress
the trigger to operate the tools.
DO NOT allow the Impact Wrench or Air Ratchet
Wrench to free run for an extended period of time as
this will reduce bearing life.
AIR SUPPLY
Ensure the Impact Wrench or Air Ratchet Wrench
air valve (or trigger) is in the “off” position before
connecting to the air supply. Always use clean dry air
as excessive moisture will lower the available torque
and rust the interior moving parts. Make sure all hoses
and fittings are of the recommended size and be sure
the units are not used with less than or more than the
recommended pressure of the tool (90 Psi).
LUBRICATION
Proper lubrication of this air tool is critical to the
operation and life of the unit. Units can be severely
damaged or have excessive wear placed on working
parts if not lubricated. We recommend the use of air
tool oil or 3-in-1 machine oil which is available at most
auto parts locations. The tool should be lubricated
each time it is used. During daily prolonged use, lube
heavily 3 or 4 times during the day.

5
Operating Instructions and Parts Manual 80-375
17 PIECE
AIR TOOL KIT
®
®
05/15
2015 DURALAST
WARNING
Any excess oil in the motor is immediately expelled
from the exhaust port. Always direct exhaust port away
from people or objects.
MAINTENANCE
WARNING
Disconnect the Impact Wrench or Air Ratchet Wrench
from air supply before changing accessories, servicing
or performing maintenance.
1. Replace or repair damaged parts. Use genuine
parts only. Unauthorized parts may be dangerous
and will invalidate the warranty.
2. If the air system does not have an oiler then
lubricate the Impact Wrench or Air Ratchet
Wrench daily with a few drops of air tool oil into
the air inlet.
3. Blow out air line to clear it of accumulated dirt and
moisture.
4. Connect tool and operate tool to allow oil to be
carried to the interior of the tool.
5. Clean the Impact Wrench and Air Ratchet Wrench
after use.
6. DO NOT use worn or damaged accessories.
IMPORTANT
When securing wheel nuts it is important to set
the regulator to the minimum setting, then use a
torque wrench to set fastener torque. Wheel nuts
must be tightened to the vehicle manufacturer’s
recommendation.
TROUBLESHOOTING
Problem Cause Remedies
Unit will
not work
Plugged air inlets Remove fitting
and clean
Interior is rusted Disassemble,
clean, lube and
reassemble
Unit lacks
power
Low air supply Check hoses,
tanks, etc.
Lack of lubrication Lube properly
and retry
Tool runs
slowly
Dirty and gummed Disassemble,
clean, lube
Components worn Disassemble,
determine parts
requiring
replacement
and repair

6
Operating Instructions and Parts Manual 80-375
17 PIECE
AIR TOOL KIT
®
®
05/15
2015 DURALAST
Item # Part Name Quantity
80-360-1 Housing 1
80-360-2 Front Housing 1
80-360-3 Oily Bushing 1
80-360-4 Anti-Off Circle 1
80-360-5 O-Ring 1
80-360-6 Driving Shaft 1
80-360-7 Hammer Cage 1
80-360-8 Pin 1
80-360-9 Hammer 1
80-360-10 Cam 1
80-360-11 Front Gasket 1
80-360-12 Bearing 2
80-360-13 Front Cylinder Head 1
80-360-14 Blade 6
80-360-15 Rotor 1
80-360-16 Straight Pin 1
80-360-17 Cylinder 1
80-360-18 Straight Pin 1
80-360-19 Back Cylinder Head 1
80-360-20 Rear Gasket 1
Item # Part Name Quantity
80-360-21 Adjustment Knob 1
80-360-22 Knob Spring 1
80-360-23 Steel Ball 1
80-360-24 O-Ring 1
80-360-25 O-Ring 1
80-360-26 Cap 1
80-360-27 Screw 4
80-360-28 Trigger 1
80-360-29 Pin 1
80-360-30 Straight Pin 1
80-360-31 Eye Ring 1
80-360-32 Valve Pole 1
80-360-33 Valve 1
80-360-34 Spring 1
80-360-35 Muffler Cover 1
80-360-36 Air Inlet Connector 1
80-360-37 O-Ring 1
80-360-38 Muffler Cotton 1
80-360-39 Quick Connect Nipple 1
Note:
Not all components of the Impact Wrench are replacement items, but are illustrated as a convenient reference for location
and position in the assembly sequence.
39
Parts List
Parts Diagram
½” DRIVE IMPACT WRENCH

7
Operating Instructions and Parts Manual 80-375
17 PIECE
AIR TOOL KIT
®
®
05/15
2015 DURALAST
Item # Part Name Quantity
80-363-1 Housing 1
80-363-2 Trigger 1
80-363-3 Straight Pin 1
80-363-4 O-Ring 1
80-363-5 Muffler Cover 1
80-363-6 O-Ring 1
80-363-7 Air Inlet Connector 1
80-363-8 O-Ring 1
80-363-9 Spring 1
80-363-10 O-Ring 1
80-363-11 Spring 1
80-363-12 O-Ring 1
80-363-13 Adjusting Knob 1
80-363-14 Sealing Gasket 1
80-363-15 Bearing 1
80-363-16 Back Cylinder Head 1
Item # Part Name Quantity
80-363-17 Steel Ball 2
80-363-18 Blade 4
80-363-19 Rotor 1
80-363-20 Washer 1
80-363-21 Cylinder 1
80-363-22 Straight Pin 1
80-363-23 Front Cylinder Head 1
80-363-24 Bearing 1
80-363-25 Washer 1
80-363-26 Gear Ring 1
80-363-27 Idler Wheel 3
80-363-28 Pin 3
80-363-29 Idler Seat 1
80-363-30 Ratchet Handle Component 1
80-363-31 Quick Connect Nipple 1
Note:
Not all components of the Air Ratchet Wrench are replacement items, but are illustrated as a convenient reference for
location and position in the assembly sequence.
4
Parts Diagram
31
Parts List
3⁄8”DRIVE AIR RATCHET WRENCH

8
Operating Instructions and Parts Manual 80-375
17 PIECE
AIR TOOL KIT
®
®
05/15
2015 DURALAST
CONTACT US
3580 E. Raines Road, Suite 3, Memphis, TN 38118
(1-877-298-6651)
Call Center Hours of Operation:
7:00 AM to 5:00 PM Central Standard Time
Monday - Friday
email: [email protected]
DURALAST®THREE YEAR LIMITED WARRANTY
If for up to three years from the date of purchase of this DURALAST product, you find any defect in material
or workmanship through normal usage, return it to the place of purchase, or to customer service for repair or
replacement at our discretion. In order to obtain this service send your tool and proof of purchase, transportation
pre-paid, to Q.A. Dept, 3580 E. Raines Road #3, Memphis, TN 38118. We will not be responsible for lost or
damaged goods during transportation, please insure your package. If our inspection verifies the defect, we will
either repair or replace the product at our election, or we may elect to refund the purchase price if we cannot
readily and quickly provide you with a replacement. We will return repaired products at our expense, but if we
determine there is no defect, or that the defect resulted from causes not within the scope of our warranty, then you
must bear the cost of returning the product.
DURALAST does not provide warranty for products labeled other than DURALAST. DURALAST will not provide any
warranty for products subjected to abnormal use. Abnormal use includes, but is not limited to, abuse, accident,
alteration, neglect, and unauthorized or unreasonable use or repairs. This warranty does not cover bits, blades,
files, batteries, or calibration. We recommend that you maintain your tools and sharpen or replace blades, bits,
files, and batteries as necessary. If this air tool is used for commercial purposes, the warranty will apply for (90)
days from the date of purchase. DURALAST reserves the right to makes any changes in construction or design at
any time without any obligation in incorporating such changes to tools or equipment previously sold.
DURALAST makes every effort to assure that its products meet high quality and durability standards, and warrants
to the original purchaser that this product is free from defects in materials and workmanship for the period of three
years from the date of purchase. This warranty does not apply to damage due directly or indirectly to misuse,
abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation,
normal wear and tear or to lack of maintenance.
We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent, special or
consequential damages arising from the use of our product. Some states do not allow 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 IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS. This warranty gives you specific legal rights, and you may also have other
rights, which vary from state to state.
DURALAST is a registered mark of AutoZone Parts, Inc.