Duralast 80-363 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®Air
Ratchet if broken, bent, cracked or damaged parts (including
labels) are noted. Any Air Ratchet that appears damaged in
any way, operates abnormally or is missing parts should be
removed from service immediately. If you suspect that the Air
Ratchet 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.
Operating Instructions and Parts Manual 80-363
05/15
2015 DURALAST
3⁄8”DRIVE
AIR RATCHET
®
®
The following safety information is provided as a guideline to help you operate your Air Ratchet 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.
WARNING
Explanation of Safety Signal Words
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.
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 80-363
3⁄8”DRIVE
AIR RATCHET
®
®
05/15
2015 DURALAST
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.
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.
NOTES: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 Air Ratchet. 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 accessories which are specifically designed for use with an
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 Air Ratchet for tasks it is not designed to perform.
8. DO NOT carry the Air Ratchet by the air hose, or yank the hose from
the air supply.
9. DO NOT operate the Air Ratchet 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 Air Ratchet, dispose of the
components according to all state, federal, and local regulations.
PURPOSE
The 80-363 3/8” Drive Air Ratchet features a lightweight, composite body
designed for removing and installing parts in tight areas and is suitable
for DIY use.

3
Operating Instructions and Parts Manual 80-363
3⁄8”DRIVE
AIR RATCHET
®
®
05/15
2015 DURALAST
PRODUCT SPECIFICATIONS
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 Air Ratchet. 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 this tool over 90 Psi air pressure.
3. Always disconnect this tool from the air supply before installing,
adjusting or removing any accessory in this tool 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 tool in safe operating conditions.
7. Only use accessories which are specifically designed for use with an
Air Ratchet.
8. Connect the Air Ratchet to the air hose.
9. Place the socket over the fastener nut and depress the trigger to
operate the Air Ratchet.
DO NOT allow the Air Ratchet to free run for an extended period of time
as this will reduce bearing life.
AIR SUPPLY
Ensure the Air Ratchet 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.
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 Air Ratchet 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 Air Ratchet
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 Air Ratchet 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 Possible Cause Remedies
Tool runs slowly or
will not operate
Grit or gum in tool Flush the tool with air tool oil or gum solvent.
No oil in tool Lubricate tool according to the lubrication instructions.
Low air pressure Adjust the regulator on the tool to maximum setting.
Adjust the compressor regulator to the tool maximum of 90 Psi.
Air hose leaks Tighten and seal the hose fittings if leaks are found. Use
sealing tape.
Pressure drops Be sure the hose is the proper size. Long hoses or tools using
large volumes of air may require a hose with an I.D. of 1/2 In.
or larger depending on the total length of the hoses.
Do not use a multiple number of hoses connected together
with quick-connect fittings. This causes additional pressure
drops and reduces the tool power. Directly connect the hoses
together.
Worn rotor blade Replace the rotor blade.
Moisture blowing
out of tool exhaust
Water in tank that needs to be drained. (See air compressor
manual) Oil tool and run until no water is evident. Oil again and
run 1-2 seconds.
Tool rotor
turning w/t
triggering
Air inlet O-ring broken Replace the broken O-ring.

4
Operating Instructions and Parts Manual 80-363
3⁄8”DRIVE
AIR RATCHET
®
®
05/15
2015 DURALAST
4
31
Parts Diagram
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.
NOTE:
Not all components of the Air Ratchet are replacement items, but are illustrated as a convenient
reference for location and position in the assembly sequence.
Item # Part Name Qty.
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
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
Parts List
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]