JET JAT-310 Operating Instructions and Parts Manual

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Pneumatic Ratchet Wrench

#505310, J AT- 310
#505312, J AT- 312
#505313, J AT- 313

Operation & Parts Manual

M-505310

Edition 2

06/2015

JET

427 New Sanford Road

LaVergne, TN 37086

Ph.: 800-274-6848

www.jettools.com

Copyright © 2015 JET

Warranty and Service

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JET warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please contact
Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday.

Warranty Period
The general warranty lasts for the time period specified in the literature included with your product or on the official JET branded
website.

• JET products carry a limited warranty which varies in duration based upon the product. (See chart below)

• Ac c essories carry a limited warranty of one year from the date of receipt.

• C ons umable items are defined as expendable parts or accessories expected to become inoperable within a

reasonable amount of use and are covered by a 90 day limited warranty against manufacturer’s defects.

Who is Covered

This warranty covers only the initial purchaser of the product from the date of delivery.

What is Covered

This warranty covers any defects in workmanship or materials subject to the limitations stated below. This warranty does not cover
failures due directly or indirectly to misuse, abuse, negligence or accidents, normal wear-and-tear, improper repair, alterations or
lack of maintenance. JET woodworking machinery is designed to be used with Wood. Use of these machines in the processing of
metal, plastics, or other materials outside recommended guidelines, may void the warranty. The exceptions are acrylics and other
natural items that are made specifically for wood turning.

Warranty Limitations

Woodworking products with a Five Year Warranty that are used for commercial or industrial purposes default to a Two Year
Warranty. Please contact Technical Service at 1-800-274-6846 for further clarification.

How to Get Technical Support
Please contact Technical Service by calling 1-800-274-6846. Please note that you will be asked to provide proof of initial
purchase when calling. If a product requires further inspection, the Technical Service representative will explain and assist with

any additional action needed. JET has Authorized Service Centers located throughout the United States. For the name of an
Authorized Service Center in your area call 1-800-274-6846 or use the Service Center Locator on the JET website.

More Information

JET is constantly adding new products. For complete, up-to-date product information, check with your local distributor or visit the
JET website.

How State Law Applies

This warranty gives you specific legal rights, subject to applicable state law.

Limitat ions on This Wa rranty

JET LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE LIMITED WARRANTY FOR EACH PRODUCT. EXCEPT AS
STATED HEREIN, ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
EXCLUDED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE
ABOVE LIMITATION MAY NOT APPLY TO YOU.
JET SHALL IN NO EVENT B E L IABLE FO R DEATH, INJURIES TO PER S O NS O R PROPERTY, O R FOR INCI DENTAL,
CONTINGENT, SPECIAL, OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR PRODUCTS. SOME STATES
DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE
LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.

JET sells through distributors only. The specifications listed in JET printed materials and on official JET website are given as
general information and are not binding. JET reserves the right to effect at any time, without prior notice, those alterations to parts,
fittings, and accessory equipment which they may deem necessary for any reason whatsoever. JET
sold in Canada by JPW I ndustr ies, Inc.

Product Listing with Warranty Period

90 Days

Parts; Consumable items
1 Year – Motors; Machin e A ccessorie s
2 Year – Metalworking Machinery; Electric Hoists, Electric Hoist Accessories; Woodworking Machinery used for industrial
or commercial purposes
5 Year – Woodworking Machinery
Limited Lifetime – JET Parallel clamps; VOLT Series Electric Hoists; Manual Hoists; Manual Hoist Accessori e s;
Shop Tools; Warehouse & Dock products; Hand Tools; Air Tools

NOTE: JET is a division of JPW Industries, Inc. References in this document to JET also apply to JPW Industries, Inc., or any of
its successors in interest to the JET brand.

®

branded products are not

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Safety warnings

General air tool warnings

1. Read and understand this entire manual
before at t em pt i ng assembly or operation.

2. Read and und erstan d all warnin gs posted on
the tool an d in th is manu al . Failur e t o comp ly
with all of thes e warnings may caus e serious
injury.

3. Replace warning labels if they become
obscur ed or r em o ved .

4. Do not use this tool for other than its intended
use. If used for other purposes, JET disclaims
any real or implied warranty and holds itself
harmless from any injury that may result from
that use.

5. Alw ays wear appr oved saf ety glass es or f ace
shield while using this tool. (Everyday
eyeglasses only have impact resistant lenses;
they are not safet y glas ses.)

6. Wear ear protectors (plugs or muffs) if the
noise exceeds safe levels.

7. Wear gloves and protective clothing if
operati on produc es sp arks or fl ying part icles.
Gloves s hould be t ight-fitti ng, withou t frayed
fingers or hangi ng threads . Keep h ands and
body away from the work in g ar ea of to ol.

8. Some dust created by power sanding, sawing,
grinding, drilling and other construction
activit ies c ont ai ns ch em ic als known t o c aus e
cancer, birth defects or other reproductive
harm. Some examples of these chemicals
are:

• Lead from lead based paint.

• Crystalline silica from bricks, cement and
other mas onry produc ts .

• Arsenic and chromium from chemically
treated lumber.

Your risk of exposure varies, depending on
how often you d o this type of work. To reduce
your exp osure to th ese chemic als, wor k in a
well-ventilated ar ea and work with approved
safety equipme nt, su ch as face or dust masks
that are specifically designed to filter out
microscopic particles.

9. D o not operat e an air tool continu ally at full
throttl e wit h ou t a w ork l oad on the tool.

10. The air tool must be properly lubricated before
operatin g.

11. Never start a percussion type air tool (chipper,
breaker, buster, etc.) without securing the
tooling in the retainer and placing the tip
against the work surface.

12. Do not operate air tool without its guards in
place. Do not modify the tool.

13. Do not oper ate this tool w hile tired or un der
the influence of drugs, alcohol, or any
medication.

14. Adopt a comfortable posture with proper
balance, and maintain secure footing at all
times. Non-slip footwear or anti-skid floor
strips are recommended.

15. Do not wear loose clothing or jewelry. Confine
long hair.

16. Excessive air pressure and too much free
rotati on m ay dec r ease life of the tool and may
cause a haz ar d ous sit uation.

17. Check air hoses for wear, and keep them
away fr om heat and s harp edg es. Rep air or
replace damaged air hose immediately. Do
not carry tool by the air hose.

18. Air hose may c ause tripping hazards; keep
hose away from traffic areas.

19. Do not us e this tool near flamm able objects ,
or in pot entially exp losive envir onments. Do
not use near live electrical wires.

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20. Do not use power tools in damp or wet
locati on, or expose t hem to r ain. K eep wor k
area well lig ht ed.

21. Do not leave a connected tool unattended.
When not in use, disconnect tool from air
source.

22. Shut off air supply and discharge any residual
pressure from tool before removing hose,
making adjustments, changing accessories,
or storing tool.

23. Make sure tool is switched off, and your finger
off the trigger, before connecting to air supply.

24. Remove ad jus tin g keys and wrenc hes befor e
turning on tool.

25. K eep visitors a safe distance from the work
area. Keep children away.

26. Gi ve your work undivi ded attention. Looking
around, carrying on a conversation and
“horse-play” are careless acts that can result
in serious injury.

27. D o not forc e a tool or attac hment t o do a job
for which it was n ot designed. Th e right tool
will do the job better and more safely.

28. Repetitive motions and/or exposure to
constant vibration can be harmful to hands
and arms. Take frequent breaks and relax
hands during extended operation. Change
postur e t o avoi d dis comfort or f ati g u e.

29. Compressed air can be harmful if directed
toward s ensitive areas of the body, and may
propel small particles caught in the air stream.
Exercise proper c auti on.

30. Use only recommended accessories;
improp er accessori es m ay b e haz ar d ous .

31. Maint ain tools with c are. Keep air tool clean
and oiled for best and safest performance.

32. Do not use combustible gases, carbon
dioxid e, oxygen or any bottl ed gas as an air
sourc e for the t ool. Thes e can pr es ent risk of
explosion and serious injury.

33. Do not lubricate the tool with combustible
liquids, such as kerosene, diesel or jet fuel.

34. Do not dispose of this tool with normal
household waste. Never dispose of the air tool
into fire.

Specific warnings for Ratchet Wrench

35. This r atchet wr ench is d es i gn ed for removing
and ins tal ling thr ead ed f ast en ers, par ticu larl y
in areas diffic ult to acc ess with other tools. If
you are not f amiliar with the prop er and safe
operati on of a pneu matic ratchet wrenc h, do
not use until proper training and knowledge
have been obt ai ned.

36. Use onl y s ock ets in good condition.

37. Never hold socket, drive or drive extension
with your han d during oper ation.

38. Make sure workpiece is s ecure and will not
shift whi le operatin g impact wrenc h. Do not
hold workpieces with your hand.

39. Make sure fastener can withstand rated
torque of ratchet wrench.

Familiarize yourself with the following safety notices used in this manual:

fatal, injury.

possible tool damage.

This mea ns that i f precauti ons are not heed ed, it may result i n serious, or even

This means that if precautions are not heeded, it may result in minor injury and/or

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About this manual

This manual is provided by JET, covering the safe operation and maintenance procedures for a JET Model
JAT-310, J AT- 312 and J AT -313 Pn eum atic R atch et W renc h. T his man ual c ont ains i nstruc ti ons on s af ety
precaut ions, gen eral op eratin g proced ures, mai nten ance proc edures and parts br eakdow n. Your to ol has
been d esig ned and c onstr uct ed t o pr ovi de c onsis ten t, lon g-ter m oper ation if us ed in acc ord anc e wit h t he
instructions set forth in this document.

The instructions and warnings in this manual may not encompass all possible workplace environments. The
operator is expected to take appropriate precautions and exercise common sense. As with any tool
operati on, s af ety of operator an d bystanders sh ou ld be fir s t priority.

If ther e ar e questions or comments , p l eas e contact your local s u pp li e r or J E T . J E T can also be reach ed at
our web site: www.jettools.com.

Record the serial number and purchase information of your tool on the cover of this manual for quick access.
Retain this manual for future reference. If the tool transfers ownership, the manual should accompany it.

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Tool speci fic at io ns

Model nu mb er JAT-310 JAT-312

Stock number 505310 505312 505313
Square drive 1/4 in . 3/8 in . 1/2 in .
Bolt capa city 5/16 i n. 3/8 in. 3/8 in.
Anvil retainer type Ball detent Ball detent Ball detent
Ratchet design Single pawl Dual pawl Dual pawl

Maximum torque

W orking tor qu e
Free speed 250 RPM 280 RPM 280 RPM

Average air consumption 2.8 CFM 4 CFM 4 CFM
Air inlet 1/4 in . NPT 1/4 in . NPT 1/4 in . NPT
Air hose inside diameter 3/8 in. 3/8 in. 3/8 in.
Requir ed air pr es s ure 90 psi (621 kPa) 90 psi (621 kPa) 90 psi (621 kPa)
Vibrati on val ue 1.8 m/s2 4.6 m/s2 9.1 m/s2
Noise lev el 1 102 dB(A) 110 dB(A) 110 dB(A)

Power setting
Grip Inline Inline Inline

Overall Length 8.1 in. (205.7mm) 10.2 in. (259.1 mm) 10.2 in. (259.1 mm)
Housing material Composite Composite Composite
Net weight 1.46 lb. (0.66 kg) 2.73 lb. (1.24 kg) 2.73 lb. (1.24 kg)

Shipping weight 1 .50 lb. (0.68 kg) 2.75 lb . (1.25 kg) 2. 7 5 lb. ( 1.25 kg)

20 lbf•ft
(27.12 N•m)

5-15 lbf•ft
(6.8-20.3 N•m)

variable, forward and
reverse

80 lbf•ft
(108.47 N•m)

15-55 lbf•ft
(20.3-74.6 N•m)

variable, forward and
reverse

JAT-313

80 lbf•ft
(108.47 N•m)

15-55 lbf•ft
(20.3-74.6 N•m)

variable, forward and
reverse

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The specifi ed valu es ar e emissi on l evels an d are not ne c essari ly to be seen as saf e oper ating le vels . As
workplace conditi ons var y, this inf ormat ion is int end ed to al low th e user to mak e a bett er esti mati on of th e
hazards and risks involved only.

Specifications were current at time of publication, but because of our policy of continuous improvement, JET
reserves the right to change specifications at any time and without prior notice, without incurring obligations.

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