Aircat 1680-6 User manual
Notice
90% of all Air Tool problems are caused by
moisture in air lines
This problem can be avoided by using Air Tool Lubricant
(See “Lubrication” & “Air Supply”sections of this manual)
FAILURE TO OIL can void your warranty
1 Year Limited Warranty
AIRCAT
air tools are warranted to be free from defects in material and workmanship for 1 year from date
of purchase. We will repair or replace at our option any defective part or unit which proves to be defective
in material or workmanship during this 1 year period. The foregoing obligation is AIRCAT’s
sole liability
under this or any implied warranty, and under no circumstances shall it be liable for any incidental or
consequential damages.
This warranty applies to the basic tool. It does not apply to normal wear and tear on attached
accessories/consumable products such as drill chucks, backing pads for sanders, punch and die for
nibblers, air hammer retainers, spray gun cups, or ”kit” accessories, etc.
Naturally, repairs required by abuse, misuse, damage, or repair attempts (by other than an AIRCAT
Warranty Center) are not covered by this warranty.
Return tools to AIRCAT’s
authorized Warranty Center transportation prepaid.
Be certain to include your name, address, evidence of the purchase date, and
description of the suspected defect. YOU must include proof of purchase for
warranty repair.
Authorized Warranty Repair Centers
Check for warranty centers at www.aircat.com
AIRCAT® is a registered trademark of Exhaust Technologies, Inc. All patents are owned
by Exhaust Technologies, Inc. exclusively worldwide. All rights reserved *Kevlar is a
trademark of the E. I. DuPont Nemours and Company
3/4" Impact Wrench, Twin Hammer
Model #1680-6
Operating Instructions, Parts List,
Warranty, & Warranty Repair Centers
IMPORTANT! Read carefully before operating this tool. Failure to operate any power
tool properly can result in personal injury and/or property damage!
SPECIFICATIONS
Sound---------------------------------97.9DBA
Square Drive--------------------------- 3/4”
Free Speed(RPM)-----------------------5,500
Air Inlet(NPT)--------------------------3/8”
Air Flow Pressure(PSI)------------ ---90-120
Avg.Air Consump.(cfm)----------------7.2
Hose Size(ID)---------------------------- 1/2”
Shipping Wt.(LBS)-------------------- 12.5
*Maximum Torque Varies with Air Flow Pressure
Safety
1. Always use impact type sockets that are designed for impact wrenches.
2. Never take any risk with your eyes. Always wear approved eye protection.
3. Have throttle in “off” position when connecting to air supply.
4. Disconnect tool before performing service, changing accessories and when not in
use.
5. Always use tool a safe distance from other people in work area.
6. Maintain tools with care. Keep tools clean and oiled for best and safest
performance.
Follow instructions for lubricating and changing accessories. Wiping or cleaning
rags and other flammable waste materials must be placed in a tightly closed metal
container and disposed of later in the proper fashion.
7. Do not wear loose or ill fitting clothing; remove watches and rings.
8. Use proper hose and fitting. Never use quick change couplings attached at tool.
They add weight and could fail due to vibration. Instead, add a hose whip and
connect coupling between air supply and hose whip, or between hose whip and
leader hose.
9. Don’t overreach. Keep proper footing and balance at all times.
10. Don’t force tool. It will do the job better and safer at the rate of which it was
designed.
11. Don’t abuse hoses or connectors. Never carry tool by the hose or yank it to
disconnect from power supply. Keep hoses from heat, oil, and sharp edges.
Check hoses for weak or worn condition before each use, making certain that all
connections are secure.
Lubrication
Lubricate the tool daily with a good grade of air tool oil. If no air line oiler is used,
run a teaspoon of oil through the tool. The oil can be squired into the tool air inlet or
into the hose at the nearest connection to the air supply, then run the tool.
3/4" Impact Wrench, Twin Hammer
Model #1680-6
Air Supply
Tools of this class operate on a wide range of air pressure. It is recommended that air
pressure of these tools measures 90-120 PSI at the tool while running free. Higher
pressure and unclean air will shorten the tool’s life because of faster wear and may
create a hazardous condition and void the warranty.
Water in the air line will cause damage to the tool. Drain the air tank daily. Clean the
air inlet filter screen on at least a weekly schedule. The recommended hookup
procedure can be viewed in the illustration below.
The air inlet, used for connecting air supply, has standard 3/8”NPT American Thread.
Line pressure should be increased to compensate for unusually long air hoses (over 25
feet). Minimum hose diameter should be 3/8”I.D. and fittings should have the same
inside dimensions.
Operating Instructions
This impact wrench should never be used to set torque. Use a torque wrench to set
the torque.
To remove nuts, set the regulator to the maximum setting. To install nuts, set the
regulator to the minimum to medium setting. Do not over tighten the nuts.
Warning : Do not use hand tool sockets (chrome), use impact quality sockets only.
Hand tool sockets (chrome) are glass hard and will shatter and cause serious personal
injury if used with air tools.
Warning : Never trigger the tool when not applied to a work object. Attachments such
as torque socket bars or extensions will reduce the life of the tool, however, if used,
they must be securely attached. Loose attachments can cause serious injury.
Maintenance
Other factors outside the tool may cause loss of power or erratic action. Reduced
compressor output, excessive drain on the air line, moisture or restriction in air pipes
or the use of hose connections of improper size or poor condition may reduce air
supply. Grit or gum deposits in the tool may cut power and may be corrected by
cleaning the air strainer and flushing out the tool with gum solvent oil or an equal
mixture of SAE#10 oil and kerosene. If outside conditions are in order and tool is
out-of-warranty, disconnect tool from hose, disassemble tool, replace worm or
damaged parts, clean, reassemble, and re-lubricate, or take tool to any air tool
service center. For tools in warranty period, send tool direct to Warranty Center. You
must send in your warranty card for warranty service.
ITEM AIRCAT®Part # Description ITEM AIRCAT®Part # Description
101 BP1680101 BOLT ASSY 209 BP1680209 SPRING
102 BP1680102 HAMMER CASE 301 BP1680301 BEARING
103 BP1680103 HAMMER CASE BUSHING 302 BP1680302 FRONT BEARING PLATE
104 BP1680104 COLLAR 303 BP1680303 CYLINDER
105 BP1680105 HAMMER CASE GASKET 304 BP1680304 ROTOR
106 BP1680106 SOCKET RETAINER 305 BP1680305 BLADES
107 BP1680107 O - RING 306 BP1680306 REAR END PLATE
108 BP1680108 6' LONG ANVIL 307 BP1680307 BEARING
109 BP1680109 HAMMER FRAME PIN 308 BP1680308 PIN
110 BP1680110 HAMMER 401 BP1680401 INSERT BUSHING
111 BP1680111 HAMMER FRAME 402 BP1680402 SEAL UNIT
201 BP1680201 HOUSING 403 BP1680403 TIP VALVE
202 BP1680202 HANDLE GRIP 404 BP1680404 SPRING
203 BP1680203 HOUSING GASKET 405 BP1680405 EXHAUST DEFLECTOR
204 BP1680204 REVERSE VALVE 406 BP1680406 AIR INLET
205 BP1680205 O - RING 407 BP1680407 TRIGGER UNIT
206 BP1680206 REAR COVER UNIT 408 BP1680408 MUFFLER
207 BP1680207 LEVER 409 BP1680409 O - RING
208 BP1680208 STEEL BALL 412 BP1680412 BUSHING
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