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JT-OBA/220 

Kleinn Air Horns 

 

INSTALLATION MANUAL 

 

Go to Table of Contents

 

REV: C (6/25/2021) 

35 

 

11

 

General Operation 

11.1

 

Compressor Operation 

WARNING

: NEVER operate the air compressor above its 

MAXIMUM PRESSURE RATING (see label on body). Operation 
exceeding maximum pressure will damage the compressor 
and potentially cause air system failure.

 

1.

 

Kleinn’s 

oil-less compressor is equipped with an 

automatic thermal overload protection circuit 
designed to protect the air compressor from 
overheating and causing permanent damage.   

2.

 

Automatic thermal overload protector will reset 
after 30 minutes. 

3.

 

To prevent discharge of the 

vehicle’s battery

and for best performance, keep the 

vehicle’s 

engine running while using the air compressor 
for any prolonged use (i.e., filling tires, using air 
tools, etc.). 

11.2

 

Horn Operation 

1.

 

Allow the air compressor to run until it shuts off 
automatically, (i.e., air tank is full) or for at least 
one minute between horn activations. 

2.

 

Press the horn button to activate the horns 

3.

 

Horn sound/loudness will taper quickly as the air 
tank pressure decreases. 

4.

 

Horns should sound for 3-7 seconds depending 
on kit and tank size. 

WARNING

: NEVER operate train horns with ears near 

trumpets or in an enclosed space withou

hearing protection

 

(i.e., > Ear Plugs/Muffs) for all persons closer than 100 feet 
from vehicle.  Never operate train horns outdoors when 
persons are near vehicle without hearing protection.

 

END OF SECTION 

12

 

Routine Maintenance 

Perform following maintenance at least once during 
recommended intervals: 

1.

 

Yearly, or every 12,000 miles, verify all mounting 
fasteners are properly torqued. Applying witness 

marks across fasteners and mounting parts is 
good practice to quickly ensure fasteners have 
not moved. 

2.

 

Yearly, or every 12,000 miles,

 inspect OE wiring, 

tubing, cables, etc.

 where kit parts may touch to 

verify no abrasion or rubbing. 

 

3.

 

Yearly, or every 12,000 miles, remove all road 
grime and mud from the mounting brackets and 
kit parts using clean water from a garden hose. 
Pay special attention to corners where dirt may 
collect.  Touch up all paint chips using 
automotive grade enamel in either spray or 
brush form. 

NOTE

: Do this more frequently if traveling regularly off-road, 

or in winter climates with road salts.

 High-pressure washers 

may damage part finishes and must be used with care.

   

4.

 

Yearly, or every 12,000 miles, check electrical 
connections, wires, and air fittings for abrasion, 
corrosion, or other damage.  Replace damaged 
components. 

NOTE

: if system runs continuously or turns on unexpectedly, 

leaks or a poor electrical connection may be present. 

5.

 

Monthly, or every 10 hours of compressor run 
time, drain moisture from the air tank using thee 
drain valve installed at the bottom of the tank.  

WARNING:

 Failure to regularly drain the air tank may result 

in corrosion inside the tank and possible failure in the tank or 
air tubing, causing injury.

 

6.

 

Yearly, or every 12,000 miles, clean or replace 
the air compressor air filter element.  
Replacement frequency depends on operating 
frequency and conditions of environment (i.e., 
daily use requires more frequent changes).  
Order replacement filters a

Kleinn.com

. 

NOTE

: NEVER lubricate or add liquids to the compressor. 

END OF SECTION 

 

 

Summary of Contents for JT-OBA

Page 1: ...JT OBA 220 INSTALLATION MANUAL REV C 6 25 2021 Kleinn Air Horns 2021 All Rights Reserved PO Box 91278 Tucson AZ 85752 Phone 520 579 1531 Web https www kleinn com...

Page 2: ...0 Kleinn Air Horns INSTALLATION MANUAL Go to Table of Contents REV C 6 25 2021 2 This digital PDF is interactive Please save ink and paper Open interactive manual using Adobe Reader on PC Mac and smar...

Page 3: ...n s 8 4 2 Install Process Outline 9 4 3 Approximate Installation Time 9 5 List of Tools Supplies 10 5 1 Standard Tool List Required 10 5 2 Special Tool List Recommended 10 5 3 Shop Consumables List Re...

Page 4: ...1 Relay Fuse Diagram for Air Horn System 27 9 2 Disconnect Vehicle Battery s 28 9 3 Suggested Air Hose Wire Routings 28 9 4 Connect Wires to Fuse Relay 32 9 5 Install Horn Button 32 9 6 Connect Pressu...

Page 5: ...tps get adobe com reader otherversions 1 2 Your SKU Number this Manual This manual covers installation testing and operation of following SKU part numbers 1 2 1 JT OBA JT220 NOTE Illustrations and pic...

Page 6: ...sibly rusted and sharp vehicle parts Before starting obtain proper tools required to perform installation correctly adequate lighting eye protection hearing protection for operating train horns and ha...

Page 7: ...n found to be incompatible with the designed kit MODEL YEAR MODEL DRIVE ENGINE BODY TRIM 2020 2021 Gladiator Any Diesel Any Any 2020 2021 Gladiator Any Hybrid Any Any 3 3 Aftermarket Product Compatibi...

Page 8: ...ystem Location s JT OBA JT220 consist of the following components located on vehicle as follows ITEM DESCRIPTION VEHICLE LOCATION MOUNTING METHOD APROX INSTALL TIME 1 Air compressor Under center of ve...

Page 9: ...with fittings to OBA bracket 9 Assemble air filter to air compressor 10 Attach horn bracket with drivers to vehicle JT220 only 11 Re Attach horn trumpets to horn drivers JT220 only 12 Route air lines...

Page 10: ...rinder pneumatic grinder with cut off wheel or hacksaw 2 10 100 ft lbs torque wrench 3 20 150 in lbs torque wrench 4 Multi meter for 12V DC electrical systems or equivalent 5 12V DC test Light or equi...

Page 11: ...arge work area and verify all parts are included as listed below Contact Kleinn support with any questions 1 Review pre packaged kit items K_ 2 Review Air Fittings and Tubing F_ 3 Review Wiring and Ac...

Page 12: ...their own packages and may include additional items inside package ITEM QTY PART NUMBER DESCRIPTION PICTURE K1 1 6450RC Model 6450RC Fully Submersible Waterproof Heavy Duty Air Compressor K2 1 6353RT...

Page 13: ...52175 Safety Valve 175PSI 1 4NPT F3 1 52835 Drain 1 4NPT F4 1 51414L JT220 only Comp Fit 1 4NPT 1 4 Elbow F5 1 51414NPTL Adpt 1 4NPT 1 4NPTF Elbow F6 1 51414 included in 1302 Comp Fit 1 4NPT 1 4 F7 1...

Page 14: ...ntents REV C 6 25 2021 14 6 5 Mounting Brackets Special Hardware ITEM QTY PART NUMBER DESCRIPTION PICTURE C1 1 JT 100 Tank Compressor OBA Bracket C2 2 JT 101 Tank Strap C3 1 JT 200 JT220 Only 220 Horn...

Page 15: ...olt H2 1 3 8 Flat Washer H3 1 3 8 Split Lock Washer H4 2 M8 1 25 x 25mm Hex Bolt H5 2 M8 x 24mm Fender Washer H6 2 M8 Split Lock Washer H7 1 1 4 20 x 2 1 4 Hex Bolt H8 4 1 4 20 x 1 1 4 Hex Bolt H9 5 1...

Page 16: ...ts REV C 6 25 2021 16 H16 2 8 Rubber Tank Mount H17 1 JT220 Only M12 1 5 x 90mm Hex Bolt H18 2 JT220 Only M12 Flat Washer H19 1 JT220 Only M12 Split Lock Washer H20 1 JT220 Only M12 1 5 Hex Nut H21 1...

Page 17: ...sed for Torque Spec lb ft H1 3 8 16 Rear Bracket Mounting 23 H4 M8 1 25 Front Bracket Mounting 22 H7 H8 1 4 20 Tank Mounting 6 M5 0 8 Compressor Mounting 5 7 1 Assemble Air Fittings to Air Tank 1 Gath...

Page 18: ...tripping as shown Tank Mount H16 Figure 3 Tank Mount Rubber Tank Straps H15 Figure 4 Tank Strap Rubber 2 Form the tank straps by hand bending them around the body of the tank 7 3 Assemble Compressor t...

Page 19: ...ay be very tight 7 5 JT220 Attach Horn Drivers to Horn Bracket JT 200 1 Use H12 H13 H14 to attach horn drivers to the bracket as shown Figure 6 JT220 Horn Drivers Installed 2 Pre wire the horn driver...

Page 20: ...MANUAL Go to Table of Contents REV C 6 25 2021 20 7 6 Attach Relay to Tank Bracket 1 Use the supplied self tapping screw to attach the relay to the rear of the tank compressor bracket as shown Figure...

Page 21: ...manual 8 1 Attach Bracket to Vehicle JT 100 1 Slide the bracket into position The front of the bracket slides over the skid plate below the transfer case 1 and the back of the bracket slides over rea...

Page 22: ...1 22 3 Use H1 H2 H3 to secure the back of the bracket to the rear crossmember 2 This must be done before tank is installed 4 Use H7 H9 H10 H11 H21 C4 to secure the back of the compressor mounting plat...

Page 23: ...0 1 Use the tank straps along with H8 H9 H10 to attach the tank to the bracket as shown The shorter bent end of the tank strap attaches to the top of the tank mount Figure 9 Tank Install 8 3 Attach Zi...

Page 24: ...ttach Horn Bracket JT 200 1 Remove M6 nut and bolt from OEM gas tank splash shield near Transmission crossmember as shown circled in Figure 6 below These bolts will be reused Figure 11 Splash Shield M...

Page 25: ...select location on vehicle where to mount the air filter or if desired filter housing may be secured to included brackets using zip ties c Use F7 at the compressor inlet See Section 10 for intake rou...

Page 26: ...JT OBA 220 Kleinn Air Horns INSTALLATION MANUAL Go to Table of Contents REV C 6 25 2021 26 6 Route air hose and wiring to horns and reassemble trumpets to air horn drivers END OF SECTION...

Page 27: ...all recommended safety precautions for working on vehicle s electrical system consult vehicle owner s manual for further instruction 9 1 Relay Fuse Diagram for Air Horn System Figure 13 Suggested Igni...

Page 28: ...directions to complete your install Alternatively follow the directions below and route as desired 1 Air Intake Battery Connection Run red blue a Open the hood and locate the power steering fluid res...

Page 29: ...compressor j Use provided self tapping screw and ring terminal to ground to the frame near this hole Run this wire along the hose to the relay see 2 2 Relay Connection Run green a Run wires to from th...

Page 30: ...n T fitting over the longer trumpet back towards the gas tank around the transfer case to the cross member that the horns are attached to b Route the air hose along this crossmember to the skid plate...

Page 31: ...JT OBA 220 Kleinn Air Horns INSTALLATION MANUAL Go to Table of Contents REV C 6 25 2021 31 Completed routings...

Page 32: ...1 Find a suitable location for the horn button i e in dash center console etc Verify location has at least 1 of clearance behind for terminal connectors Mark location for drilling 2 Drill a 3 4 hole i...

Page 33: ...iring as desired to the air compressor and connect per wiring diagram 9 8 Connect Air Horn Solenoid s 1 Route wiring as desired to the air horns and connect to the solenoid s per wiring diagram NOTE E...

Page 34: ...to run and shut off automatically i e air tank is full 2 Verify all tubing and electrical wires are securely fastened to the vehicle brackets or kit parts If necessary use extra zip ties to hold tubin...

Page 35: ...during recommended intervals 1 Yearly or every 12 000 miles verify all mounting fasteners are properly torqued Applying witness marks across fasteners and mounting parts is good practice to quickly e...

Page 36: ...ation Thank you for purchasing JT OBA 220 Shall you experience any unexpected problems during installation or have problems with any part at any time please contact Kleinn support END OF MANUAL Kleinn...

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