Kleinn RAMHDOBA-6450 User manual

RAMHDOBA-6450
INSTALLATION INSTRUCTIONS
© Kleinn Air Horns 2021, All rights reserved.
PO Box 91278 Tucson, AZ 85752
Phone: [phone]
Web: www.Kleinn.com
REV: A (08/05/2022)

RAMHD-734KIT6450
Installation and Operation Manual
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Table of Contents
1. How to Use this Manual ......................................................................................Error! Bookmark not defined.
2. Safety First ..........................................................................................................................................................3
3. Application Chart................................................................................................................................................3
4. Kit Installation Overview ....................................................................................................................................4
4.1. Approximate Installation Time ...................................................................................................................5
5. List of Tools and Supplies ...................................................................................................................................6
5.1. Standard Tool List (Required) .....................................................................................................................6
5.2. Special Tool List (Recommended) ..............................................................................................................6
5.3. Shop Consumables List (Recommended) ...................................................................................................6
6. Parts List .............................................................................................................................................................7
7. Bench Assembly Steps.........................................................................................Error! Bookmark not defined.
7.1 Unpack and Layout Kit Parts........................................................................Error! Bookmark not defined.
7.2 Disassemble Train Horn Kit..........................................................................Error! Bookmark not defined.
7.3 Mount Medium and Large Horn Drivers to Bracket....................................Error! Bookmark not defined.
7.4 Mount Small Horn Driver to Bracket...........................................................Error! Bookmark not defined.
7.5 Mount Air Tank to Bracket ..........................................................................Error! Bookmark not defined.
8. On-Vehicle Mechanical Assembly Steps.......................................................................................................... 12
8.1 Large-Medium Horn Assembly Installation ............................................................................................. 12
8.2 Small Horn Assembly Installation ............................................................................................................ 15
8.3 Air Tank Assembly Installation ................................................................................................................ 18
8.4 Compressor and Bracket Installation ...................................................................................................... 21
9. On Vehicle Air Line Installation ....................................................................................................................... 24
10. On Vehicle Electrical Installation ................................................................................................................. 27
10.1. Disconnect Vehicle Battery(s).............................................................................................................. 27
10.2. Attach Relay to Vehicle........................................................................................................................ 27
10.3. Route Wiring and Install Horn Button ................................................................................................. 27
10.4. Connect Relay to Wiring...................................................................................................................... 28
10.5. Connect Air Horn Solenoid .................................................................................................................. 28
10.6. Reconnect Vehicle Battery(s) .............................................................................................................. 28
11. Initial Testing of Kit...................................................................................................................................... 29
11.1. Test Air Compressor ............................................................................................................................ 29
11.2. Test Train Horns................................................................................................................................... 29

RAMHD-734KIT6450
Installation and Operation Manual
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11.3. Test Quick Connect Coupler ................................................................................................................ 29
12. General Operation of Kit ............................................................................................................................. 30
12.1. Compressor Operation ........................................................................................................................ 30
12.2. Horn Operation.................................................................................................................................... 30
13. Routine Maintenance .................................................................................................................................. 31
14. Warranty Information ................................................................................................................................. 32

RAMHD-734KIT6450
Installation and Operation Manual
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1. Safety First
Read manual thoroughly before starting installation of this kit. Verify you have all parts listed and that you
clearly understand this installation procedure. Contact Kleinn technical support for any questions.
Installation of this kit requires moderate mechanical aptitude; seek professional help if you’re not competent
using hand tools in tight uncomfortable spaces, and around possibly 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 hand protection to guard against sharp edges and metal burrs,
which may be present on kit and vehicle parts.
2. Application Chart
RAMHDOBA-6450 is a bolt-on aftermarket product for all DODGE vehicles listed in below chart.
All vehicles listed may require drilling holes for ground wires and installing switches, based on preference of
switch locations and wire grounding points.
MODEL YR
MODEL
DRIVE
ENGINE
BODY
TRIM
2014-2021
RAM 2500
2WD, 4WD
ALL
Crew Cab (short
bed**), Mega Cab
ALL
2014-2021
RAM 3500
2WD, 4WD,
DUALIE
ALL
Crew Cab (short
bed**), Mega Cab
ALL
**Exclusions:
Crew Cab Long Bed, or Regular/Standard Cab frames; these frames will require drilling holes to attach the
following brackets. Contact Kleinn sales for more information.
Compressor Bracket – drill mounting holes for hardware in approximate location shown in instructions
Product Compatibility:
This kit has been designed and tested to be compatible with leading manufacturers of aftermarket truck steps,
such as Amp Research Power Steps ® and all OEM standard and optional steps.

RAMHD-734KIT6450
Installation and Operation Manual
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3. Kit Installation Overview
RAMHDOBA-6450 consists of the following major components, located on vehicle per following pictures and
chart
Item No. Component Vehicle Location
Install Time
(Approximate)
1. 6355RT
3.0 Gallon Air Tank
Under passenger side front door.
Bolted to outside of frame rail. 2+ Hours
2.
6450RC
150 PSI Waterproof Compressor
Under passenger side rear door.
Bolted to outside of frame rail.
1-2 Hours
*3.
1301
Illuminated Dash Panel Gauge Kit
Installer/Customer Preference 1+ Hours
*4.
1302
Remote Quick Connect Kit
Installer/Customer Preference 1+ Hours
*Not Illustrated
Top View – Ram 2500 Crew Cab Short Bed
Passenger Side View – 2014 Ram 2500 Crew Cab Short Bed
2
1

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Installation and Operation Manual
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3.1. Approximate Installation Time
RAMHDOBA-6450 is a multi-faceted product consisting of multiple mechanical, electrical, and pneumatic
components.
For a typical home mechanic, or auto enthusiast, a professional installation job with setup and testing of
final product, is estimated to take:
•6+ Hours

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Installation and Operation Manual
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4. List of Tools and Supplies
4.1. Standard Tool List (Required)
1. Basic mechanic’s 3/8” drive socket sets with extensions
a. Inch Size Sockets (1/4” – 1” Hex)
b. Metric Size Sockets (6mm – 20mm Hex)
2. Basic mechanic’s combination wrenches (box/open-end)
a. Inch Size Wrenches (1/4” – 1” Hex)
b. Metric Size Wrenches (6mm – 20mm Hex)
3. Basic mechanic’s screwdriver set (Philips, Flat Head)
4. Diagonal Cutter/Wire Cutter Pliers
5. Wire Strippers
6. Wire Terminal Crimpers
7. Slip-Joint Pliers
8. Utility Knife, or Utility Razor blade
4.2. Special Tool List (Recommended)
1. 10-100 ft.-lb. torque wrench
2. 50-150 in.-lb. torque wrench
3. Multi-Meter for 12V DC electrical systems, or equivalent
4. 12V DC Test Light, or equivalent
4.3. Shop Consumables List (Recommended)
1. Quality Electrical tape
2. Di-electric grease for electrical connections
3. Heat Shrink tubing for electrical connections
4. Sandpaper, or Wire Brushes for installing ground wires
5. Extra plastic zip ties > 6” long
6. Extra NPT sealant (i.e., Kleinn Air Horn Juice, Teflon tape, etc.)
7. Touch-up paint for frame/chassis
8. Typical cleanup supplies

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Installation and Operation Manual
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5. Parts List
RAMHDOBA-6450 includes following items:
Item No.
Qty.
Part Number
Description
Picture
1. 1 6450RC 150 PSI Waterproof Compressor with
hardware & remote air supply
2. 1 6355RT 3.0 Gallon Air Tank
3. 12 Ft 25014-1 1/4” Air Tubing
4. 1 1301 Illuminated Dash Panel Gauge Kit
5. 1 1302 Quick Connect Air Coupler Kit, with
relocation bracket
6. 1 INF-1 Tire Inflation Kit w/ bag & fittings
7. 20 Ft
N/A
Loom Pack – 1/4”
8. 10 Ft Loom Pack – 1/8”
9. 5 Ft Loom Pack – 3/8”
10. 1 59830 Digital Tire Inflator w/ Pressure Release
11. 1 2151 1/4” NPT Pressure Switch
110 PSI On, 145 PSI Off
12. 1 52175 1/4” NPT, 175 PSI Safety Valve
13. 1 52835 Drain Valve
1/4” NPT

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14. 2 51414L 1/4” NPT X 1/4” Compression Fitting
90 Deg Elbow
15. 1 51214R 1/2” NPT to 1/4” NPT Reducer, Female
16. 1 51414F 1/4” NPT F X 1/4” Compression Fitting
17. 1 JUICE Thread Sealant for NPT Fittings
18. 1 N/A 4-Bolt Tank Hardware:
7/16”-14 Bolts, Nuts, and Washers
19. 1 N/A
Hardware Pack:
1/2”-13 Bolts, Nuts and Washers
7/16-14 Nuts and Washers
20. 1 6852 Compressor Wiring Kit, Complete
21. 1 RAMHD_TANK_BRKT-ASSY Air Tank Bracket
22. 1 RAMHD-200 Air Compressor Bracket
23. 3 RAMHD_WASHER Washer for Frame Slots
24. 1 RAMHD-201
(for 2019+ RAMHD) Compressor Bracket Bolt Tie

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Installation and Operation Manual
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6. Bench Assembly Steps
Complete following steps off vehicle to facilitate final installation.
6.1. Component Layout
Unpackage RAMHDOBA-6450 and verify all parts are included per above Parts List. Contact Kleinn support if any
questions arise.
6.2. Air Tank Fittings
1. Attach and tighten air fittings to tank, per below illustrations.
a. Apply two small drops of Kleinn Air Horn Juice to each male pipe thread.
b. Hand-tighten each fitting, then further tighten each 1/4-1/2 turn using proper sized combination
wrench (or equivalent); adjust as necessary to match fitting orientation shown.