Hellwig Air 6118 User Manual

559-734-7451 800-367-5480 FAX [phone]

INSTALLATION INSTRUCTIONS

6118Air Spring Kit

2008 F-450 Dual Wheel 2WD/4WD

Accommodates High clearance fifth wheel hitch

Thank you for purchasing a quality Hellwig Product.

PLEASE READ THIS INSTRUCTION SHEET COMPLETELYBEFORE STARTING

YOUR INSTALLATION

IMPORTANT NOTES

DO NOT INFLATEAIR SPRINGASSEMBLYUNLESS IT HAS BEEN

PROPERLY INSTALLED ON VEHICLE.

DO NOT INFLATEAIR SPRINGS OVER 100 PSI

AMINIMUM OF 5-10 PSI MUST BE MAINTAINED INAIR SPRINGS
AFTER INSTALLATION FOR WARRANTYTO BE VALID. FAILURE TO
KEEPMINIMUM PRESSURE INAIR SPRINGS WILLVOID WARRANTY.

THIS UNIT IS DESIGNED TO INCREASE THE LEVEL LOAD CARRYING
CAPACITY OFYOUR VEHICLE. NEVER LOAD THE VEHICLE THIS
UNIT IS INSTALLED ON BEYOND THE MANUFACTURER’S MAXIMUM
GROSS VEHICLE WEIGHT RATING.

OVERINFLATIONAND IMPROPER USE MAY RESULT IN PERSONAL
INJURYAND/OR DAMAGE TO YOURVEHICLE AND PROPERTY.

6118 ( R-6118) 02/07/2008

559-734-7451 800-367-5480 FAX [phone]

BEFORE STARTINGYOUR PROJECT

WHEN LIFTING A VEHICLE WITH A JACK, BE SURE TO SET THE PARKING BRAKE AND USE
SAFETY STANDS.

ENSURE THAT THE INSTALLATION OF COMPONENTS WILL NOT CRUSH OR DAMAGE
FUEL AND BRAKE LINES OR ELECTRICAL HARNESSES.

BEFORE DRILLING ANY HOLES, ENSURE THAT ALL ELECTRICAL WIRES, FUEL LINES,
BRAKE LINES, BRAKE HOSES AND ANY OTHER COMPONENTS ARE MOVED OR
PROTECTED TO AVOID DAMAGE FROM DRILLING ANY HOLES .

DO NOT ATTEMPT ANY MODIFICATIONS TO THE VEHICLE OTHER THAN THOSE
OUTLINED IN THIS INSTRUCTION SHEET. IF ANY INTERFERENCE WITH THE GAS TANK,
FUEL LINES, BRAKE LINES, EXHAUST PIPE, ETC. EXISTS, STOP YOUR INSTALLATION AND
CALL HELLWIG PRODUCTS FOR TECHNICAL HELP.

IF WHEELS ARE REMOVED FOR INSTALLATION OF KIT, CHECK MANUFACTURERS
SPECIFICATIONS FOR PROPER LUG NUT TORQUE BEFORE REINSTALLING WHEELS.

WHEN CUTTING AIR BRAKE TUBING A SQUARE CUT IS REQUIRED OR LEAKAGE MAY
RESULT.

1. Park vehicle securely and set parking
brake and chock wheels. Remove fac­tory bump stops from vehicle by remov­ing nuts from studs using a 15mm
wrench or socket.

1

2. Install fitting in port of air spring. Torque fitting to approximately 20 ft-lb.

6118 ( R-6118) 02/07/2008

559-734-7451 800-367-5480 FAX [phone]

Use this hole in frame rail

3

3/8” x 2” Bolt

3. Install upper frame bracket and insert 3/8” X 2” bolt with washer, and lock washer
through hole in frame as shown in photo. Align slotted hole in bracket with bolt and
place bracket squarely against bottom of frame rail.

3/4” Fastener

4. Locate Large hole in frame rail.
Attach frame bracket using sup­plied 3/4” bolt, flat washers, lock
washer, and nut with washers on
both sides of rail and bolt head on

3/8” x 2” Bolt

outside of rail. Leave loose for ad­justment later.

6118 ( R-6118) 02/07/2008