Hellwig Helper Spring 1803 User Manual download pdf

INSTALLATION INSTRUCTIONS

Thank you for purchasing a quality Hellwig Product.

PLEASE READ THIS INSTRUCTION SHEET COMPLETELY BEFORE STARTING YOUR INSTALLATIONPROCEDURES.

014 ( R-014) 09/16/2010

559-734-7451 800-367-5480 FAX 559-734-7460

TORQUE TABLE

BOLT SIZE: 3/8” = 20-30 ft. lbs. – 7/16” = 35-45 ft. lbs. – ½” = 50-70 ft. lbs. – 9/16” = 70-90 ft. lbs

SAFETY: PARK YOUR VEHICLEON A FLAT LEVEL SURFACE, SET THE PARKING AND CHOCK THEFRONT TIRES.

NOTE: THIS KIT INCLUDES LOCKNUTS WHICH REQUIRE TIGHTENING WITH A WRENCH AFETRBEING STARTED BY

HAND.

NOTE: IF YOUR VEHICLE IS EQUIPPED WITH A BRAKE FLUID PROPORTIONING VALVE ON THE REAR AXLE READ

INSERT (R-362)

IMPORTANT NOTE: IF YOUR VEHICLE IS EQUIPED WITH A FACTORY CONTACT OVER LOAD IT MUSTBE REMOVED

BEFORE INSTALLING THE NEW HELPER SPRINGS.

IMPORTANT NOTE: HELLWIG HELPER SPRINGS ARE DESIGNED TO INCREASE THE “LEVEL LOAD” CARRYING

CAPACITY OF YOUR VEHICLE. NEVER LOAD THE VEHICLE THAT THIS UNIT IS INSTALLED ON BEYOND THE

MANUFACTURER’S MAXIMUM GROSS VEHICLE WEIGHT RATING.

1. Lay out the spring leaves into two (2) sets. The long end of the spring must be installed toward the rear of the

vehicle and the short end toward the front.

2. Place the spring on top of the main spring with the long end toward the rear of the vehicle.

3. Place the U-bolts with the straight legs in the cups at the ends of the spring with the silencer bushing between

the main spring and the helper spring as shown in the diagram. Loosely install the crossbars using the

hardware provided.

4. Adjust the crossbars on the end of the springs so that the adjacent leaf tip will not make contact with the

crossbar when the spring is deflected. It may be necessary to move the spring stack fore or aft for best

alignment.

5. Install 1/2”U-bolts next to the hat section as shown in the diagram. The U-bolt should be fastened as close to

the hat section as possible. If you are working on 2-1/2” wide springs position the outboard U-bolt leg against

the outboard edge of the main spring to maximize brake hose, caliper, and backing plate clearance. The U-

bolts may also be installed with the legs pointing up and crossbars on top of spring to provide additional

clearance. Install the wide crossbar with the washers and nuts supplied. Torque the nuts to 50-60 ft-lb and

double nut.

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INSTALLATION INSTRUCTIONS 1

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Page 1 - INSTALLATION INSTRUCTIONS

INSTALLATION INSTRUCTIONSThank you for purchasing a quality Hellwig Product.PLEASE READ THIS INSTRUCTION SHEET COMPLETELY BEFORE STARTING YOUR INSTALL

Page 2

7. Adjust the U-bolts at the spring end to desired preload. The minimum tension adjustment is having enough ten-sion on the end U-bolts so that they d

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Hellwig Helper Spring 1803 User Manual

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