Hellwig Helper Spring 1518 User Manual
Installation instructions
INSTALLATION INSTRUCTIONS
Thank you for purchasing a quality Hellwig Product.
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:
BEFORE STARTING YOUR INSTALLATION, BE SURE TO SET PARKING BRAKE AND CHOCK TIRES.
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 BEING INSTALLED ON BEYOND
THE MANUFACTURER’S MAXIMUM GROSS VEHICLE WEIGHT RATING.
NOTICE:
DO NOT, ATTEMPT TO INSTALL THIS UNIT ON CHEVY/GMC ASTRO VANS OR ANY OTHER VEHICLE WITH PLAS-
TIC COMPOSITE SPRINGS.
( R-1518)
08/26/08
1.
Be sure the vehicle is on flat hard surface, use tire blocks and safety stands. Raise up the vehicle by the frame so that the tires are
just contacting the floor.
2.
Place the accessory spring on top of the springs as per drawing.
NOTE: The short assembly will mount in front and the long assembly will mount on the rear of vehicle’s springs.
Place the leaves as close as possible to the axle without making contact.
3.
Install the U-bolts on the accessory springs using the crossbars, washers and nuts which are provided. Install 1/2 round crossbars
with U-bolts pointing up in location nearsest shock absorbers. Tighten the U-bolts closest to the axle completely.
Double nut this
U-bolt.
4.
Install the crossbar, washer and nuts on the end U-bolt. Install U-bolt on driver’s side front spring per instruction sheet 50155.
Tighten until enough threads show through to install the locknut.
5.
To adjust the spring for more load capacity remove the lock nut from the end U-bolt and draw the U-bolt tighter.
Be sure to
double nut after each adjustment that is made.
6.
Bounce the vehicle and check for clearance on all undercarriage components. Check to see that all wiring, brake and fuel lines
are free and clear of your installation.
7.
Recheck your installation. Are all lock nuts installed? Are the U-bolts closest to the axle drawn down completely tight. After one
week of driving check your installation to see that it is properly tight and has not shifted. Recheck on a monthly regular basis
thereafter.
WHEN INSTALLING THIS UNIT ON COURIER OR MAZDA PICKUPS 1982 OR LATER. IT WILL BE NECESSARY TO RE-
PLACE THE EMERGENCY BRAKE CABLE RETAINER BOLT ON THE MIDDLE SPRING CLIP. YOUR INSTALLATION
KIT HAS A NEW BOLT FOR THE CHANGE. WHEN THE NEW BOLT HAS BEEN INSTALLED THE SPRING CLIP EARS
MUST BE BENT DOWN FLAT AGAINST THE SPRING. COMPLETE THE INSTALLATION AS ABOVE.
ATTENTION INSTALLER:
BE SURE THAT THE CUSTOMER RECEIVES THIS INSTRUCTION SHEET, ALL IMPORTANT
NOTE CARDS AND THE WARRANTY FORM
559-734-7451 800-367-5480 FAX 559-734-7460