INSTALLATION INSTRUCTIONS
Thank you for purchasing a quality Hellwig Product.
PLEASE READ THIS INSTRUCTION SHEET COMPLETELY BEFORE STARTING YOUR INSTALLATION
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 UNITON CHEVY/GMC ASTRO VANS OR ANY OTHER VEHICLE WITH PLAS-
TIC COMPOSITE SPRINGS.
NOTE: THIS KIT CONSISTS OF TWO LONG AND TWO SHORT LEAF SPRINGS. THE SHORT LEAF WILL MOUNT TO THEFRONT
OF THE AXLE AND THE LONG LEAF WILL MOUNT TO THE REAROF THE AXLE ON THE VEHICLE SPRINGS.
NOTE: THEMINIMUM ALLOWABLE ADJUSTMENT WILL BE JUST TIGHT ENOUGH THAT THE U-BOLTS AND CROSSBARS
WILL NOT MOVE OR RATTLE WHEN THE VEHICLE IS DRIVEN.
THE MAXIMUM ALLOWABLE ADJUSTMENT WILL BE SO THAT THE CUPPED ENDSOF THE HELPER SPRING ARE (1/8)
INCH ABOVE THE VEHICLES LEAF SPRINGS.
NOTE: IF YOUR VEHICLE IS EQUIPPED WITH A BRAKE FLUID PROPORTIONING VALVE ON THE REAR AXLE READ INSERT
(R-362)
NOTE: Your spring may have a small hole in the end, this is for our manufacturing process and will not be used.
1. Jack up the vehicle by the frame just until the rear tires are about to leave the ground. Be sure to block the front tires and use
safety stands.
2. Lay the helper springs on top of the vehicle leaf springs, as close as possible to the axle without making contact.
3. Place the U-bolts into the cupped ends of the helper spring so that the U-bolt threads are pointing towards the ground and below
the vehicle leaf springs.
4. Install the crossbar, washers and nuts on the U-bolts closest to the axle first. Tighten these U-bolts completely and double nut.
5. Install the crossbars, washers and nuts on the U-bolts at the ends of the helper springs.
6. Lower the vehicle to the ground and adjust for desired height and tension. To adjust for more load capacity draw the nuts tighter,
loosen to relief capacity. Make certain that double nuts are used after each and every adjustment made. Minimum clearance be-
tween the bottom of the U-bolt saddle and the top of the vehicles spring should be no less than 1/8 inch.
7. Bounce the vehicle and check for clearance on all undercarriage components wiring, brake and fuel lines.
8. After one week of driving recheck your installation readjust if necessary. Recheck your installation on a monthly regular basis
thereafter.
ATTENTION INSTALLER: BE SURE THAT THE CUSTOMER RECEIVES THIS INSTRUCTION SHEET, ALL IMORTANT
NOTE CARDS AND THE WARRANTY FORM
( R-93 ) 12/16/2011
559-734-7451 800-367-5480 FAX 559-734-7460
(2 pages)
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Commentaires sur ces manuels