Troubleshooting Guide - Link DURALIFT II Instrucciones De Instalación

Link Manufacturing, Ltd.
223 15th St. NE
Sioux Center, IA 51250
1-800-222-6283
www.linkmfg.com
WARRANTY
Link warrants their suspension's fabricated structural components against failure under normal use for a period of three (3) years from date of installation by the original purchaser.
Under this warranty Link will replace or repair any part that by it's inspection is determined to be defective. In addition, for a period not to exceed one (1) year,* Link will provide a
labor allowance, using guidelines, which it determines to be adequate to properly replace or repair defective structural parts and/or components within constraints as noted below.
All parts and components thought to be defective must be returned with company authorization, freight prepaid, to Link. These returns must be accompanied by a complete written
explanation of claimed defects and circumstances of failure, the serial number, and date of installation. Labor allowance must be authorized by Link prior to initiation of repairs.
*Purchased components and/or accessories other than the fabricated structure (axle and axle assemblies, air springs, wheel end equipment, brake and brake components, and air
control parts) are warranted in accordance with warranty coverage provisions from date of installation.
LIMITATIONS
Link accepts no warranty responsibility for:
• Incidental or consequential damages or loss of time or profits resulting from product failure.
• Damage resulting from owner or operator abuse, misuse or neglect.
• Failure due to improper installation.
• Component parts manufactured by others for Link, beyond those companies' implied or expressed warranty.
This warranty is in lieu of any other warranty, obligation, or liability on the part of Link and no other person is authorized to make any representation or warranties beyond those
expressed herein. All implied warranties of fitness and merchantability for any particular purpose are hereby excluded. There are no warranties of fitness which extend beyond the
description on the face hereof. This warranty does not apply to failures resulting from improper installation, neglect, accident, misuse or operation beyond the rated capability of the
model or the vehicle to which it is attached, nor to any parts which have been altered or repaired without the written consent of Link Manufacturing, Ltd. In no event shall Link be
liable for indirect special, incidental or consequential damages of any nature. The foregoing is Link Manufacturing's only warranty, and all other warranties, whether expressed or
implied, including, but not limited to, the implied warranties or merchantability or fitness for a particular purpose, are hereby disclaimed.
WARRANTY COVERAGE PROVISIONS
ITEM MONTHS
(WHICHEVER COMES FIRST)
MAJOR STRUCTURAL UP TO 12
COMPONENTS
12-36
PIVOT BUSHING UP TO 12
12-36
AIR CONTROLS UP TO 12
AIR SPRINGS UP TO 12
12-36
LINK MANUFACTURED UP TO 12
AXLE COMPONENTS
12-36
OTHER SUSPENSION WARRANTY AS PROVIDED BY THE ORIGINAL EQUIPMENT MANUFACTURER
AND BRAKE COMPONENTS
LINK SUSPENSION PREVENTATIVE MAINTENANCE
Every month or Check wheel bearing oil level and inspect wheels for leaks (SAE 80W-90 Mineral Based Gear Lube).
1,000 miles Check suspension for debris rubbing air springs.
Check for worn steering stabilizer shocks.
Every three months Grease camshaft bushings (Multipurpose NLGI 2).
or 2,500 miles Check for worn suspension bushings.
Check for loose suspension fasteners (Tighten to values given on Torque Table).
Check brake lining wear and replace any cracked, broken or oil soaked linings.
Inspect brake drums for heat checks, grooves, hot spots, glazing, cracks and out of round and replace if necessary.
Inspect wheel ends for excessive play.
Every twelve Grease slack adjusters (Multipurpose NLGI 2).
months Replace wheel bearings lubricating oil (SAE 80W-90 Mineral Based or SAE 75W-80 Synthetic Gear Lube).
or 10,000 miles Check brake chambers and slack adjusters for proper function and excessive wear.
Inspect brake rollers, roller shafts, anchor pins and bushings for excessive wear and replace if necessary.
Check shoes for bent shoe ribs, cracks in shoe table welds and elongated rivet holes and replace if necessary.
Inspect suspension air controls for proper function and leaks.

TROUBLESHOOTING GUIDE

TROUBLE PROBABLE CAUSE
Axle will not stay up Loose Air Fittings
Damaged Air Lines
Damaged or Worn Air Springs
Punctured Load Air Other Components too close to Air Spring
Springs
Loose Convolution Ribs Under Extended Air Springs–Improper ride height
Air Spring Separation at Over Extended Air Springs–Improper ride height
End Plates
Lift Air Spring Wear or Over Extended Load Springs–Crushes lift bag
Broken Bumper
DEALER / INSTALLER: Please remove this section and give to vehicle owner
Serial No: _____________________________________________________.
Part No: __ __ __ __ - __ __ __ __
Capacity: _____________________________________________________.
Date Installed: _________________________________________________.
MILEAGE COVERAGE
UP TO 100,000 PARTS & LABOR ALLOWANCE
100,000-300,000 PARTS ONLY
UP TO 100,000 PARTS & LABOR ALLOWANCE
100,000-300,000 PARTS ONLY
UP TO 100,000 PARTS & LABOR ALLOWANCE
UP TO 100,000 PARTS & LABOR ALLOWANCE
100,000-300,000 PARTS ONLY
UP TO 100,000 PARTS & LABOR ALLOWANCE
100,000-300,000 PARTS ONLY
TORQUE TABLE
SUSPENSION PIVOT FASTENERS ........ 3/4 UNF........... 300-320 FT-LBS
FRAME MOUNT FASTENERS ................. 5/8 UNC .......... 160-180 FT-LBS
HANGER FASTENERS ............................. 1/2 UNC ............ 90-120 FT-LBS
AIR SPRING NUT...................................... 3/4 UNC .............. 40-50 FT-LBS
AIR SPRING NUT...................................... 1/2 UNC .............. 20-30 FT-LBS
AIR SPRING BOLT ................................... 3/8 UNC .............. 15-20 FT-LBS
LIFT ACTUATOR....................................... 5/8 UNF........... 150-190 FT-LBS
CROSS REFERENCE
COMMON REPLACEMENT PARTS
ITEM LINK
LIFT AIR SPRINGS 1103-0060
LOAD AIR SPRINGS 1103-0056
REMEDY
Check and retighten.
Check for excessive wear. Replace if worn or damaged.
Check for clearance all around air spring under full load and deflated.
Move anything coming in contact with air springs.
Check for proper ride height. A) Use smaller tires.
Check for proper ride height. A) Use bigger tires. B) Lower suspension.
Check for proper ride height. A) Use bigger tires B) Lower suspension.
C) Install over-extension straps.
FIRESTONE CONTITECH
W01-095-0437 975N
W01-358-7996 161524