Hendrickson AR2 series - User Manual

AR2
™
Air Over Walking Beam
Suspension
SUBJECT: Service Instructions
LIT NO: 17730-241
DATE: July 2018 REVISION: A
TABLE OF CONTENTS
Section 1 Introduction ...........................2
Section 2 Product Description ...................3
Section 3 Important Safety Notice ...............5
Section 4 Special Tools .........................10
Section 5 Parts Lists. . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
AR2 Plumbing Diagram ................14
Section 6 Preventive Maintenance
Hendrickson Recommended
Inspection Intervals ................15
Component Inspection ................15
Beam End Axle Brackets ...............16
Equalizing Beam End Connection ........18
Bar Pin End Bushing ..................21
Bar Pin Shims .......................21
Rubber Center Bushing ................21
Frame Hanger to Trailing Arm Connection ..22
Longitudinal and Transverse Torque Rods ..22
Saddle Connection ...................23
Cross Tube. . . . . . . . . . . . . . . . . . . . . . . . . . 24
Shock Absorber ......................25
Air Fittings ..........................26
Axle Stops ..........................26
Section 7 Alignment & Adjustments
Ride Height .........................27
Axle Pinion Angle ....................29
Drive Axle Alignment ..................30
Lateral Alignment ....................31
Bar Pin with shims Alignment ...........32
Section 8 Component Replacement
Fasteners ..........................35
Frame Hanger .......................35
Trailing Arm .........................36
Trailing Arm Bushing ..................38
Air Spring ..........................40
Shock Absorber ......................42
Height Control Valve ..................42
Equalizing Beam .....................44
Center Bushing .....................49
Bar Pin End Bushings .................51
Adapter Style End Bushing. . . . . . . . . . . . . . 54
Longitudinal Torque Rods. . . . . . . . . . . . . . . 56
Transverse Torque Rods ................57
ULTRA ROD • ULTRA ROD PLUS
Torque Rod Bushings ...............58
XTRB Torque Rod Bushings ..............61
Cross Tube. . . . . . . . . . . . . . . . . . . . . . . . . . 62
Section 9  .........64
Section 10 Torque Specications ................. 71
Section 11 Troubleshooting Guide. . . . . . . . . . . . . . . . . .

Hendrickson AR2 series Specifications