Hendrickson - PRIMAAX / FIREMAAX
PRIMAAX Rear Air Suspension


The information in this publication contains parts lists, safety information, product specifications, features, proper maintenance and rebuild instructions for the PRIMAAX® EX /  FIREMAAX® EX and PRIMAAX® / FIREMAAX® rear air suspensions.

PRIMAAX EX  / FIREMAAX EX provides the same benefits as standard PRIMAAX / FIREMAAX with additional features designed to increase durability, reliability and handling characteristics. The optimized geometry features a new frame hanger and torque rod configuration that provides increased roll stiffness and reduced roll steer for improved handling. Suspension-induced driveline vibration is significantly reduced with PRIMAAX EX / FIREMAAX EX compared to competitive trailing-arm air suspensions.

To view an electronic version of the manual, select a specific area from the Table of Contents below. This will launch the software program Adobe Acrobat Reader (required). Download the free Adobe Acrobat Reader.

Table of Contents
 
  Table of Contents Detailed
(93 KB)
 
 
  Sections 1 & 2  Introduction & Product Description
(436 KB)
 
 
Section 3  Important Safety Notice
(153 KB)
 
 
Section 4  Parts Lists
(1 MB)
 
 
Section 5  Special Tools
(03 KB)
 
 
 
     
Section 6 & 7  Preventive Maintenance and
Alignment & Adjustments

(595 KB)
 
 
Section 8 & 9  Component Replacement
and Plumbing Diagrams
(936 KB)
 
 
Section 10 & 11 Torque Specifications
and Troubleshooting Guide

(1.3 MB)