Table of Contents
- 1 What PSI should my lift axle be at?
- 2 What is Hendrickson air suspension?
- 3 What is Hendrickson Primaax suspension?
- 4 How do you measure Hendrickson ride height?
- 5 How do I know if my Hendrickson suspension?
- 6 What’s a spiff axle?
- 7 What is the type of suspension used in heavy duty trucks?
- 8 Where can I get Hendrickson air bag springs?
- 9 Why do Hendrickson air springs weigh so much?
What PSI should my lift axle be at?
4. Axle should be completely lifted when truck air pressure returns to the air compressor cut-out point (usually 120 psi). 1.
What is Hendrickson air suspension?
Hendrickson is a leading global manufacturer and supplier of medium and heavy-duty mechanical, elastomeric, and air suspensions; integrated and non-integrated axle and brake systems; tire pressure control systems; auxiliary lift axle systems; parabolic and multi-leaf springs; stabilizers; bumpers; and components to the …
What is Hendrickson Primaax suspension?
With its rugged, weight efficient design, PRIMAAX® EX is a severe-duty vocational air suspension that delivers advanced suspension technology for the rigorous demands of vocational, severe-service, and heavy-haul applications.
Has Hendrickson been suspended?
Heavy Duty Air Suspension Hendrickson’s HAS™ 40K/46K air suspensions provide excellent on- and off-highway performance, ride quality, and cargo protection. Both HAS 40K and HAS 46K are approved for use with lift axles and up to 25 percent off-highway operation.
Are lift axles legal in Ontario?
On July 1, 2019, O. Reg. 413/05 was modified to allow self-steer axles to be lifted in emergency situations via controls installed in the cab of Safe, Productive, Infrastructure-Friendly (SPIF) trucks or tractors.
How do you measure Hendrickson ride height?
1. measure the distance from the top of the axle to the mounting surface of the suspension (Figure 3). 2. Add half of the axle diameter to this measurement to determine your suspension’s ride height.
How do I know if my Hendrickson suspension?
- Find the identification tag on Left Hand trailing arm. of the suspension. Fig.
- If no suspension model can be obtained by completing step 1, refer to the following pages to help determine what suspension model is on the trailer.
- If no tag is found, contact the trailer manufacturer and quote the VIN number of the trailer.
What’s a spiff axle?
– The Ontario Ministry of Transportation will defer the enforcement of new rules that govern the emergency controls for self-steering lift axles in what’s known as a SPIF configuration. The axle will need to lift as soon as the switch is activated, and the override must be limited to speeds of less than 60 km/h.
What is spiff axle?
Safe, Productive, Infrastructure-Friendly
Safe, Productive, Infrastructure-Friendly (SPIF) Vehicles As the name implies, SPIF vehicles are designed to be as productive as possible, while ensuring that their performance characteristics meet or exceed national guidelines for minimizing heavy-truck damage to roads and bridges.
How do I adjust my air suspension?
In order to adjust the ride height, loosen the hose clamp and move the rod down to decrease the ride height and up to increase the ride height. After the correct height (free travel) is attained, tighten the hose clamp to prevent the adjusting rod from moving.
What is the type of suspension used in heavy duty trucks?
Heavy-duty vehicles (Class 8) are most often tandem drive axle (6×4) configurations. “These vehicles can utilize mechanical steel spring suspensions, mechanical elastomeric (rubber) spring suspensions, or air suspensions.
Where can I get Hendrickson air bag springs?
These truck air bags can usually be shipped the same day of the order to anywhere by UPS. Hendrickson air springs are designed and tuned specifically for approved applications. Choosing an air spring other than the original can alter the performance of a suspension.
Why do Hendrickson air springs weigh so much?
Variations in internal bumpers and flexmember bias can affect how much weight is carried by a given amount of air, which could mean a front axle in a tandem weighs out differently from the rear. Ride quality and performance are key factors when designing the internal make-up of Hendrickson air springs.
How tall is a Hendrickson air bag hole?
Hendrickson Rolling Lobe Part Number Bottom Plate Hole/Stud Qty. Top Plate Dia. Bottom Plate Dia. Collapsed Height 57920-002L 1 6.31 7.25 5 57965-002L 1 6.31 7.25 5 C-25559 4 9 9.5 5.6 S-20010 4 9 9.5 5.6
When did Hendrickson air suspensions come out for trailers?
A new era in Hendrickson air suspension technology was launched in 2007 with QUAANTUM™.Designed for a variety of trailer needs,all QUAANTUM components,including air springs,shock absorbers,brakes and wheel ends, work together to form a completely cohesive system.