What kind of air brakes do Mack Trucks use?
As manufactured by MACK Trucks, Inc., the air brake system on MACK chassis (both incomplete and complete) comply with the applicable requirements of U.S. Federal and Canada Motor Vehicle Safety Standards (MVSS) 106, Brake Hoses, and 121, Air Brake Systems.
What are the safety requirements for Mack Trucks?
As manufactured by MACK Trucks, Inc., the air brake system on MACK chassis (both incomplete and complete) comply with the applicable requirements of U.S. Federal and Canada Motor Vehicle Safety Standards (MVSS) 106, Brake Hoses, and 121, Air Brake Systems. Any change or addition to the system may cause the vehicle to no longer be in compliance with
Where is the AC key on a Mack truck?
AC-O KEY SW., START & CHARGING 4 GG TRAILER LIGHTING CONTROL 32 AD GROUNDING 5 GH-O INTERIOR LIGHTING 33 AE BATTERY CONFIGURATION 6 GI SNOWPLOW PREP CONNECTOR 34
How much air volume does a Mack Truck need?
Motor Vehicle Safety Standards (MVSS) 121 requires an air capacity 12 times the total vol- ume of all air brake chambers on the vehicle. For additional information on calculating total air volume and brake chamber rated air volumes, refer to Liftable Axle Air System Requirements section in this bulletin.
How are spring brake chambers installed on Mack Trucks?
Additionally, spring brake chambers are installed on both axles of a tandem rear axle unit so that if there is a partial air system pressure loss, the emergency brake system will stop the vehicle within the required stopping distance, and also to meet parking brake system requirements.
Do you have to change the air system on a Mack truck?
When converting chassis for use other than as originally intended (e.g., converting a truck tractor to a truck), the air system must also be changed to ensure that the vehicle remains in compliance with MVSS. Contact MACK
What should air pressure be on Mack truck?
Motor Vehicle Safety Stand- ards (MVSS) 121 requires that the air compressor must be able to increase pressure in the supply and service (primary and secondary) reservoirs from 586 – 690 kPa (85 –100 psi), with the engine running at maximum governed RPM, in a specific amount of time, depending on required and actual reservoir capacity.
What are the body builder instructions for a Mack truck?
•“Air Tank Fittings”, page 52 •“Brake Literature”, page 53 Mack Body Builder Instructions CHU, CXU, GU, TD, MRU, LR USA74922 Date 10