i. Check and Grease the Slack Adjusters regularly: 
The slack adjusters help to align when in use. A truck can either have manual or automatic slack adjustors. Automatic slack adjustors work automatically to keep the break aligned while manual requires the driver of the truck to do the adjustment manually. Both types of slack adjuster can work perfectly if they are greased.

ii. Check brake linings and Hoses:
Before using the truck, check that the lining and hoses are in their proper working conditions. Ensure that linings have not been soaked with lubricants and are at least ΒΌ-inch thick. Air hoses must not show any signs of cracks or appear worn out. Make sure that you replace damaged lining or hoses regularly where necessary.  

iii. Replace worn out parts: 
Various parts of the brakes need to be replaced on a regular basis to keep the brake perfect. Brake shoes include build in features that help to indicate when replacement is required. The common parts of brakes that may need to be replaced regularly include pins, springs, brake pads and bushing for the brakes. Drums should be checked when shoes need to be replacing since they can wear down and can develop heat cracks.

iv. Check the performance of the Air Compressor Pressure Gauge regularly: 
Application pressure determines the efficiency of stopping a moving truck. Application pressure should always be greater than 60 psi. In ideal cases, the pressure should run between 100 psi and 125 psi. If you find that the pressure is consistently falling, have the system serviced and if the application pressure has come below 60 psi, you should avoid using the truck.

v. Check and Grease the S cams regularly: 
Slack adjustors work to turn the shaft, which then helps to turn the S cams, which help to push the brake shoe into the drum and stop the truck. S c cams need to work well so when you check your brake shoes check whether it is working well. You may need to grease regularly to ensure that it is working properly.

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