Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES; Accepted Payment Currency: USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF; Accepted Payment Type: T/T,L/C,D/P D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, Escrow;A manual slack adjuster is a device used in air brake systems to maintain the optimal clearance between the brake shoes and the brake drums of commercial vehicles. It is typically found on heavy-duty trucks, buses, and trailers.The manual slack adjuster is responsible for controlling the amount of slack or play in the brake linkage system. It ensures that the brakes engage and disengage properly, allowing for effective braking performance and preventing excessive wear on the brake components.To adjust a manual slack adjuster, follow these steps:Ensure that the vehicle is parked on a level surface and the parking brake is engaged.Locate the manual slack adjuster on the brake assembly. It is usually positioned on the rear axle near the brake chamber.Identify the adjusting nut on the slack adjuster. It is often hexagonal or octagonal in shape and may have a cover or boot.Using an appropriate wrench or socket, rotate the adjusting nut clockwise to decrease the slack and counterclockwise to increase it.Turn the adjusting nut incrementally until the desired clearance between the brake shoes and the brake drum is achieved. Refer to the vehicle's service manual for the recommended specifications.After adjusting the slack, check the brake operation by applying and releasing the brake pedal multiple times. Verify that the brakes engage and release smoothly.Regular inspection and adjustment of manual slack adjusters is essential for maintaining the overall safety and efficiency of the braking system. It is important to follow manufacturer guidelines and consult professional assistance if needed.