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Page 1. Pull the pushrod out from the brake chamber, using a tool like a pry bar for leverage. Measure the distance between the chalk mark and the face of the brake chamber. With a typical Type 30 clamp type air chamber, you must adjust the brakes if. pushrod travel is: If the red marking on. While checking air brakes. 7 Sep 2018 Drivers of vehicles with air brakes must inspect brake adjustment . used to avoid the need to regularly perform manual brake re-adjustment.Make the adjustment with a brake spanner. The direction of the turn may be clockwise or anticlockwise. On the front wheel, turn the adjuster in the direction of forward wheel rotation. On a rear wheel, turn in the direction specified by the manufacturer in the car handbook or a service manual. 11 Sep 2008 Perform the proper adjustment to the air-gap setting. – Perform the proper adjustment to the manual brake release. SEW-EURODRIVE—Driving the world Slack adjusters are used to manually (Fig. 51) or automatically (Fig. 53) maintain proper brake chamber stroke and lining-to-drum clearance during normal 9 Jun 2014 Parking brake sticking or slipping? A part replacement or lubrication might fix your parking brake. Call Bosch Car Service today for brake repair!