TM 5-3805-258-24-1A I R S Y S T E M A N D B R A K E ST E S T I N G A N D A D J U S T I NGEMERGENCY AND PARKINGBRAKE ADJUSTMENTE M E R G E N C Y A N D P A R K I N G B R A KE1. Rod. 2. Nut. 3. Rod end. 4. Cotter. 5. Nut. 6. Pin. 7.L e v e r . 8 . D r u m . 9 . S h o e ( t w o ) . 1 0 . S t a r w h e e l . A . D i -mension from face of mounting bracket to center of pin (6).B. Stroke of lever (7).WARNINGMake reference to WARNING on first page ofAIR SYSTEM AND BRAKES TESTING AND AD-JUSTING section,.1.2.3.4.5.6.7.8.9.Start the engine and let the air pressure go up tooperating range.Move the control knob for the parking brake toOFF (brake released) position. Stop the engine.Remove cotter (4) and pin (6). Remove lever (7)from its shaft.Turn starwheel (10) to get a clearance betweenshoes (9) and drum (8) of..(.010 ± .005 in.)Loosen nut (2) and turn rodmension (A) of . . . . . . . . . . . . . . . . . . . .install lever (7), pin (6) and0.25 ± 0.12 mmend (3) to get di-100.0 mm (3.94 in.)cotter (4).Usc nut (5) to turn rod (1) until free movementbetween rod end (3) and lever (7) is removed.Tighten nut (2).Move the control knob for the parking brake toON (brake engaged) position and check thestroke [distance (B)]. Do Steps 1 through 8again if distance (B) is more than 19.0 mm (.75in.)NOTE: The parking brake is adjusted correctly if themachine can not be moved in first speed forward.4-66
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