Walker H27i Operator's Manual

Also see for H27i: Operator's manual Operator's manual

76Maintenance Instructions ADJUSTMENTSStep 2 - Blade Brake Band AdjustmentAfter the maximum pulley travel is set, adjust theworking travel of the clutch idler pulley by adjustingthe brake band nut and make the following adjustment as needed:1. Adjust the blade brake band, using the adjustment nut until pulley travel is approximately5/8 in. to 3/4 in. (16 mm to 19 mm) from engaged to disengaged.NOTE: As blade brake band/drum wears,pulley travel will increase and it will be necessary to adjust the blade brake band nut tomaintain these dimensions.CLUTCH DISENGAGEDCLUTCH ENGAGED5/8 in. to 3/4 in.(16 mm to 19 mm)Clutch Idler Pulley Travel AdjustmentBlade BrakeBandBlade BrakeBand Adjustment NutChassis Mount(Ref)Blade Brake Band Adjustment2. After adjustments are complete, check bladebrake action as described in CHECKING/SER-VICING the Blade Brake Action in this section.If blades do not stop within five (5) seconds,check the following:a. Make sure clutch and brake linkage areworking freely (no binding).b. Check the brake band lining for wear.c. Check the brake drum on the pulley. If excessive wear is present, it will be necessary to replace worn parts.