DEK 36B Owner's Manual

Contents

DEK 36B Owner's Manual Manual pdf 17 page image

Rev: 8/2008 17 of 2136B, 36BX, 36H, 36HX, 52H, 52HXDEK® is exclusively distributed by GXi International, LLCHeavy Duty Power EquipmentService AdjustmentsWARNINGDANGER: Before making any adjustments and/or servicing yourlawn mower, make sure the lawn mower is on level ground,blades disengaged, key removed, and the engine off with thespark plug wire(s) removed from the spark plug(s) to prevent ac-cidental contact. If adjustments or maintenance is being per-formed after operation of the lawn mower, allow the unit to coolsince heat build up could cause severe burns.Drive Belt and Brake Adjustment, 36B and BX Models:Engine to Blade Belt Adjustment:1. Remove the deck cover and move the blade control leveron the control console to the “ON” position.2. With approximately 10 lbs of pressure being applied onthe engine to blade belt midway between with pulleys,the belt should move approximately ½”.3. If the belt moves more than ½”, move the blade controllever back to the “OFF” position.4. Loosen locking nut “X”.5. Rotate turnbuckle “Y” until desired tension is achieved.6. Tighten locking nut “A” when finished7. Replace deck cover.Figure 1552” Blade to Blade Belt Adjustment:1. Remove the deck cover.2. With approximately 10lbs of pressure beingapplied on the blade toblade belt, midway be-tween the pulleys, thebelt should move ap-proximately ½”.3. If the belt moves morethan ½”, Loosen lockingnut “M” and turn nut “N”clockwise approximately1-2 turn.4. Recheck the tension on the blade to blade belt. If it isstill loose repeat step 3. Important: Do not over tightenthe blade to blade belt. Over tension can cause prema-ture wear on belts and blade spindles.5. Re-tighten locking nut “M.”6. Replace deck cover.Figure 16To adjust the actuation of the brake and the drive belt, there aretwo adjustable “swivels” attached to threaded rods in the belt /clutch / brake assembly.The objectives of fine tuning the adjustment are to:1. Equalize the “feel” and action between pistol grips on eachside of the mower.2. Achieve desired belt slippage with approximately 50% to 75%travel of the handle bar grips.3. Achieve brake activation during the last 50% travel of the han-dle grips.4. Achieve locked brakes when the handle bar grips are locked inthe “parking brake position.”The upper swivel adjusts primarily the belt slippage on the pulley.To adjust the belt slippage, place the mower in 1st gear and moveuntil locked in gear. Remove the retaining pin (A) and the washer.Pull the swivel out of the hole. Rotate the swivel in the desireddirection on the threaded rod to achieve the desired feel and mo-tion. Place the swivel back into the hole. Reconnect the pin andwasher. Test the belt slippage action of the controls by squeezingthe pistol grip lever. Continue adjusting until you have achieve thedesired feel. Once complete with one side, perform the identicaladjustments to the other side.To adjust the brake activation, start by releasing the parking brakeand leave the handle bar grip in a neutral position. Remove retain-ing clip (B) and washer. Rotate the swivel in the desired directionon the threaded rod to achieve the desired brake activation positionand feel. Place the swivel back into the hole. Reconnect the pinand washer. Test the belt slippage action of the controls bysqueezing the pistol grip lever. Continue adjusting until you haveachieve the desired feel. Once complete with one side, performthe identical adjustments to the other side.ABXYMNIMPORTANT! The mower belts are adjusted to ensurethe blades stop turning within 7 seconds of releasing theblade control lever. If you are making any belt adjust-ments whatsoever, for your safety and the safety of oth-ers around you, you must ensure the belts are re-adjusted to achieve this design specification.