Craftsman ZTS 7500 Operator's Manual

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MOWER DECK LEVELINGADJUSTMENTSWARNINGBefore inspecting or adjusting the mower, turnthe mower blades OFF, turn the ignition switchOFF, and allow all moving parts to stop. Removeignition key, then disconnect the spark plug wireand fasten it away from the spark plug.Side to Side LevelingIf the cut is uneven, the mower may need leveling.Unequal or improper tire pressure may also cause anuneven cut. See CHECK TIRE PRESSURE.1. With the mower installed, place the rider on asmooth, level surface such as a concrete floor. Turnthe front wheels straight forward. Turn the engine off,set the ground speed control levers to PARK, andwait for all moving parts to stop.2. Check for bent blades and replace if necessary.3. Check the tire pressures. See CHECK TIREPRESSURE.4. Set the cutting height to mid position. Arrange themower blades so that they are pointing from side-to-side (Figure 36).5. Measure the distance between the tips of the outsideblades and the ground (Figures 35 & 36). If there ismore than 1/8" (3mm) difference between themeasurements on each side, proceed to step 6. If thedifference is 1/8" (3mm) or less, proceed to Front ToBack Leveling.6. See Figure 37. Side-to-side leveling is accomplishedusing the threaded rods (A, Figure 37) and trunnion(B) on the right and left rear sides of the mower deck.Loosen the jam nuts (C) and adjust the nuts up ordown to adjust the mower level. When complete,tighten the jam nuts against each other to lock theadjustment in place.\Figure 35. Measure Blade Tips to GroundA. Mower DeckB. Blade TipC. Level GroundFigure 36. Orient Blades Side-to-SideFigure 37. Side-to-Side AdjustmentA. Threaded RodB. TrunnionC. Jam Nuts28