SETUP AND ADJUSTMENTS
Mower Deck Leveling
Position machine on a flat surface. Preferably level concrete.
Check the tire pressure in all four tires. Inflation should be 15 psi.
Place 2x4’s on edge under the cutting deck from front to rear and lower the deck down onto 2x4’s.
Adjust the four upper chain bolts to the center slots in the deck lift arms. NOTE: Make sure the lift blocks under the frame are tightly bolted to the frame.
Check the chains for equal tension. If unequal adjust upper chain bolt in slot.
Place the deck in the 5” cutting height and mea- sure from the cutting edge of the blade to the flat level surface to check the deck cutting height.
Throttle Lever Tension
Stop engine and remove key.
Throttle lever tension may be adjusted by tighten- ing the pivot bolt. The pivot bolt secures the throttle arm to the mounting bracket which is mounted to the console. Access is gained by removing the console.
Park Brake Adjustment
For Model: ZBMI48181
1.Stop engine and remove key. Release park brake and measure the length of the spring. The distance between the washer on each end of the spring should be
2.If adjustment is needed, loosen the nut below the spring. Then rotate nut to desired position so the proper distance between the washers is obtained. Check other side for proper ad- justment.
3.Engage the brake lever and measure the dis- tance between the trunnion pin and the collar welded to the brake rod. Distance should be 3/16" to 1/4". FIG - 4
4.If adjustment is needed, loosen the lock nut directly below the yoke. Using a wrench, ro- tate the rod by turning the double nuts using the nuts below the yoke and the nut you just loosened, to obtain the 3/16" to 1/4" distance. Tighten nut against yoke and check other side for proper adjustment.
Park |
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Brake |
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Lever |
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Yoke |
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| Lock Nut |
3/16 to 1/4 |
| Double Nuts |
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Gap Under Collar | Trunnion Pin | |
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| Spring |
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| Washer |
| FIG - 4 |
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