Snapper 400Z Operater's Manual - Page 33
Deck Rod Timing Adjustment, Deck Leveling Adjustment
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Regular Maintenance Deck Rod Timing Adjustment 1. Park the machine on a flat, level surface. Disengage the PTO, engage the parking brake, turn off the engine, and remove the ignition key. Rear tires must be inflated to 15 psi (1,03 bar); front tires to 40 psi (2,76 bar). 2. To check the lift rod timing, measure and record the distance between the lift pivots and the rod pivots. Repeat for other side of unit. See Figure 36. 3. If the measurements for the rods are equal, no further adjustment is required. If the measurements are NOT equal (greater than 1/8" (3,17 mm) difference), adjustment is required continue with Step 4. Figure 36. Check Lift Rod Timing 4. Lock the deck lift pedal in the 4-1/2" (11,47 cm) position. Remove the cutting height adjustment pin and lower the mower deck. 5. To ensure that the deck is in the lowest position, push the pedal by hand towards the rear of the unit and install the height adjustment pin in the 3" (7,6 cm) position to hold in place. 6. Block up the mower deck until all hanger chains are slack. Refer to Figure 38. 7. See Figure 37. To adjust the lift rod, loosen the jam nut on the front clevis then remove the 1/2" clevis pin fastening the clevis to the lift pivot arm. Turn the clevis r n clockwise to shorten the distance between the rod pivots or counterclockwise to lengthen the distance between fo tio the rod pivots. Reinstall the clevis on the lift pivot arm and secure with the 1/2" clevis pin previously removed. Tighten the jam nut against the clevis. t c 8. Remove the blocks from the under the mower deck. 9. Remove the cutting height adjustment pin from in front o u of the deck lift pedal arm. Lift mower deck and reinstall adjustment pin in desired mowing height. N d Deck Leveling Adjustment o NOTE: Before adjusting the deck level, the deck lift rod r timing muyst be checked and/or adjusted. p 1. Park the machine on a flat, level surface. Disengage the PTO, stop the engine and engage the parking e brake. Check the tires from proper inflation levels. See Checking Tire Pressures. R 2. Lock the deck lift pedal in the 4-1/2" (11,47 cm) Figure 37. Adjust Lift Rod Timing Figure 38. 2 x 4 Locations position. Place the deck height adjustment pin in the 4" position and lower the deck lift pedal until the arm contacts the pin. 3. Place 2 x 4 blocks under each corner of the mower deck with the 3-1/2" side being vertical. Place a 1/4" (0,64 cm) thick spacer on top of the rear 2 x 4 blocks. See Figure 38. 4. Adjust the front eyebolts until the chains are tight and the deck is still resting on the 2 x 4 blocks. Tighten the jam nuts. See Figure 39. 5. Loosen the nuts and allow the rear of the deck to rest on the 2 x 4's and 1/4" spacers. Slide the chains down in the slots until the chains are tight and tighten the nuts. See Figure 39. 6. Remove all 2 x 4 blocks and spacers from under the Figure 39. Hanger Chain Adjustment mower deck. 31