briggs--stratton 5900302 用户手册
41
Troubleshooting, Adjustment & Service
Deck Lift Rod Timing Adjustment
1. Park machine on a flat, level surface. Disengage
the PTO, stop the engine and engage the parking
brake. Rear tires must be inflated to 15 psi (1,03
bar); front tires to 25 psi (1,72 bar).
brake. Rear tires must be inflated to 15 psi (1,03
bar); front tires to 25 psi (1,72 bar).
2. To check the inner lift rod timing, measure and
record the distance between the inner lift pivots
and the inner rod pivots. Repeat for other side of
unit. See Figure 39.
and the inner rod pivots. Repeat for other side of
unit. See Figure 39.
3. To check the outer lift rod timing, measure and
record the distance between the outer lift pivots
and the outer rod pivots. Repeat for other side of
unit. See Figure 39.
and the outer rod pivots. Repeat for other side of
unit. See Figure 39.
4. If the measurements for the inner rods are equal,
and the measurements for the outer rods are
equal, no further adjustment is required. If the
measurements are NOT equal (greater than 1/8”
(3,17mm) difference), adjustment is required,
continue with Step 5.
equal, no further adjustment is required. If the
measurements are NOT equal (greater than 1/8”
(3,17mm) difference), adjustment is required,
continue with Step 5.
5. Lock the deck lift pedal in the 5” (12,7cm) position.
Remove the cutting height adjustment pin and
lower the mower deck.
lower the mower deck.
6. 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”
(7.6cm) position to hold in place. See Figure 40.
unit and install the height adjustment pin in the 3”
(7.6cm) position to hold in place. See Figure 40.
7. Block up the mower deck until all hanger chains
are slack.
8. Refer to Figure 41. To adjust the inner lift rod,
adjust the 5/8” hex nuts on either side of the
front lift pivot until the measurements are equal.
Repeat for other side.
front lift pivot until the measurements are equal.
Repeat for other side.
9. Refer to Figure 41. To adjust the outer lift rod,
remove the coil pins securing the outer lift rod to
the lift levers. Remove the outer lift rod from the
unit and add or remove 5/8” SAE washers from
in between the deck lift rod and the lift link until
measurements are equal. Reinstall the coil pins
and washer (on front lift lever). Repeat for other
side.
the lift levers. Remove the outer lift rod from the
unit and add or remove 5/8” SAE washers from
in between the deck lift rod and the lift link until
measurements are equal. Reinstall the coil pins
and washer (on front lift lever). Repeat for other
side.
10. Remove blocks from under the mower deck.
11. While pushing the pedal by hand towards the
rear of the unit, remove the the cutting height
adjustment pin from in front of the deck lift pedal
arm. Lift mower deck and reinstall adjustment pin
in desired mowing height.
adjustment pin from in front of the deck lift pedal
arm. Lift mower deck and reinstall adjustment pin
in desired mowing height.
Figure 40. Deck Lift Pedal & Pin Position
Measure 1st
Measure 2nd
Measure 1st
Measure 2nd
Inner Rod
Outer Rod
Inner Rod
Outer Rod
Adjust Here
Adjust Here
Figure 39. Measure the Inner & Outer Lift Rods
Figure 41. Adjust the Inner & Outer Lift Rods
Not
for
Reproduction