MOWER DECKS
7-81Z580/Z593/Z595 Diesel Service Manual
7
61. Install 4 new bolts securing the pinion assembly to
the to the gearbox housing. Torque the bolts to 280 –
325 in-lbs. (31.6 – 36.7 Nm) (Fig. 987).
Note: The bolts are to be tightened in a crisscross
pattern.
62. Check the pinion shaft end play measurement,
it should be between .004” and .012” (.101 and
.305mm). Adjust the pinion housing shims to adjust
backlash (Fig. 988).
Note: Pinion housing shims and open end cap
shims should not vary more than .005”
(.127mm). If they vary more than that, adjust
the cross shaft shimming until a better
balance is achieved.
Fig 987 IMG-8580a
Fig 988 IMG-8572
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