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Rear Bearing Cap Screws
The three rear bearing cap screws are located under the
depth regulator mounting bracket. If any are loose, it can
cause an oil leak or drive shaft end play. See Fig. 6-3.
Housing Cover Bolts
Check the five bolts securing the tiller housing cover to the
left side of the transmission. Gear oil can leak from a loose
housing cover. To reach the bolts, remove the left side tine
holder. See Tine Replacement in the Service section.
Swing Bolts
Check both of the swing-bolts that connect the power unit
transmission to the tine attachment. Both bolts should be
checked every 2-⁄ hours of operation. If loose, wear can
occur on the locating pin on the power unit, and cause
enlargement of the locating hole in the tine attachment.
Using a torque wrench, tighten these bolts to 70-to-80
ft.-lbs.
Lock Nut on the Shifting Linkage
Check the locknut that fastens the shifting linkage to the
eccentric shifting lever. See Fig. 6-3. Do not tighten the
locknut against the eccentric lever. It should be very close
to, but not touching the lever.
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Tine Hardware
Check the four bolts and nuts securing left and right tine
holders to the tine shaft. See Fig. 6-4.
Transmission Gear Oil
Checking for oil leaks
At 25-hour operation intervals, check the tiller for oil leaks.
Inspect for oil accumulations on the tiller or the floor where
it is stored.
A small amount of oil seepage or wetness around a
shaft opening or cover is no cause for alarm. But a heavy
concentration of oil is more serious. You should tighten all
bolts immediately, and replace any worn seals or gaskets.
It may be impossible to determine how much oil has been
lost, so check the oil levels in the PTO transmission and
the tine attachment before using the tiller again. Add any
necessary gear oil. Serious damage to the transmission
components can result from operation when gear oil levels
are low.
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Tine Hardware
Figure 6-4
Cap Screw
Bolt
Swing Bolt
Lock Nut
Eccentric Lever
Power Unit
Transmission
Figure 6-3
27sectiOn 6 — Maintenance & adjustMents