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Tighten Bolts and Nuts
Check for loose or missing hardware
every ten (10) operating hours. Failure to
tighten or replace fasteners can cause
poor performance, equipment damage or
oil leakage. See your Parts Catalog for
complete fastener descriptions.
Most hardware on your tiller is visible.
Pay particular attention to hardware
shown in Figures 5-1, 5-2, 5-3 and 5-3A.
1. Check the transmission pulley
mounting bolt (Figure 5-1). If the washer
behind the bolt head is loose, the bolt
needs tightening. To do this, first insert a
punch or thick screwdriver into the hole
next to the bolt and wedge the tool
against the side of the motor mount
casting. This immobilizes the pulley while
you tighten the bolt.
2. Check jam nut on left side of neutral
plunger assembly (Figure 5-2). If loose,
immobilize bolt head with one wrench and
use another wrench to tighten the nut.
3. Check the three rear bearing cap
screws under the depth regulator
mounting bracket (A, Figure 5-3). If any
is loose, it can cause an oil leak or drive
shaft end play.
4. Check the five bolts securing the tiller
housing cover to the left side of the trans-
mission (B in Figure 5-3). Gear oil can
leak from a loose housing cover. To
reach the bolts, remove the left side tine
holder. See
Bolo Tine Maintenance in this
Section for tine holder removal directions.
5. Check both swing-bolts (C, Figure 5-3)
that connect the power unit transmission
to the tine attachment. Both bolts should
be checked every 2-1/2 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.
6. Check the locknut that fastens the
shifting linkage to the eccentric shifting
lever (D, Figure 5-3). Do not tighten the
locknut against the eccentric lever. It
should be very close to, but not touching
the lever.
7. Check the four bolts and nuts securing
left and right tine holders to the tine shaft
(Figure 5-3A).
IMPORTANT: Give screws or bolts that
go into the transmission housing a
coating of non-hardening gasket sealant
to prevent gear oil from leaking.
Tiller Lubrication
Proper lubrication of the tiller’s mechani-
cal parts is an essential part of good
maintenance. Lubrication should be done
after every ten (10) hours of operation.
Use ordinary motor oil (#30 weight or
lighter) where oil is specified. Use a
quality grease with a metal lubricant
where grease is recommended (regular
grease is acceptable). Do not over
lubricate. If there is a build-up of dirt,
remove the build-up and re-apply oil or
grease.
Figure 5-1: Check bolt on transmission pulley.
Figure 5-3A: Tine holder hardware
must be tight.
Figure 5-2: Check jam nut on plunger assembly.
Figure 5-3: Gently tilt tiller forward to check fasteners.
A
B
C
D
Section 5: Maintenance
29
Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come
to a complete stop, disconnect spark plug wire and move wire away from spark plug. Remove ignition
key, if so equipped.
Failure to follow these instructions can result in serious personal injury or property damage.
WARNING