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Place the pinion gear drive key in slot. Fig. 79.
Fig. 79
To install the pinion gear, it will be necessary to
push the spring loaded key down while sliding the
gear on. Be sure the key stays in place. Assemble
the second spacer and retaining ring. After the gear
is installed, turn it forward. It should turn freely and
you should hear a "clicking" sound which is the
key
moving over and off the
drive shoulder. Turn it
backward. The driving shoulder inside the gear
should come against the key and stop the rotation.
If it doesn't function as described above you have
assembled it backward. Remove the gear very
carefully to prevent losing the key and spring and
turn the gear end for end and reassemble it. Fig. 80.
Apply a film of Lawn-Boy oil to the wheel bolts. Fig.
81-A. Assemble the wheel and tighten the bolt. Also
apply a generous amount of Lawn-Boy "A" grease
in the planetary gear of the wheel. Fig. 81-B.
Fig. 81-A
Fig. 81-B
Repeat assembly
procedures following Fig.
76
through Fig. 81-B on the left wheel.
Fig. 82
Fig. 80
20-20
SERVICE BULLETIN REFERENCES
OCTOBER 1984
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