215651
114
Revision B
5.2
Maintenance Specifications
5.2.1
Installing a Roller Chain
A typical roller chain is shown here, but the same steps apply to any roller chain.
DANGER
To prevent injury or death from the unexpected start-up of the machine, always stop the engine and remove the key
from the ignition before leaving the operator
’
s seat for any reason.
1.
Shut down the engine, and remove the key from the ignition.
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%
&
'
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Figure 5.1: Roller Chain
2.
Position the ends of the chain onto the sprocket.
3.
Install the pin connector (A) (not available as a MacDon
part) into the chain (preferably from backside of sprocket).
4.
Install connector (B) onto the pins.
5.
Install the spring clip (C) onto the front pin (D) with the
closed end of the spring clip facing the direction of sprocket
rotation.
6.
Position one leg of the spring clip (C) into the groove of the
aft pin (E).
7.
Press the other leg of the spring clip (C) over the face of the
aft pin (E) until it slips into the groove. Do
NOT
press the
spring clip lengthwise from the closed end.
8.
Ensure the spring clip (C) is seated into the grooves of the
front pin (D) and the aft pin (E).
5.2.2
Installing Sealed Bearing
A typical sealed bearing is shown here, but the same steps apply to any sealed bearing.
DANGER
To prevent injury or death from the unexpected start-up of the machine, always stop the engine and remove the key
from the ignition before leaving the operator
’
s seat for any reason.
1.
Shut down the engine, and remove the key from the ignition.
$
%
&
'
(
Figure 5.2: Sealed Bearing
2.
Clean the shaft and apply a rust-preventive coating.
3.
Install flangette (A), bearing (B), second flangette (C), and
then lock the collar (D).
NOTE:
The locking cam is only on one side of the bearing.
4.
Install flangette bolts (E). Do
NOT
tighten.
5.
Position the shaft correctly, and lock the lock collar with a
punch. Lock the collar in the same direction the shaft
rotates, and tighten the set screw in the collar.
6.
Tighten flangette bolts (E).
