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Figure 45
1. Wiper
2. Distance between
paddle-blade edge and
wiper edge—3 to 6 mm
(1/8 to 1/4 inch)
3. Wiper bar
5. Adjust the position of the wiper so that the wiper
lightly contacts the drum across the length of the wiper
(Figure
46).
Figure 46
1. Wiper lightly contacting the drum at the smallest distance
between the drum and the wiper of the paddle
6. Adjust the position of the paddle blade so that the
outer edge is 3 to 6 mm (1/8 to 1/4 inch) from the
outer edge of the wiper.
7. Torque the carriage bolts and nuts to 19 to 25 N-m
(14 to 18 ft-lb).
8. Repeat steps
4
through
paddle row.
9. Repeat the procedure for the other paddle rows.
4. Paddle blade
5. Carriage bolt and flanged
locknut
7
for the other paddle for that
Aligning the End Paddle Wipers
1. Rotate the wiper and fixed paddle around the endplate
of the drum and locate smallest distance between the
drum and the wiper of the paddle.
2. Mark the inside of the endplate at the location that you
determined in step 1.
1. Carriage bolt and flanged
locknut
2. Closest point of contact
3. Align the wiper of a paddle to the mark.
4. Loosen the carriage bolts and flanged locknuts that
secure the paddle blade and wiper to the fixed paddle.
(Figure
47)
5. Adjust the position of the wiper so that the wiper lightly
contacts the end plate across the length of the wiper.
6. Adjust the position of the paddle blade so that the
outer edge of the bar is 3 to 6 mm (1/8 to 1/4 inch)
from the outer edge of the wiper.
7. Torque the carriage bolts and nuts to 19 to 25 N-m
(14 to 18 ft-lb).
8. Repeat the procedure for the wiper at the end plate on
the other end of the drum.
30
Figure 47
3. Drum endplate
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