LG ARNU363DDA4 Installation Manual page 22

SHEAVE REMOVAL / ADJUSTMENT
Sheave Removal / Adjustment
Steps require a 4 mm Allen wrench.
Step 1�
Use the 4 mm Allen wrench to loosen (remove / replace) the bolt
behind the sheave.
Step 2�
To adjust the number of turns, loosen the bolt on the front, and turn
the front half of the sheave. To tighten the set screw, rotate clock-
wise. To loosen the set screw, rotate counterclockwise. To prevent
the belt from slipping. Tighten the set screw on the unthreaded
region.
Figure 52: Close Up of the Bolt in the Front of the Sheave.
Step 3�
After the sheave is tightened, reinstall the belt on the sheave and pulley. Tighten the bolt on the back of the motor slide base to add tension
to the belt.
Figure 54: Reinstalling the Belt.
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Figure 51: Loosening the Bolt Behind the Sheave.
Figure 53: Loosening the Bolt in the Front of the Sheave.
Figure 55: Tightening the Bolt on the Back of the Motor Slide Base.