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- Remove the fixing nut and washer.
- Remove the fixed driving half pulley.
I
I
NSPECTING THE ROLLERS CASE
NSPECTING THE ROLLERS CASE
- Ensure the internal bearing, shown in the figure, is not ab-
normally worn and measure the internal diameter.
- Measure the external diameter of the pulley sliding bus-
hing, shown in the figure.
- Ensure rollers are not damaged or worn.
- Ensure the roller plate shoes are not damaged.
- Check the wear of the roller housings and of the belt con-
tact surfaces on both half-pulleys.
- Ensure the fixed driving pulley exhibits no abnormal wear
on the grooved profile and on the belt contact surface.
- Ensure the 0-ring is not deformed.
CAUTION
DO NOT LUBRICATE OR CLEAN THE BUSHES.
Characteristic
Mobile driving half pulley brass: Standard Diameter
26,000 - 26,021 mm
Mobile driving half pulley brass: Max allowed diameter
26,12 mm
87
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