To Adjust The Extension Axis Belt Tension; Figure 2-14 Extension Axis Belt - Sun Microsystems Enterprise Tape Library 7/3500 Field Service Manual

See
FIGURE 2-13
4. Make the measurement at the midpoint of the belt through the access hole on the
extension axis.
Note – The smooth side of the belt is the outside. The gear side of the belt is the
inside.
5. With the force gauge supplied in the service kit, deflect the outside span of the
belt inward
0.11 inches.
6. The force gauge reading should be 2.75 + 0.25 ounces (70-85 g).

To Adjust the Extension Axis Belt Tension

See
FIGURE 2-14
1. Loosen the pulley idler mounting nut one revolution.
2. Grasp the pulley idler by looping one finger over the sheet metal of the platform,
and applying a light, steady force to tighten the belt. Snug the pulley idler
mounting nut while holding the pulley idler.
3. Recheck the belt tension and readjust, if necessary
.
Extension axis belt
Pulley
idler
Pulley idler
mounting nut
FIGURE 2-14
.
.
Extension axis belt
TA00021a
TA00097a
Extension Axis Belt
Access hole
Chapter 2 Preventive Maintenance
Pulley idler
43