Nexen BTBA-10 927409 - Manual (Page 11)

FORM NO. L-21180-E-0111 11
Refer to Figures 10 - 13.
1. Loosen the three Pan Head Screws (Item 11) in the
Endcap (Item 3).
NOTE: Do not remove Pan Head Screws (Item 11)
completely from the Endcap.
2. Remove the Guard (Item 12) from the Endcap (Item
3).
3. Remove the Set Screws.
4. Remove the BTBA from the shaft.
BRAKE REPLACEMENT ASSEMBLY
Figure 11
Cylinder
(Item 1)
Hub (Item 5)
Cylinder
(Item 1)
Endcap
(Item 3)
Socket Head
Cap Screws
(Item 6)
FIGURE 12
Figure 10
Pan Head Screw
(Item 11)
Endcap
(Item 3)
Guard
(Item 12)
5. Remove the old Retaining Ring (Item 21) from the
Hub (Item 5).
6. Fully support the Cylinder (Item 1) and press out the
Hub (Item 5) and Rotor (Item 2).
7. Remove the Friction Facings Assemblies (Item 4)
from the Cylinder (Item 1).
8. Remove the Socket Head Cap Screws (Item 6) from
the Cylinder (Item 1).
9. Remove the Cylinder (Item 1) from the Endcap (Item
3).
10. Remove the old Diaphragms (Item 14) from the End-
cap (Item 3).
11. Remove the old O-rings (Item 33) from the ends of
the Pistons (Item 10).
12. Remove the Rings or Finger Nuts (Item 42) from the
Retaining Pins (Item 7).
13. Remove the old Compression Springs (Item 19) from
the Retaining Pins (Item 7).
14. Remove the old Retaining Ring (Item 40) from the
Endcap (Item 3).
DANGER
Remove all power from the fan
BEFORE removing the Guard.
Hazardous Voltage.
Will cause severe injury or death.
CAUTION
Surface temperature may exceed
safe handling limits during
operation. Do not touch.
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.