Nexen BTBA-10 927409 - Manual (Page 10)

10 FORM NO. L-21180-E-0111
Refer to Figures 7 - 9.
1. Loosen the 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. Release a Friction Facing Assembly (Item 4) by pulling
the Ring or Finger Nut (Item 42) that is attached to
Retaining Pin (Item 7).
4. Slide the old Friction Facing Assembly (Item 4) out of
the BTBA.
5. Slide a new Friction Facing Assembly (Item 4) into the
BTBA.
6. Release the Ring or Finger Nut (Item 42) that is
attached to the Retaining Pin (Item 7). The Retaining
Pin (Item 7) locks the new Friction Facing Assembly
(Item 4) securely in place.
7. Repeat these steps until you have replaced all six
(BTBA-10) or eight (BTBA-12) of the Friction Facing
Assemblies (Item 4).
8. Reinstall the Guard (Item 12) to the Endcap (Item 3)
and hand tighten the Pan Head Screws (Item 11).
FRICTION FACING ASSEMBLY
Figure 9
Figure 7
Pan Head Screw
(Item 11)
Endcap
(Item 3)
Guard
(Item 12)
Figure 8
( or Finger Nut)
Friction Facing
Assembly
(Item 4)
Ring
(Item 42)
Retaining Pin
(Item 7)
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.