Removal Of The Fanboard And Coil Cleaning; Lubrication: Fan Shaft - Trane HUV Installation, Operation And Maintenance Manual

Maintenance
Figure 58. Removal of screws holding drain pan in
place.
Note: The drain pan is installed at an angle to allow
drainage. For each end of the drain pan,
remember the position (top or bottom slot)
from which the fastener was removed.
4. When reinstalling, use the same steps in reverse order,
remembering the pitch of the drain pan.
Removal of the Fanboard and Coil
Cleaning
The unit ventilator fan board can be removed for service to
the blower motor and fan wheels. The fan board must also
be removed for easier access to the unit coils for cleaning
and maintenance. Utilize the following steps for proper
removal of the fanboard.
1. Turn off power to the unit and remove the front panel.
2. Remove the front air grille and filter from the unit.
3. Pick wires out of the cable chase and tie them out of the
way (see Figure 59).
Note: The cable chase is part of the fanboard
assembly.
86
Figure 59. Tie wires from the cable chase out of the
way
4. Disconnect motor wires.
5. Loosen the four bolts (two on each side of the
fanboard; see Figure 60).
NOTICE:
Equipment Damage!
Support the fanboard before removing the bolts that
support it to prevent it from falling out of the unit,
which could cause equipment damage.
Figure 60. Loosen the two bolts (four total) at either
end of the fanboard
6. For units with face and bypass options only: Before
removing the fanboard, the drain pan must be
removed (Figure 58, p.
been removed, proceed to
7. Remove the bolts and fanboard.
8. When reinstalling, use the same steps in reverse order.

Lubrication: Fan Shaft

One fan shaft bearing is mounted on the right end of the
fan board. This sleeve-type bearing has an inner surface of
sintered bronze which allows oil to flow from the built-in
86). After the drain pan has
Step 7.
UV-SVN02C-EN