Airstream 18 - Manual (Page 9)

9
LTD HEATER INSTALLATION
4. Lift heater and align paired
brackets as shown and insert
bolts in corresponding slots as
in table below. Be sure to place
washer provided between tap
and bracket. Tighten bolts snug
but loose enough to slide heater
in and out.
Figure 4: Heater aligned with paired brackets and bolts inserted.
Figure 6: Check the heater stand off distance, based on fan horsepower.
Fan HP
5
7.5
10
15
20
25
Slot
Heater
Middle
End
End
End
End
End
Fan
Middle
Middle
Middle
End
End
End
5. Align mating bracket pairs so
that they are in a straight line.
Tighten bolts on fan and heater
rigid.
6. Make sure the heater stand off
dimension is correct for the fan
used. Refer to the table below.
Slide the heater to meet the
stand off dimension all around.
Tighten mating brackets rigid.
The heater should now be se-
curely fastened to the fan. If not
tighten all loose connections.
Fan HP
5
7.5
10
15
20
25
Stand Off
5"
7"
7"
7 1/2"
8 1/2"
8 1/2"
Figure 5: Align mating bracket pairs in a straight line.
IMPORTANT!