128
No.
5
Part name
Fan, Shaft,
Bearing,
Coupling,
Fan case
(Continued)
Procedure
2. Attachment
1) Mount a fan to the shaft. Refereeing to the
right photo, arrange the tightening screw at the
right side of the fan against the make-up panel.
On boss of the fan, there is attached a groove
to escape a scratch received when mounting
the hexagon socket head screw to the shaft.
Mount it while aligning scratch of the shaft and
groove of the fan.
Tightening is carried out in the following work.
2) If mounting of bearing to the shaft is required,
mount it in the work of 1).
(For only AP036 to AP042 only)
A groove is provided on the shaft in order to
match the mounting position with the bearing.
Mount the bearing by aligning the single face
of bearing to the groove and then fix it with
hexagon socket head screws (2 positions).
NOTE :
Use a torque wrench for fixing with 1.8 to 2.5 ft
.
lbs(2.5
to 3.4Nm).
3) Put the shaft which was inserted with the fan
into the coupling.
Tightening is carried out in the following work.
4) Mount the bearing in the main unit as before.
NOTE :
Put into the bearing spacer between base and
cover and then fix the bearing spacer with bolts
(M8, 0.47"(12 mm), 2 pcs.))
5) Fix the coupling with the hexagon socket head
screws.
A groove is provided on the shaft in order to
match the mounting position with the coupling.
Mount the coupling by aligning the single face
of coupling to the groove and then fix it.
NOTE :
Use a torque wrench for fixing with 3.6 ft
.
lbs (4.9Nm)
or more.
6) Position the fan so that the fan locates at the
center against the fan case (top) and then fix it
with the hexagon socket head screws.
NOTE :
Use a torque wrench for fixing with 3.6 ft
.
lbs (4.9Nm)
or more.
7) Mount the fan case (top) as before.
Finally, check the fan turns surely and smoothly.
8) Carry out works 2) and 3) of Attachment of
2
.
Remarks
Arrange so that screws are at right side
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