Mitsubishi Electric PUHY-P250YNW-A Service Handbook page 274

[8-14 Replacement Instructions for Motor and Bearing (Indoor Unit) ]
(5) Loosen the two bearing setscrews and two fixing bolts.
Bearing setscrews
(6) Remove the bearing using a bearing puller.
4. Installing a new bearing on the right side
Install a new bearing, following step 3 "Removing the bearing on the right side" in the reverse order.
Refer to the following table for the tightening torque for pulley/bearing setscrew.
Apply screw lock to the setscrews.
Pulley setscrew
Bearing setscrew
Refer to the following table for the horizontal pulley alignment.
Horizontal pulley alignment
Degree of paralleism
Pulley
Cast iron pulley
BS_08_C
Fixing bolts
Tightening torque [N m]
13.5
11.8
K
(arc-minute)
10 or smaller
Note
Equivalent to 3 mm of
displacement per 1 m.
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chapter 8 -