Direction Of Installing The Principal Fan Motors - Olivetti PG L2140 Service Manual

(4) Direction of installing the principal fan motors

When detaching or refitting the fan motor, be careful of the airflow direction (intake or exhaust).
Power source fan motor
(Rating label: inside)
Intake
Developer fan motor
(Rating label: inside)
Intake
Intake
LSU fan motor
(Rating label: inside)
Figure 1-5-52
1-5-30
Y 114940 - 1 Service Manual