Figure 12. Minimum Blower Rotor Clearance
Figure 13. Measuring Rotor Lobe to
End Plate Clearance
Assemble the blower drive spring support as follows:
Place the drive spring support on two blocks of wood (Fig. 14).
Position the drive spring seats in the support.
Apply grease to the springs to hold the leaves together, then slide the two spring packs (15
leaves per pack) in place.
Place the blower drive cam over the end of tool J 5209, insert the tool between the spring
packs and press the cam in place.
Install the drive spring support coupling on the rotor gear at the rear end of the blower.
Figure 14. Inserting Cam in Blower Drive Support