18
Scroll Enclosure Air Compressors
Scheduled Maintenance
(Continued)
5. Insert new dust seal on the backup tube (See Figure 14).
6. After replacing tip seal set, reassemble Fixed Scroll set to
the Orbit Scroll. Tighten nuts and bolts temporarily and
confi rm if pump pulley rotates smoothly by hand and
tighten them fi rmly. Tightening torques are:
NOTE: Assemble so that dust seal and tip seal will not drop
between Orbit Scroll set and Fixed Scroll set.
Dust
Seal
Back-up
Tube
Figure 14
Bolt Torque
First Second
17 in lb. 265 in lb.
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