HF-7-602 Page 35
Figure 7-5 – RETAINING RING INSTALLATION
9. Repeat steps 7 and 8 for remaining insert and retaining ring.
10. Repeat steps 7 through 9 for gear-end bearing housing (3).
11. Attach mounting bracket to inlet port of air cylinder (1) and mount air cylinder on trunnion.
12. Determine drive shaft (long rotor) location and rotational direction from blower model designation. Refer to
arrows cast into air cylinder to determine air flow direction.
13. Position air cylinder vertically with drive-end up.
14. Install two dowel pins (34) into drive-end of air cylinder.
15. Orient bearing housing so dowel holes align with dowels in air cylinder and mount drive-end bearing housing
to air cylinder.
16. Fasten drive-end bearing housing to air cylinder using two socket head bolts (29) in counter bored holes in
bearing housing. Tighten bolts.
Torque: 40 ft-lbs
17. Rotate air cylinder vertically so drive-end is down. Verify adequate clearance for rotor shafts to extend through
bearing housing.
18. Apply light coat of AEON PD oil to inside diameter of two inserts in drive-end bearing housing. Do not apply oil
to outside diameter of piston rings.
19. Thread 3/4-10 eye bolts into the appropriate end of rotor shaft. Using a hoist, carefully install both rotors into
air cylinder ensuring piston rings do not catch on insert. Verify long end of drive rotor extends through drive-
end bearing housing and is in correct bore. Ensure rotation of each rotor matches arrows on outside of air
cylinder. Ensure rotor lobe helix angles match triangular shape of discharge port. Reference FIGURE 7-6.
Summary of Contents for HELIFLOW HYEL AA
Page 27: ...HF 7 602 Page 26 Figure 5 5 FALSE BEARING EQ144211 5...
Page 29: ...HF 7 602 Page 28 Figure 5 8 HAND CRANK EQ144211 8...
Page 30: ...HF 7 602 Page 29 Figure 5 9 MECHANICAL SEAL DRIVER EQ144211 9...
Page 31: ...HF 7 602 Page 30 Figure 5 10 FALSE BEARING SPACER EQ144211 10...
Page 44: ...HF 7 602 Page 43 SECTION 8 PARTS LIST HYEL_AA 300HYE810 D Ref Drawing...
Page 55: ...HF 7 602 Page 54 SECTION 10 PARTS LIST HYEL_AB 301HYE810 B Ref Drawing...
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