TM 10-4320-344-24
3.6.7 Impeller Maintenance
This task covers:
3.6.7.1
Disassembly
3 .6 . 7 . 3 A s s e m b ly
3.6.7.2
Repair
INITIAL SETUP
Tools
Material/Parts ( C o n t i n u e d)
General Mechanic’s Automotive
Antisieze Sealing Compound, Appendix C,
Tool Kit, Appendix B, Section
Item 22
III, Item 1
Solvent, Dry Cleaning, Appendix C,
Item 26
Goggles, Industrial, Appendix B,
Two steel bars, Appendix C, Item 27
Section III, Item 2
Two steel rods, Appendix C, Item 28
Seal Assembly (TM 10-4320-344-24P)
Torque Wrench, Appendix B, Section III,
Item 3 (609-A and 609-C)
Equipment Conditions
Vernier Caliper, Appendix B,
Intermediate Bracket Assembly removed,
Section III, Item 3
paragraph 3.6.2.
Material/Parts
General Safety Instructions
Gloves, Appendix C, Item 11
Do not work on equipment without
Lubricant,
Appendix C, Item 14
following standard shop safety
Rags, Appendix C, Item 20
precautions.
3.6.7.1 Removal.
This procedure applies to Models 609-A and 609-C.
The procedure for
Model US636HCCD-1 is similar.
Steps a and b are applicable to Model 609-A.
When removing Model 609-C
impeller, insert two 1 inch (25.4 mm) steel rods through mounting holes of
flexible coupling assembly.
a .
b .
c .
d .
e.
Remove and retain two cap screws (Figure 3-8, 1) and lock washers (2),
diagonally opposite each other, from flexible coupling assembly (3).
Measure thread diameter of cap screw (1) and
and same thread diameter as cap screw (1).
Install two 3 inch (76.2 mm) long screws (4)
coupling assembly (3).
Place steel bar (5), 1 1/4 inch (31.75 mm) x
(355.6 mm) between screws (4) and remove cap
Place second steel bar (8) into impeller (9)
obtain two screws 3 inches long
into threaded holes of flexible
3/8 inch (9.525 mm) x 14 inches
screw (6) and sleeve spacer (7).
between vanes as shown.
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