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TM 10-3930-659-34
Section II. TURBOCHARGER MAINTENANCE
5-8.
TURBOCHARGER TEST AND REPAIR.
This Task Covers:
a.
Bearing Clearance and End Play Test
c.
Assembly
b.
Disassembly
Initial Setup:
Equipment Conditions:
Materials/Parts:
·
Turbocharger removed (see paragraph 4-25).
·
Rags (Item 43, Appendix B)
·
Dry cleaning solvent (Item 47, Appendix B)
Tools/Test Equipment:
·
One locknut
·
One preformed packing
·
General mechanics tool kit (Item 71, Appendix E)
·
Compressor unit (Item 16, Appendix E)
General Safety Instructions:
·
Dial indicator set (Item 19, Appendix E)
·
Dry cleaning solvent is flammable and must not be
·
Machinists vise (Item 76, Appendix E)
used near open flame. Use only in a well-ventilated
·
Torque wrench, 0-300 Ib.-in. (Item 80, Appendix E)
area.
·
Turbocharger turbine wheel holding fixture (Fig-
·
Compressed air used for cleaning purposes should
ure C-3, Appendix C)
never exceed 30 psi (207 kPa).
a. BEARING CLEARANCE AND END PLAY TEST I
WARNING
·
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective goggles and
gloves, and use only in a well-ventilated area. Avoid contact with skin, eyes, and clothes, and DO
NOT breathe vapors. DO NOT use near open flame or excessive heat. The solvents flash point
is 100°F-138°F (38°C-590C). If you become dizzy while using cleaning solvent, immediately get
fresh air and medical help. If solvent contacts eyes, immediately wash your eyes and get medical
aid.
·
Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never
exceed 30 psi (207 kPa). Wear protective clothing (goggles/shield, gloves, etc.) and use caution
to avoid injury to personnel.
5-55
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