TM 9-2815-225-34&P
3-47. TURBOCHARGER REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
a. Disassembly (Contd)
15. Sleeve (8) and ring seal (9)
Remove ring seal (9) by
Discard ring seal (9).
spreading open with snapring
pliers or small screwdriver.
16. Wheel and shaft (20) and
Remove two seals (19) with small
Discard seals (19).
two turbocharger seals (19)
screwdriver or snapring pliers.
b. Cleaning and Inspection
17. All parts
Place in a divided wire basket.
Carbon deposits will form on
Clean with hot water and soap,
turbocharger parts. Divided wire
mineral spirits, or steam clean.
basket will keep parts from being
Use soft brush to clean parts.
damaged during cleaning. Leave
parts in mineral spirits cleaning
solvent for 12 to 24 hours for max-
imum cleaning.
WARNING
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and protective equipment such as goggles or shield, gloves, etc.
Failure to comply may result in injury to personnel.
CAUTION
Never use a caustic solution solvent that may attack aluminum, Stellite, or nonresistant
alloys.
18. Cleaned parts
Blow off excess water and dry with
Place parts in clean basket to
moisture-free compressed air.
avoid damage and dirt.
19.
Bearing (13)
Inspect for:
Discard bearing (13) if
specifications below are not
a. Minimum accepted length of
met.
3.077 in. (78.156 mm).
b. Outside diameter at two locations
shown is a minimum of 1.272 in.
(32.309 mm).
c. Inside diameter of corresponding
area is a maximum of 0.7525 in.
(19.114 mm).
d. Replace bearing if scratches,
nicks, or dents are found in
above areas.
20.
Impeller housing (6)
Inspect for chips and scratches.
Use crocus cloth to smooth out
small chips and scratches on
machined surfaces of impeller
housing (6).
21. Turbine housing (21)
Inspect for:
a. Wheel to housing contact.
Use crocus cloth to smooth out
small chips and scratches on
machined surfaces of turbine
housing (21).
3-280
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