TM 9-2815-225-34&P
3-47. TURBOCHARGER REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
a. Disassembly (Contd)
7.
Wheel and shaft (20)
Insert brass drift or wood block
Heat may cause turbine housing
through exhaust outlet end of
(21) and bearing housing (14) to
turbine housing (21) and hold
seize. If necessary, install in
against balance lug nut on wheel
press. Use shop rags to cushion
end of wheel and shaft (20). Tap on
wheel and shaft (20), bearing
drift or wood block to separate
housing (14), and turbocharger
bearing housing (14) from turbine
impeller (1) as they drop from
housing (21). Hold turbine housing
turbine housing (21).
(21) to prevent it from moving
when striking wheel and shaft (20).
Wheel and shaft (20), bearing
housing (14), and turbocharger
impeller (1) will separate from
turbine housing (21).
8.
Turbocharger impeller (1)
Partially remove impeller locknut
Hold balance lug nut at wheel
and impeller locknut (2)
(2).
and shaft (20) end to keep
turbocharger impeller (1) from
turning.
9.
Wheel and shaft (20),
Hold bearing housing (14) and
This will separate wheel and
bearing housing (14), and
tap impeller locknut (2) with soft
shaft (20) from bearing housing
turbocharger impeller (1)
hammer or install in press.
(14). If necessary to use press,
remove impeller locknut (2).
10. Turbocharger impeller (1)
Remove and slide wheel and
Discard impeller locknut (2).
and impeller locknut (2)
shaft (20), insulated packing (17),
and heat shield (18) from bearing
housing (14).
CAUTION
Do not use sharp object to pry between diffuser plate and bearing housing. Failure to
observe caution can result in damage to oil seal and turbocharger.
11. Bearing housing (14) and
Remove diffuser plate (10) from
Use a 7/8-in. deepwell socket.
diffuser plate (10)
bearing housing (14).
Install at wheel and shaft (20)
end and tap with soft hammer
(see illustration).
12. Bearing housing (14),
Remove bearing insert pad (12)
Discard bearing insert pad (12).
bearing (13), and bearing
and bearing (13).
insert pad (12)
13. Diffuser plate (10) and
Remove sleeve (8).
Push out sleeve (8) with thumbs.
sleeve (8)
14. Diffuser plate (10) and
Remove O-ring (11).
Discard O-ring (11).
O-ring (11)
3-278
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