Volvo Penta TAD1630G, Workshop Manual

Page: 124 / 164

Service procedures - intake and exhaust systems Group 22
122
WARNING! Do not use force.
13
Clamp a suitable 12 point socket wrench in the vise with the
socket axis vertical. Place the bearing housing in the socket.
15
Fit the insert assembly into the bearing housing. Apply mod-
erate pressure to correctly seat the insert (43).
Note: It may be necessary to use a small, soft mallet.
16
Using circlip pliers, fit the large circlip (66). Place the bevel-
led side facing up.
WARNING! Extreme caution is required during fitting.
17
Fit the compressor wheel (7). Fit the compressor wheel lock-
nut (61) and tighten down. Torque 40.7 Nm (30.0 ft-lb).
Note: Use a T-handle torque wrench together with a univer-
sal joint to avoid side-loading the turbine wheel shaft.
18
Referring to the marks made previously, fit the bearing hous-
ing using the V-band clamp (28).
19
Check the axial and radial clearance. See section ”Checking
bearing clearance”.
20
Referring to the marks made previously, fit the compressor
cover to the bearing housing using the screws and washers.
Finally check that the shaft and wheels rotate freely.
14
Fit the thrust bearing (12) and thrust flange (36). Fit the oil
deflector (33) with the angled edge facing down. Fit a new
piston ring (16) to the oil slinger (31) and fit the oil slinger into
the bearing housing. Fit the O-ring (32).
12
Gently slide the shaft and wheel into the bearing housing.
Apply moderate pressure and a slight rotation to allow the
piston ring to centralize and enter the chamfered bore of the
bearing housing.