Carrier CT2-29-TV Workshop Manual page 42

2.2.8 Crankshaft (Continued)
62--11161
2.2.8.d Main Bearing Case Assembly
1. Remove the two main bearing case screws 1 (7) and
remove the main bearing case assembly 1 (1) being
careful with crankshaft bearing 3 (4).
2. Remove the main bearing case assembly 2 (2) and
the main bearing case assembly (3) as above. Keep
in mind that the thrust bearing (6) is installed in the
main bearing case assembly (3).
When Reassembling
Clean the oil passages in the main bearing cases.
Apply clean engine oil on the bearings.
Reinstall the main bearing case assemblies into their
original positions. Since diameters of main bearing
cases vary, install them in order by marking (b in the
illustration) (1 for Z482 and 1, 2 for D722), from the gear
case side.
The diameters of the main bearing cases vary. Install
them in order from the gear case end according to their
markings
Match the alignment numbers (a) on the main bearing
case assembly 1.
Do the same for the main bearing case assembly 2 (2),
and face the mark 'FLYWHEEL' to the flywheel.
Install the thrust bearing (6) with its oil groove facing
outward.
Confirm that the main bearing case moves smoothly
after tightening the main case bolt 1 to the specified
torque.
Tightening
Torque Case Screw 1
1. Main Bearing Case
Assembly 1
2. Main Bearing Case
Assembly 2
3. Main Bearing Case
Assembly
4. Crankshaft Bearing 3
2--18
12.7 to 15.7 N
Main Bearing
1.3 to 1.6 kgf
9.4 to 11.6 ft- -lbs
5. Crankshaft Bearing 2
6. Thrust Bearing 2
7. Main Bearing Case
Screw 1
(a) Alignment Number
(b) Marking (1 or 2)
.
m
.
m