Takeuchi TB014 Werkstatt-Handbuch Seite 414

SM-E2B SERIES, WSM
Main Bearing Case Assembly
(Z482-E2B, D662-E2B, D722-E2B, D782-E2B)
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, however,
that the thrust bearing (6) is installed in the main bearing case
assembly (3).
(When reassembling)
A Clean the oil passage in the main bearing cases.
A Apply clean engine oil on the bearings.
A Install the main bearing case assemblies in original positions.
Since diameters of main bearing cases vary, install them in
order to marking (b) (1 for Z482-E2B and 1, 2 for D662-E2B,
D722-E2B, D782-E2B) from the gear case side. (Refer to the
figure.)
A Match the alignment numbers (a) on the main bearing case
assembly 1.
A Do the same for the main bearing case assembly 2 (2) and the
main bearing case assembly (3) too.
A When installing the main bearing case 1 and 2, face the mark
"FLYWHEEL" to the flywheel.
A Install the thrust bearing (6) with its oil groove facing outward.
A Confirm that the main bearing case moves smoothly after
tightening the main bearing case screw 1 to the specified
torque.
Main bearing case
Tightening torque
screw 1
(1) Main Bearing Case Assembly 1
(2) Main Bearing Case Assembly 2
(3) Main Bearing Case Assembly
(4) Crankshaft Bearing 3
(5) Crankshaft Bearing 2
(6) Thrust Bearing
(7) Main Bearing Case Screw 1
S-50
DIESEL ENGINE
12.7 to 15.7
1.3 to 1.6
9.4 to 11.6 ft-lbs
(a) Alignment Number
(b) Marking (1 or 2)
0000008706E