Specifications
4M41 ENGINE -
Crank Shaft and Crank Case
11B-25-4
"
B
A
THRUST PLATE INSTALLATION
Install the thrust plates
18
and
23
to the crankshaft assembly
19
at No.5 journal only. Install all halves of th e thrust plates
with the oil groove
A
oriented outward.
Caution
If any oversize thrust plates are to be used, be sure to
use an upper thrust plate 23 and lower thrust plate 18
of the same size at one side. However, using the same
size upper (or lower) thrust bearings on both sides is
not necessary.
"
C
A
CRANKSHAFT GEAR INSTALLATION
(1) Before installing, heat the crankshaft gear
20
to
approximately 100_C with a piston heater or the like.
Caution
Use care not to be burned.
(2) Align the notch
B
in the crankshaft gear
20
with the key
21
of the crankshaft
22
, then install the crankshaft gear
20
onto the crankshaft by tapping on the end face lightly
with a plastic hammer.
"
D
A
LOWER CRANKCASE ASSEMBLY INSTALLATION
Caution
Before installing the lower crankcase assembly 15, check
the head of the main cap bolt 14 for punch marks A.
The number of punch marks corresponds to the number
of times the bolt has been tightened to the plastic area
(bolts with two or less punch marks are reusable). If there
are three, replace the main cap bolt 14.
(1) Apply a 2 mm thick bead of specified sealant to the fitting
surface of the upper crankcase assembly
24
as shown.
Specified sealant:
Mitsubishi Genuine Part No. MD970389 or
equivalent
Caution
1. Apply sealant evenly, not broken or oversupplied.
2. Use care not to let the applied sealant slip out
of place during installation.
(2) Apply a thin coat of engine oil to the threaded part and
seating surface of each main cap bolt
14
, then tighten
the bolts to a torque of 20 ± 2 Nm in the sequence of
the numbers shown (17 - 26).
(3) After tightening, give the bolts an additional 90_ turn.
(4) Then, give the bolts another 90_ turn to tighten them
completely.
(5) Following the main cap bolts
14
, tighten the bolts
13
to the specified torque in the sequence of the numbers
shown (1 - 16).
(6) After installing the lower crankcase assembly
15
, check
the following:
1) Smooth rotation of crankshaft assembly
19
2) End play of the crankshaft assembly
19
PWEE9409-D
E
Feb. 2000Mitsubishi Motors Corporation Added
A
A
A
A
23
19
18
22
20
21
B
A
14
24
1
5
2
3 6
7
8
9
10
11
12
13
18
16
14
17
15
19
20
24
22
25
26
21
23
4