Availability Of Bearings; Crankshaft - Journal Diameter (Mm); Crankshaft - Main Bearing, Big End, And Crankshaft Bearing Internal Diameters, And Relevant Clearances - Kohler RD 441 Service Manual

5
Overhauls and checking
B
M A C
78
79
- 40 -
D
L

Crankshaft - journal diameter (mm)

The undersizes for the cran-
kpin and main journal are
0.25, 0.50 and 1 mm.
Crankshaft - Main bearing, big end, and crankshaft bearing inter-
nal diameters, and relevant clearances.
Caution – Warning
The gears must be mounted with the right tools so that they can
be correctly timed.
The gears should not therefore be demounted.
Only the complete shaft is available as a spare.
Dimensions (mm)
D
E
H
(D-B)
(D-B)
Limit
(E-C)
(A-H)

Availability of bearings

Main bearings are available at their nominal value or undersized 0.25
, 0.50 and 1.0 mm.
Connecting rods bearing are available at nominal value or undersized
0.25 and 0.50 mm.
Workshop Manual KD 441_cod. 1.5302.865_2
M
39.959÷39.975
oil seal working
area
A
41.984÷42.000
B
39.984÷40.000
C
39.984÷40.000
D
oil seal working 27.990÷27.977
area
L 291.500÷291.700
40.030÷40.046
40.030÷40.050
42.020÷42.062
Clearance (mm)
0.030÷0.062
0.120
0.030÷0.066
0.020÷0.078
nd
ed_ rev. 01.