Mitsubishi S12A2 User Manual

2-15
Chapter 2 SERVICE DATA
Water
pump
Inside diameter of case bearing housing
ø62
[2.44]
61.988 to 62.018
[2.4405 to 2.4416]
ø72 [2.83]
71.988 to 72.018
[2.8342 to 2.8353]
Bearing
Large
Outside
diameter
ø72 [2.83]
71.987 to 72.000
[2.8341 to 2.8346]
Inside
diameter
ø30 [1.18]
29.988 to 30.000
[1.1806 to 1.1811]
Small
Outside
diameter
ø62
[2.44]
61.987 to 62.000
[2.4404 to 2.4409]
Inside
diameter
ø30 [1.18]
29.988 to 30.000
[1.1806 to 1.1811]
Outside diameter of shaft fit to bearing ø30 [1.18]
30.002 to 30.011
[1.1812 to 1.1815]
Impeller front clearance
0.6 to 1.4
[0.024 to 0.055]
Impeller back clearance 1.0 [0.04]
Inside diameter of bearing fit
Pump case
ø62
[2.44]
61.988 to 62.018
[2.4405 to 2.4416]
Bearing cover ø68 [2.6]
67.961 to 67.991
[2.6756 to 2.6768]
Bearing
Outside diameter ø68 [2.6]
67.987 to 68.000
[2.6766 to 2.6772]
Inside diameter ø28 [1.10]
27.990 to 28.000
[1.1020 to 1.1024]
Outside diameter of shaft fit to bearing
ø28
[1.10]
28.002 to 28.015
[1.1024 to 1.1030]
Impeller front clearance 0.8 [0.032]
0.5 to 1.1
[0.020 to 0.043]
Sea water
pump
Inside diameter of case bearing housing ø72 [2.83]
71.985 to 72.004
[2.8340 to 2.8348]
Bearing
Outside diameter ø72 [2.83]
71.983 to 72.004
[2.8340 to 2.8348]
Inside diameter ø30 [1.18]
29.987 to 30.003
[1.1806 to 1.1812]
Outside diameter of shaft fit to bearing ø30 [1.18]
30.002 to 30.015
[1.1812 to 1.1817]
Unit: mm [in.]
Item
Nominal
value
Standard value
Limit
value
Remarks

Mitsubishi S12A2 Specifications

General

Brand	Mitsubishi
Model	S12A2
Category	Engine
Language	English