Water Pump For Air Cooler Cooling - Inspect - Mitsubishi S12A2 Service Manual

2.11.4 Water pump for Air cooler Cooling - Inspect

Measure the bearing fit diameters of water pump bearing housing and shaft, and the inside and outside diameters of bearing.If
any of the measurements is out of the standard, replace the part with a new one.
Item
Inside diameter of bearing fit
Bearing
Outside diameter of shaft fit to bearing
Impeller front clearance
Pump case
Bearing cover
Outside diameter
Inside diameter ø28 mm [1.1024 in.]
ø28 mm [1.1024 in.]
Chapter 10 COOLING SYSTEM
Nominal value
ø62 mm [2.44 in.] 61.988 to 62.018 mm [2.4404 to 2.4416 in.]
ø68 mm [2.68 in.] 67.961 to 67.991 mm [2.6760 to 2.6768 in.]
ø68 mm [2.68 in.] 67.987 to 68.000 mm [2.677 to 2.6772 in.]
27.990 to 28.000 mm [1.1020 to 1.1024 in.]
28.002 to 28.015 mm [1.1024 to 1.1034 in.]
0.8 mm [0.031 in.] 0.5 to 1.1 mm [0.020 to 0.043 in.]
Standard value
10-35