Mitsubishi S12A2 User Manual

12-10
Chapter 12 AIR START SYSTEM
2.5 Distributer Valve - Inspect
2.5.1 Distributer Valve Height - Measure
Measure the distributer valve height. If the value exceeds
the limit, replace the valve with a new one.
Distributer Valve Height - Measure
2.5.2 Clearance Between Distributer Shaft and Bush-
ing - Measure
(1) Measure the distributer shaft outside diameter and
bushing inside diameter, and calculate the clearance.
(2) If the value exceeds the limit, replace the distributer
shaft or bushing with a new one. Change the part with
larger difference value to the standard.
Clearance Between Distributer Shaft and Bushing -
Measure
Item
Nominal
value
Standard value Limit value
Distributer valve
height
22 mm
[0.87 in.]
21.8 to 21.9 mm
[0.858 to 0.862 in.]
21.5 mm
[0.846 in.]
Item
Nominal
value
Standard value Limit value
Distributer shaft
outside diameter
ø20 mm
[0.79 in.]
19.959 to 19.980 mm
[0.7858 to 0.7866 in.]
-
Bushing inside
diameter
ø20 mm
[0.79 in.]
20.000 to 20.021 mm
[0.7874 to 0.7882 in.]
-
Clearance between
shaft and bushing
0.020 to 0.062 mm
[0.0008 to 0.0024 in.]
0.150 mm
[0.0059 in.]

Mitsubishi S12A2 Specifications

General

Brand	Mitsubishi
Model	S12A2
Category	Engine
Language	English