Starter Valve - Inspect; Clearance Between Starter Valve And Starter Valve Guide - Measure; Free Length Of Valve Spring - Measure - Mitsubishi S12A2 Service Manual

2.2 Starter Valve - Inspect

2.2.1 Clearance Between Starter Valve and Starter
Valve Guide - Measure
(1) Measure the starter valve outside diameter and starter
valve guide inside diameter, and calculate the clear-
ance.
(2) If the value exceeds the limit, replace the starter valve
or starter valve guide with a new one. Change the part
with larger difference value to the standard.
Nominal
Item
value
Starter valve ø13 mm 12.973 to 12.984 mm
outside diameter [0.51 in.] [0.5107 to 0.5112 in.]
Starter valve ø13 mm 13.000 to 13.018 mm
inside diameter [0.51 in.] [0.5118 to 0.5125 in.]
Clearance between
valve and valve
[0.0006 to 0.0018 in.]
guide

2.2.2 Free Length of Valve Spring - Measure

Measure the free length of valve spring.
If the value exceeds the limit, replace the valve spring with
a new one.
Item Standard value
Valve spring free length 30 mm [1.18 in.]
Standard value Limit value
-
-
0.016 to 0.045 mm 0.100 mm
[0.0039 in.]
Limit value
28 mm [1.10 in.]
Chapter 12 AIR START SYSTEM
Clearance Between Starter Valve and Starter Valve
Guide - Measure
Free Length of Valve Spring - Measure
12-7