TM 9-4940-568-34
5-65
(4)
Determine the Total Indicator Reading
(TIR).
Example:
inch
mm
12 o’clock
0.000
(0.00)
3 o’clock
+0.0003
(+0.08)
6 o’clock
-0.0002
(-0.05)
9 o’clock
+0.0003
(+0.08)
Equals TIR
0.005
(0.13)
(5)
The maximum allowable Total Indicator
Reading (TIR) is determined by the
diameter of the housing bore. If out of
specifications, replace the housing.
Bore Diameter
SAE
TIR Max
No.
inchmm
mm
inch
mm
2
17.625 to 17.30
(447.68 to
447.80)
0.008
(0.20)
3
16.125 to 16.130
(409.58 to
409.70)
0.008
(0.20)
h.
Follow-On Maintenance.
Install starting motor, (Para 5-23).
Install engine assembly, (Para 5-4).
END OF TASK
