Service Data; Clearance Data And Limits - Robin America EH12-2, EH17-2, EH25-2 Service Manual

12. SERVICE DATA
"STD" in the following table is the parts dimension from the brand new engine or the spare parts.
Whereas, "Limit" shows the maximum allowance for the parts to be used on the engine.
If the measurement exceeds beyond the "Limit", the part needs to be replaced and/or repaired.
12- 1 CLEARANCE DATA AND LIMITS
r
Flatness
1
Valve seat contact width
I
Valve guide inside dia.
IN.
EX.
EH
1
2-2
EH17-2
EH25-2
r
Unit : mrn (in)
EH 12-2 / 17-2 / 25-2
STD
LESS THAN
0.05
(0.002)
0.7
-
1
.O
(0.028
-
0.039)
5.500
-
5.51 8
(0.21 65
-
0.21 72)
6.035
-
6.053
(0.2376
-
0.2383)
Limit
0.1
(0.004)
2.0
(0.079)
5.65
(0.2224)
6.1
5
(0.2421)
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