Robin FL-H7500 - Bore diameter; Inside diameter of valve guide; External diameter of skirt in thrust direction; Width of ring grooves

56

VI.CRITERIAFORRECONDITIONING
CriteriaforreconditioningofEH075-typeengine
Parttoberepaired Gauge
Adjustment
limit
Usagelimit

Remarks Tool
Ifnot
adjustable
Borediameter φ51

0.06 0.06  Cylindergauge
CYLINDERBLOCK
Insidediameterof
valveguide
φ4

0.10 0.10 Diameterof
centralpart
Insidemicrometer
Replacement
Externaldiameter
ofskirtinthrust
direction
(6.1-14.1mmhigher
frombottom)
φ50.99

-0.04 -0.04  Micrometer Replacement
Widthofring
grooves
Top


2nd


Oil


1.0


1.0


2.0

+0.06 +0.06  Verniercalipers Replacement
PINhole φ12

+0.03 +0.03   Replacement
GapbetweenPISTON
andCYLINDER
(6.1-14.1mmhigher
frombottom)

 0.1  0.1 Atskirt
bottomin
pistonthrust
direction
Cylindergauge,  Replacement
Gapbetweenring
groovesandrings
Top


2nd


Oil






 0.12

 0.12

 0.20


 0.12

 0.12

 0.20
 Gapgauge Replacement
PISTON
Authorizedtallyof
PISTONand
PISTONPIN

 0.04  0.04  Micrometer 


Replacewhenthewhole
ringworkingfacetouches
theCYLINDER .
Closedgap
Top


2nd


Oil




 0.8

 0.8

 0.8

 0.8

 0.8

 0.8

Gapgauge Replacement
PISTONRING
Width
Top


2nd


Oil


1.0


1.0


2.0


-0.05

-0.05

-0.14

-0.05

-0.05

-0.14
 Micrometer Replacement
Externaldiameterof
PISTONPIN
φ12

-0.012 -0.012   