Warpage Of Top Face; Checking Cylinder Block Top Face For Warpage - Cub Cadet 7360SS Service Manual

Piston and piston ring
Size Size code
Standard STD
0.25(0.0098) 25
oversize
0.50(0.0197) 50
oversize
Taper and
out-of-round

(2)Warpage of top face

Using a heavy accurate straight edge and a
feeler gauge, check the top face for warpage
in two positions lengthwise, two crosswise and
two widthwise as shown in the illustration. If
warpage exceeds the limit, reface the top face
with a surface grinder.
The maximum permissible amount of stock
to be removed from the cylinder head and
block by grinding is 0.2 mm(0.008 in.)intotal.

Checking cylinder block top face for warpage

Item
Warpage of cylinder 0.05(0.0020)
block top face
Unit:mm(in.)
Bore
Standard Limit
+0.03
78
0
+0.0012
(3.07 )
0
+0.03
78.25 Standard
0
+0.0012
(3.0807 ) +0.2
0
+0.03
78.50 (+0.08)
0
+0.0012
(3.0905 )
0
0.01(0.0004)
maximum
Unit:mm(in.)
Standard Limit
0.10
maximum (0.0039)
92