Cub Cadet 8404 User Manual
Page 149

TRANSMISSION
4-45
D615-W02 May-2003
615W477A
615W476A
615W475A
F. Checking piston, pressure plate and return
plate for flatness
1. Using feeler gage, measure the flatness of piston,
pressure plate, and return plate.
2. If exceeds allowable tolerance, replace it.
G. Checking Length of free tension in piston
return spring
1. Using venire calipers, measure the length of free
tension in spring.
2. If exceeds allowable tolerance, replace it.
Sect.
Specified
Allowable Limit
Flatness of
piston
Flatness of
pressure plate
Flatness of
return plate
Sect.
Specified
Allowable Limit
Length of spring
free tension
46.5 mm
1.83 in.
42.0 mm
1.65 in.
1.5 mm
0.006 in.
0.3 mm
0.012 in.
0.25 mm
0.010 in.
0.05 mm
0.002 in.
0.1 mm
0.004 in.
0.1 mm
0.004 in.
H. Checking seal ring for worn
1. Measure the thickness of seal ring using microme-
ter.
2. If exceeds allowable tolerance, replace it.
Sect.
Specified
Allowable Limit
Thickness of
seal ring
2.35 ~ 2.40 mm
0.093 ~ 0.094 in.
2.0 mm
0.079 in.