Cub Cadet 8454 User Manual

Page 50

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CHAPTER 2 8454

2-28

D569-W02 May-2003

d. Cylinder Bore

Cylinder bore inner
diameter

87.000 ~ 87.022 mm

3.4252 ~ 3.4261 in.

83.000 ~ 83.022 mm

3.2677 ~ 3.2690 in.

0.15 mm

0.0059 in.

4A220

4A200T

e . Valve Spring

41.7 ~ 42.2 mm

1.6417 ~ 1.6614 in.

12.0 kgf / 35.15 mm

26.46 lbs / 1.3839 in.

-

41.2 mm

1.6220 in.

10.2 kgf / 35.15 mm

22.49 lbs / 1.3839 in.

1.0 mm

0.0394 in.

Item

Factory Specification

Allowable Limit

f. Rocker Arm

18.955 ~ 18.980 mm

0.74600 ~ 0.74724 in.

19.0 ~ 19.035 mm

0.74803 ~ 0.74941 in.

-

-

Item

Factory Specification

Allowable Limit

Rocker arm shaft O.D

Rocker arm bushing I.D

g. Tappet

0.020 ~ 0.062 mm

0.00079 ~ 0.00244 in.

23.959 ~ 23.980 mm

0.94327 ~ 0.94410 in.

24.000 ~ 24.021 mm

0.94488 ~ 0.94571 in.

0.07 mm

0.0028 in.

-

-

Item

Factory Specification

Allowable Limit

Clearance between tappet and guide

Tappet O.D

Tappet guide I.D

h. Camshaft

0.01 mm

0.0004 in.

33.90, 33.59 mm

1.3346, 1.3224 in.

33.70, 33.69 mm

1.3268, 1.3264 in.

0.050 ~ 0.091 mm

0.00197 ~ 0.00358 in.

39.934 ~ 39.950 mm

1.57221 ~ 1.57284 in.

40.000 ~ 40.025 mm

1.57480 ~ 1.57579 in.

0.05 mm

0.0020 in.

33.85, 33.54 mm

1.3327, 1.3205 in.

33.65, 33.64 mm

1.3248, 1.3244 in.

0.15 mm

0.0059 in.

39.88 mm

1.5701 in.

-

Item

Factory Specification

Allowable Limit

Camshaft alignment

Cam height

IN. (4A200T, 4A220)

EX. (4A200T, 4A220)

Clearance between camshaft

Camshaft journal O.D

Camshaft counter bore I.D

Free length

Assembling load / assembling length

Squareness

Item

Factory Specification

Allowable Limit

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