Servicing Specifications - Cub Cadet 8354 Service Manual

CHAPTER 2 8354/8404

3.2 SERVICING SPECIFICATIONS

A. ENGINE BODY
a . Cylinder Head
Item
Cylinder Head Surface Flatness
Top Clearance
Cylinder Head Gasket Thickness
Compression Pressure
(When cranking with starting motor)
* Variance of compression pressure among cylinders should be 10% or less.
b. Valves
Item
Valve Clearance (Cold)
Valve Seat Angle
Valve Face Angle
Valve Recessing
Clearance Between Valve Stem and Valve
Guide
Valve Stem O.D
Valve Stem I.D
c. Valve Timing
Item
Inlet Valve
Exhaust Valve
2-26
K&T Saw Shop 606-678-9623 or 606-561-4983
www.mymowerparts.com
Factory Specification
0.75 ~ 0.9 mm
0.0295 ~ 0.0354 in.
Free 1.3 ~ 1.5 mm
0.0512 ~ 0.0591 in.
Tightened 1.15 ~ 1.25 mm
0.0453 ~ 0.0492 in.
3.24 ~ 3.73 MPa
33 ~ 38 kgf/cm
469 ~ 540 psi
Factory Specification
IN. 0.25 mm 0.0098 in.
EX. 0.30 mm 0.0118 in.
IN. 1.047 rad. 60°
EX. 0.785 rad. 45°
IN. 1.047 rad. 60°
EX. 0.785 rad. 45°
0.2 ~ 0.5 mm
0.0079 ~ 0.0197 in.
0.040 ~ 0.070 mm
0.00157 ~ 0.00276 in.
7.960 ~ 7.975 mm
0.31339 ~ 0.31398 in.
8.015 ~ 8.030 mm
0.31555 ~ 0.31614 in.
Factory Specification
Open 0.140rad 8° before T.D.C
Close 0.611rad 35° after B.D.C
Open 0.785rad 45° before B.D.C
Close 0.140rad 8° after T.D.C
Allowable Limit
0.05 mm / 100 mm
0.002 in. / 3.94 in.
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-
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2.55 MPa
2
26 kgf/cm
370 psi
Allowable Limit
0.8 mm
0.0315 in.
0.10 mm
0.0039 in.
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-
Allowable Limit
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D615-W02 May-2003
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