Cylinder Head Valves
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C11 and C13 Engines
[SENR9887]
BASIC ENGINE
CYLINDER HEAD GP
C-9 Engines for Caterpillar Built Machines
Cylinder Head Valves
C11 and C13 Engines
Cylinder Head
C11 and C13 Engines
Cylinder Head
C11 and C13 Engines
Cylinder Head Valves
C13, C15, and C18 Tier 4 Final Engines
Cylinder Head Valves
C13, C15, and C18 Tier 4 Final Engines
Cylinder Head Valves
C11 and C13 Engines
Cylinder Head Valves
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Illustration 1 | g01351852 |
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Illustration 2 | g02745479 |
Inlet valve |
Note: Apply 8T-9548 Oil to the valve stems prior to installation in the cylinder head.
(1) Inlet valve
- (B) Valve stem diameter ...
9.441 ± 0.008 mm (0.3717 ± 0.0003 inch) - (C) Diameter of valve head ...
44.50 ± 0.13 mm (1.752 ± 0.005 inch) - (D) Valve face angle ... 60.75 ± 0.25 degrees
- (E) Minimum valve stem diameter ...
9.309 mm (0.3665 inch) - (F) Width of the valve head ...
3.5 ± 0.2 mm (0.14 ± 0.01 inch) - (C) Diameter of valve head ...
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Illustration 3 | g02746141 |
Exhaust valve |
(2) Exhaust valve
- (G) Valve stem diameter ...
9.441 ± 0.008 mm (0.3717 ± 0.0003 inch) - (H) Diameter of valve head ...
41.50 ± 0.13 mm (1.634 ± 0.005 inch) - (J) Valve face angle ... 45.75 ± 0.25 degrees
- (K) Minimum valve stem diameter ...
9.309 mm (0.3665 inch) - (L) Width of the valve head ...
3.25 ± 0.10 mm (0.128 ± 0.004 inch) - (H) Diameter of valve head ...
(3) 224-4441 Spring
- Assembled length ...
50.47 mm (1.987 inch) - Load at assembled length ...
160 ± 13 N (36 ± 3 lb) - Minimum operating length ...
34.92 mm (1.375 inch) - Load at minimum operating length ...
385 ± 18 N (87 ± 4 lb) - Outside diameter ...
23.24 mm (0.915 inch) - Free length after test ...
64.1 mm (2.52 inch) - Load at assembled length ...
Inner valve spring
(4) 332-2152 Spring
- Assembled length ...
52.95 mm (2.085 inch) - Load at assembled length ...
320 ± 31 N (72 ± 7 lb) - Minimum operating length ...
37.40 mm (1.472 inch) - Load at minimum operating length ...
860 ± 34 N (193 ± 8 lb) - Outside diameter ...
34 mm (1.3 inch) - Free length after test ...
62.7 mm (2.47 inch) - Load at assembled length ...
Outer valve spring
Note: Apply clean 8T-9548 Oil to the valve guide bore before installing the valve guides.
(5) Valve guides
- Bore of installed valve guide ...
9.508 ± 0.013 mm (0.3743 ± 0.0005 inch) - Maximum recommended diameter of the valve guide bore ...
9.544 mm (0.3760 inch) - (A) Height to the step in the valve guide ...
22 ± 0.5 mm (0.87 ± 0.012 inch) - Maximum recommended diameter of the valve guide bore ...
Note: Do not use a combination of a valve and a valve guide that has a difference of
(6) Inlet valve seat
- Angle of valve seat ... 29.75 ± 0.25 degrees
- Diameter of valve seat ...
45.525 ± 0.013 mm (1.7923 ± 0.0005 inch) - Bore in cylinder head for valve seat ...
45.460 ± 0.015 mm (1.7898 ± 0.0006 inch) - Diameter of valve seat ...
(7) Exhaust valve seat
- Angle of valve seat ... 44.75 ± 0.25 degrees
- Diameter of valve seat ...
42.390 ± 0.015 mm (1.6690 ± 0.0006 inch) - Bore in cylinder head for valve seat ...
42.320 ± 0.015 mm (1.6661 ± 0.0006 inch) - Diameter of valve seat ...
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