C3.4B Engines for Caterpillar Built Machines Caterpillar

Cylinder Head Valves

Usage:

CCS7 4B2

Show/hide table




Illustration 1	g01335203
Typical example

When the valve springs (1) are replaced the valve springs must be replaced in pairs.

The free length for the valve spring ... 43.8 mm (1.72441 inch)

Show/hide table

Table 1
The load for the valve spring	The length of the valve spring
270 N (61 lb)	34 mm (1.33858 inch)
550 N (124 lb)	25 mm (0.98425 inch)

Show/hide table




Illustration 2	g01335204

(2) Valve face angle

Inlet ... 30 degrees

Exhaust ... 30 degrees

(3) Valve stem diameter

Inlet ... 5.975 to 5.99 mm (0.23524 to 0.23583 inch)

Exhaust ... 5.975 to 5.99 mm (0.23524 to 0.23583 inch)

Clearance

Clearance of the inlet valve stem ... 0.032 to 0.063 mm (0.00126 to 0.00248 inch)

Clearance

Clearance of the exhaust valve stem ... 0.032 to 0.063 mm (0.00126 to 0.00248 inch)

(4) Length of valve

Inlet valve and exhaust valve ... 119.775 to 120.125 mm (4.71554 to 4.72932 inch)

(5) Valve head

Diameter of inlet valve head ... 32.3 to 32.5 mm (1.27165 to 1.27952 inch)

Diameter of exhaust valve head ... 32.3 to 32.5 mm (1.27165 to 1.27952 inch)

Caterpillar Information System:

C3.4B Engines for Caterpillar Built Machines Lifter Group

TA2 Technical Inspection for 3512C Dynamic Gas Blending Marine Engines{0372, 1000, 753T, 7565} TA2 Technical Inspection for 3512C Dynamic Gas Blending Marine Engines{0372, 1000, 753T, 7565}

C3.4B Engines for Caterpillar Built Machines Piston and Rings

C3.4B Engines for Caterpillar Built Machines Connecting Rod

C3.4B Engines for Caterpillar Built Machines Main Bearing Journal

C4.4 Engines for Caterpillar Built Machines Electronic Control Module - Remove and Install

C3.4B Engines for Caterpillar Built Machines Connecting Rod Bearing Journal

C8.7 Marine Engine Engine Oil Level Gauge - Calibrate

C3.4B Engines for Caterpillar Built Machines Camshaft Bearings

C4.4 Engines for Caterpillar Built Machines Exhaust Manifold - Remove and Install - Top Mounted Exhaust Manifold

C4.4 Engines for Caterpillar Built Machines Refrigerant Compressor - Remove and Install

C4.4 Engines for Caterpillar Built Machines Engine Oil Relief Valve - Remove and Install - Engines with a Balancer Unit

C3.4B Engines for Caterpillar Built Machines Water Temperature Regulator and Housing

C8.7 Marine Engine Engine Air Cleaner Element (Single Element) - Inspect/Clean/Replace

Instructions for Use of Cat® Coolant Conditioner for Modular Core Aluminum Radiators {1350, 1350, 1352, 1353, 1395} Instructions for Use of Cat® Coolant Conditioner for Modular Core Aluminum Radiators {1350, 1350, 1352, 1353, 1395}

C9 Generator Set Coolant (DEAC) - Change

C3.4B Engines for Caterpillar Built Machines Gear Group (Front)

2014/06/20 An Improved Inspection Process for Cylinder Liners Used in All 3500 Engines {1201, 1216}

2014/09/11 New Steering Line Assembly Is Now Available on Certain 621H, 623H, and 627H Wheel Tractor-Scrapers {4304, 5050}

G3306B Petroleum Generator Set Engines Engine Control Panel

G3306B Petroleum Generator Set Engines Fuel Pressure Is Low

G3306B Petroleum Generator Set Engines System Configuration Parameters

G3306B Petroleum Generator Set Engines Oxygen Level - Test

C175-16 PETROLEUM ENGINES High Pressure Fuel Rails - Remove and Install