Section 134 · Pages 25–34 (10 pages)

Camshaft and Valve Mechanism

From the 1936-1947 Lincoln V12 Engine Manual

Camshaft journal limits and replacement of pressed-on and bolt-on camshaft gears, oil pump drive gear replacement on early and late camshafts, and service of the solid push rods used on 1936 and 1937 engines and the two-piece and one-piece hydraulic push rods, including leak-down tests. It ends with valves, valve springs and split valve guide bushings.

Read this section free, starting at page 25

What this section covers

  • Camshaft gear replacement (press-on and bolt-on)
  • Oil pump drive gear replacement
  • Solid push rods
  • Hydraulic push rods and leak-down testing
  • Valve stem limits and refacing
  • Valve spring tension
  • Valve guide bushing wear
Year
1936, 1937, 1938, 1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947
Make
Lincoln
Vehicle
Components and Systems, Engines, Passenger Cars
Type
Overhaul & Unit Repair
Models
Lincoln H-Series V-12 engines, 1936–1947
Publication
3693
Pages
56

What’s inside

Repair manual

  1. Title Page, Foreword and ContentsTitle page, a foreword explaining the scope and how wear limits and part numbers are used, and the table of contents.pp. 1–3
  2. IDescription and DataDescribes the engine as a V-12, 75-degree L-head with the block and crankcase cast in one piece, and lists horsepower (110 to 130 at 3600 rpm), bore and piston displacement (267, 292 and 305 cu. in.) by year and engine number.pp. 4–4
  3. IIDisassemblypp. 5–8
  4. 131Crankshaft and FlywheelOpens the inspection and repair chapter: crankshaft journal limits for out-of-round and taper, original journal sizes for 1936–1941 and 1942–1946, crankshaft gear and clutch pilot bearing replacement, flywheel ring gear replacement and flywheel refacing. Part of this section continues on PDF pages 11 and 16.pp. 9–10
  5. 132Cylinder Blockpp. 11–18
  6. 133Pistons and Connecting Rodspp. 19–24
  7. 134Camshaft and Valve Mechanismpp. 25–34
  8. 135Cylinder Heads and Front CoverInspection of cylinder heads for cracks, warping and damaged spark plug threads, and of the cylinder front cover. The section continues at the top of the next page.pp. 35–35
  9. 136Oil Pump and Oil Pump Drivepp. 36–39
  10. 137Water Pumps, Oil Pan and ManifoldsDisassembly, inspection and assembly of the twin water pumps (shaft, bearing, packing and impeller), followed by short sections on inspecting the oil pan and the intake and exhaust manifolds.pp. 40–42
  11. IVAssembly of Enginepp. 43–51
  12. VFits and Tolerancespp. 52–56

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