Ford Corsar Repair Manual page 73

Cylinder head side
S E M 6 3 8 B
CYLINDER HEAD
/
~ ~ 2 4 ~ 1
Inspection (Cont'd)
ROCKER SHAFT AND ROCKER ARM
1. Check rocker shafts for scratches, seizure and wear.
2. Check outer diameter of rocker shaft.
Diameter:
21.979
-
22.000 mm (0.8653
-
0.8661 in)
3. Check inner diameter of rocker arm.
Diameter:
22.012
-
22.029 mm (0.8666
-
0.8673 in)
Rocker arm to shaft clearance:
0.012
-
0.050 mm (0.0005
-
0.0020 in)
Keep rocker arm with hydraulic valve lifter standing to
prevent air from entering hydraulic valve lifter when checking.
Assembly
1. Install valve component parts.
Always use new valve oil seal. Refer to OIL SEAL RE-
PLACEMENT.
Before installing valve oil seal, install inner valve spring
seat.
Install outer valve spring (uneven pitch type) with its
narrow pitch side toward cylinder head side.
After installing valve component parts, use plastic hammer
to lightly tap valve stem tip to assure a proper fit.
2. Mount camshaft onto cylinder head, placing knock pin at
front end to top position.
Apply engine oil to camshaft when mounting onto cylinder
head.
3. Install camshaft brackets.
Front mark is punched on the camshaft bracket.