Opel 1973 - Page 30

GA. xl 1973 OPEL SERVICE MANUAL
Valve Seat and Correction Angle in Cylinder Head
Intake
Valve Seat Angle ..,._,..__....,,..,,,..,.,.,.,..............,............................................................... 45”
Outer Correction .,,,.,,._.,._..___,,,.,,,,,.......,,.,..,...,,..,..,,..,,..,,,.............................................. 30”
Exhaust
Valve Seat Angle ,,,.,,.__,.__..___.,..,,..,...,,....,..,..,..,,..,..,...,..,,,...,,......................................... 45”
Outer Correction .,,..,,...,._.,.__....,,,.....,,,........................................................................... 30”
Valve Face Angle ,,..,,,..,.__..__.._..,,,..,,...,,......,.,..,..,..,,.,,,..,..,,,..,,,..,,,...,,................................ 44”
Valve Seat Width in Cylinder Head
Intake . . . . . . . . . . .._..._._.................,,..,.....,,..,............,...,..,,,..,,..,,...,,...,,,..,................. .049-,059 In.
Exhaust .,..,,,..,,.___..,,..,,...,..,,,..,,...,,...,,...............,,..,,..........,,....,,...,..................... .063-,073 In.
Valve Head Contact Area ,,..,,,..,,___.__.,,..,,..,.,,..........,...,,..,,............,,,...,....... Aim at Centricity
Valve Clearance at 176°F. Coolant and 140°F. to 176”
Oil Temperature
Intake and Exhaust _.,,..,,,,,,..,,....,...,,,.,.,,,.,..........................,,,..,,,,.... Zero Plus One Turn
Cranking Mechanism
Max. Permissible Out-of-Roundness of Connecting Rod Bearing
Journals
.................................................................................................................... .OC02 In.
Max. Permissible Taper of Connecting Rod and Crankshaft Bearing
Journals .................................................................................................................... .ooO4 In.
Max. Permissible Radial Runout of Center Main Bearing
Journals When Supported in End Bearings
.......................................................... .0012 In.
Max. Permissible UnparalYelism of Connecting Rod Bearing
Journals When Crankshaft is Placed in V-Blocks so That
Main Bearing Journals Next to Each Other Are Supported
................................ 0005 In.
Max. Permissible Runout of Crankshaft to Flywheel
Contact Area ..........................................................................................................
.0008 In.
Crankshaft End Play ........................................................................................
.GOl7-.CO61 In.
Main Bearing Clearance .................................................................................... .ooO9-.@I25 In.
Connecting Rod Bearing Clearance
................................................................
.ooO6-.0025 In.
Connecting Rod End Play on Bearing Journal ..............................................
.0043-.0095 In.
Connecting Rod Bearing Length ...................................................................... .7785-.7992 In.
Crankshaft Thrust Bearing Length
.............................................................................. 1.08 In.
Valve Mechanism
Camshaft Bearing Clearance ................................................................................
.OOl-,003 In.
Camshaft End Play .............................................................................................. .004-038 In.
Max. Permissible Radial Runout of Camshaft Center Bearing
- Camshaft Supported in Outer Bearings
................................................................
,001 In.
Valve Lifter Clearance in Cylinder Head
Bore .............................................. .0003-.OOl3 In.
Engine Lubricating System
Oil Pump Gear Backlash ...................................................................................... 0%.008 In.
Oil Pump Gear End Play in Housing
........................................
Gears Protruding Over Edge
of Housing: Not More Than ,004 In.
Clearance of Spindle in Bore of Oil Pump Driven
Gear .............................................................................................................. .OCO3-.0015 In.
Clearance Between Oil Pump Drive Gear and
Bushing
........................................................................................................
.00035-.OOl5 In.
Oil Pump Relief Valve Spring Pressure at a Spring Length
of .8 In. ................................................................................................................ .44-.66 Lbs.
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