Ford Corsar Repair Manual page 149

ENGINE LUBRICATION SYSTEM
Oil Pump (Cont'd)
INSPECTION
Using a feeler gauge, check the following clearances:
Standard clearance:
Unit: mm (in)
Body to outer gear clearance
@
0 . 1 1 - 0.20 (0.0043
-
0.0079)
Inner gear to crescent clearance
@
0.22
-
0.33 (0.0087 - 0.01 30)
Outer gear to crescent clearance
@)
0.21 - 0.32 (0.0083
-
0.0126)
Housing to inner gear clearance
@
0.05
-
0.09 (0.0020
-
0.0035)
Housing to outer gear clearance
@
0.05 - 0 . 1 1 (0.0020
-
0.0043)
If any clearance exceeds the limit, replace gear set or entire
oil pump assembly.
REGULATOR VALVE INSPECTION
1.
Visually inspect components for wear and damage.
2. Check oil pressure regulator valve sliding surface and valve
spring.
3. Coat regulator valve with engine oil and check to make sure
that it falls smoothly into the valve hole by its own weight.
If damaged, replace regulator valve set or oil pump assembly.
OIL PRESSURE RELIEF VALVE INSPECTION
Inspect oil pressure relief valve for movement, cracks and
breaks by pushing the ball. If replacement is necessary, remove
valve by prying it out with a suitable tool.
Install a new valve by tapping it in place.