Oil Pump (Cont'd)
LC-13prose procedureENGINE LUBRICATION SYSTEM
Oil Pump (Cont'd)
DISASSEMBLY AND ASSEMBLY
NOTE
Always replace oil seal with a new one.
When installing oil pump, apply engine oil to gears.
Make sure that O-ring is fitted properly.
OIL PUMP INSPECTION
Using a feeler gauge, check the following clearance.
Oil pump clearances (Unit: mm (in))
Body to outer gear clearance
Callout1
Value mm (in)0.110 - 0.200 (0.0043 - 0.0079)
Inner gear to crescent clearance
Callout2
Value mm (in)0.217 - 0.327 (0.0085 - 0.0129)
Outer gear to crescent clearance
Callout3
Value mm (in)0.21 - 0.32 (0.0083 - 0.0126)
Body to inner gear clearance
Callout4
Value mm (in)0.05 - 0.09 (0.0020 - 0.0035)
Body to outer gear clearance
Callout5
Value mm (in)0.05 - 0.11 (0.0020 - 0.0043)
Inner gear to brazed portion of housing clearance
Callout6
Value mm (in)0.045 - 0.091 (0.0018 - 0.0036)
IMPORTANT
If the tip clearance (2) exceeds the limit, replace gear set.
If body to gear clearances (1, 3, 4, 5, 6) exceed the limit, replace front cover assembly.