Pressure Relief Valve Check; Body Clearance; Tip Clearance - Honda 1998 VT750C Service Manual

LUBRICATION SYSTEM
PRESSURE RELIEF VALVE CHECK
SNAP RING
mI!II! _
The snap ring is under spring pressure. Use care
when removing it and wear eye and face protection.
NOTE:
Be careful not to loose the disassembled parts.
Check the operation of the pressure relief valve by
pushing on the piston.
Remove the pressure relief valve snap ring and
disassemble the pressure relief valve.
Check the piston for wear, sticking or damage.
Check the valve spring and piston for wear or
damage.
Check the relief valve for clogging for damage.
Clean the remaining parts and assemble the relief
valve in the reverse order of disassembly.
RELIEF VALVE
~
PISTON
SPRING
BODY CLEARANCE
SERVICE LIMIT: 0.20 mm (0.008 in)
TIP CLEARANCE
Install the inner rotor and outer rotor to the pump
body.
Install the drive shaft properly.
Measure the outer rotor-to-inner rotor clearance
using the feeler gauge.
SERVICE LIMIT: 0.35 mm (0.014 in)
BODY CLEARANCE
Install the inner rotor and outer rotor to the pump
body.
• Measure at several places and use the largest
reading to compare to the service limit.
• If any portion of the oil pump is worn beyond the
specified service limits, replace the oil pump as
an assembly.
NOTE:
Install the drive shaft properly.
Measure the pump body-to-outer rotor clearance TIP CLEARANCE
using the feeler gauge.
INSPECTION
4-6