Checking Oil Pump - Volvo DH10A 245 Service Manual

Run the tests as specified in the diesel test standards
and check that the flow difference between the pump
elements is as little as possible. The difference must not
exceed "Difference max. cm
Adjust fuel flow and the differences by turning the
pump element flange bushings within the area for ob-
long holes.
Slacken the retaining nuts and turn with Bosch tool
1687 950 525.
E. CHECKING THE VACUUM
Speed r/s (r/min)
Requirement
After 10 seconds vacuum must be higher than 40 mbar (0.6 psi)
After 10 seconds vacuum must be higher than 30 mbar (0.45 psi)
E. Checking oil pump (vacuum)
Check the oil pump if its function is unsatisfactory (too
much oil collects in governor housing) or when the oil
pump has been removed. It should also be checked
when the entire injection pump has been dismantled.
The oil pump is checked by measuring the vacuum
created by the pump in the governor housing.
The function of the oil pump is to pump back oil that
has leaked into the governor housing.There will always
be a small amount of oil in the housing to ensure oil
pump lubrication.
3
".
Setting
Check
107