Volvo Penta TAD1630G Workshop Manual page 90

Service procedures - lubrication system
7
6
Check the housing for scoring and wear, and also check for
leakage between the bracket and pump housing. In the case
of leakage, the surfaces will be black. The bushings in the
pump housing and bracket must be replaced. The gear
wheels of the pump must be checked concerning wear on
the flanks of the teeth, on the outer diameter and the end fac-
es.
88
The illustration numbers above refer to the relevant point in the text below.
8
7
Check the axial play of the pump using a feeler gauge.
Correct play: 0.07–0.15 mm (0.0028–0.0059").
8
Check backlash with a feeler gauge.
Correct play: 0.15–0.30 mm (0.0059–0.0118").
Group 22