Volvo Penta D7A T Operator's Manual page 60

Maintenance: Rawwater system
60
Rawwater pump (LT-pump)
Disassembly
1. Drain the water from theraw water system.
2. Remove the coolant pipes to and from the raw wa-
ter pump.
3. Remove the connecting socket.
4. Remove the screw cap.
5. Remove the hex nut from the gear.
6. Remove bolts.
7. Remove gear from shaft by using an arbor.
NOTE! In order not to damage the shaft when remo-
ving the gear, the hex nut must be flush with the shaft
of the raw water pump.
Assembly
IMPORTANT! Always use new gaskets and O-
rings.
8. Install the pump with a new gasket.
9. Fit the gear with a new hex nut, tighten to 80 Nm,
Pay attention that the key is fitted.
Note! The cones of the gear and shaft must be
free from lubricant, clean and undamaged.
10. Fit the screw cap with a new O-ring.
11. Fit the connecting socket with a new gasket.
12. Install the coolant pipes to and from the raw water
pump.