GMC 1976 ZEO 6083 Maintenance Manual page 799

Figure 10-Water Pump Voltage Check
5. Make sure pump wall switch is turned off and
remove fuse.
6. Disconnect hoses from water pump .
7 . Remove four pump hold down screws .
8 . Lift pump assembly out and disconnect wires
from the pressure switch .
Figure 1 1-Removing Kick Panel
LIVING AREA WATER SYSTEM
24J- 9
4. Replace fuse .
Figure 12-Removing Seat
WATER PUMP INSTALLATION
1 . Place pump in mounting position and secure
with four hold-down screws . If Type 2 pump is used
do not depress rubber feet with mounting screws .
2. Connect wires to the pressure switch .
3 . Connect hoses to water pump .
5. Close tank drain valve and fill tank .
6. Replace top panel and secure with screws .
7. Replace seat and secure with two screws to
mounting bracket.
8 . Replace front kick panel.
Figure 13-Removing Top Panel