Chrysler 70, 75 and 85 HP Outboard Motors Service Manual OB 3438, Page 35Get this manual
SERVICING Removal and Disassembly
1Loosen knurled screw on sediment bowl and remove bowl2Remove screen and gasketFigure 3
Figure 2Fuel Pump Location, Testing
TESTING
Conduct this test on the motor in test tank or on the boat1Remove hose connecting carburetors to fuel pump Figure 22Connect fuel pressure gauge between the carburetors and fuel pump
Before testing, loosen fuel tank vent on cap to release any pressure that may have built upFigure 3Removing Bowl, ScreenGasket
Fuel tank should not be more than 24 inches (61 cm) below fuel pump 3Start motor and observe the gaugePump pressure should read as outlined in Table 13Slide hose clamp on hose to fuel tank down about one inch from sediment bowl with hose clamp pliers, Special Tool NoT 8900 Pull hose off sediment bowl