7-50
Exhaust cover
Removing the exhaust cover
1.
Remove the thermoswitch “1”, thermo-
stat “2”, and PCV “3”.
2.
Remove the exhaust cover “1”.
Checking the PCV
1.
Check the PCV “1”. Replace if damaged
or worn.
2.
Check the grommet “2”. Replace if
deformed.
3.
Check the spring “3”. Replace if
deformed or fatigued.
Checking the thermostat
1.
Suspend the thermostat in a container of
water.
2.
Place a thermometer in the water, and
then heat the water slowly.
3.
Measure the thermostat valve opening
“a” at the specified water temperatures.
Replace if out of specification.
Checking the exhaust cover anode
1.
Check the anodes. Clean if there is
grease, oil, or scales.
1
3
2
1
Water
temperature
Valve opening “a”
58–62 °C
(136–144 °F)
Starts opening
above 70 °C
(158 °F)
4.3 mm (0.17 in) or above
1
2
3
a
Summary of Contents for F150A
Page 1: ...SERVICE MANUAL 63P 28197 3P 12 F150A FL150A F150B FL150B ...
Page 4: ......
Page 48: ...2 3 Electronic control system Engine ECM component 2 3 4 6 5 1 8 7 10 9 11 12 14 15 16 13 17 ...
Page 110: ...3 41 Propeller selection MEMO ...
Page 129: ...4 18 Outboard motor troubleshooting MEMO ...
Page 175: ...5 44 PTT system 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 247: ...7 22 Starter motor Terminal nut 3 9 N m 0 9 kgf m 6 6 ft lb ...
Page 385: ...8 78 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 449: ...9 62 PTT gear pump 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 474: ...i 8 Index 0 1 2 3 5 6 7 8 9 10 10 A MEMO ...
Page 475: ......
Page 476: ...Oct 2011 2 ABE E ...