4-17
Outboard motor troubleshooting
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A
Symptom 1: PTT unit does not hold the outboard motor up.
Troubleshooting the lower unit
Troubleshooting consists of the following 3 items:
Symptom 1: Specific trouble conditions
Symptom 2: Trouble conditions of an area or individual part
Cause: Trouble causes of symptom 2
— : Not applicable
Symptom 1: Shift mechanism of the forward gear and reverse gear does not operate prop-
erly.
Symptom 2
Cause
Checking steps
See
page
PTT fluid pressure does
not increase
Manual valve open
Check the manual valve.
Insufficient PTT fluid
Add sufficient PTT fluid.
—
Check the hydraulic pressure.
PTT fluid leakage
Check the PTT fluid leakage.
Clogged fluid passages
Disassemble and check the PTT unit.
Check the valves for damage.
Check the fluid passages for obstruc-
tions.
Symptom 2
Cause
Checking steps
See
page
—
Shift cable is not adjusted
properly.
Adjust the shift cable.
Shift rod does not operate
properly.
Check the shift rod for wear.
Check the detent mechanism.
—
Shift mechanism malfunction
(in lower unit)
Check the shift rod connection.
Check the dog clutch and related parts.
Check the forward gear, reverse gear,
and pinion for damage and wear.
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 ...