Yamaha 55DEHD - Page 255

6885J11
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Troubleshooting the PTT unit
Refer
Symptom 2 Cause 1 Cause 2 Checking step to
page
Symptom 1: PTT unit does not hold the outboard motor up
Manual valve opened
Check the manual
valve for open.
—
Insufficient PTT fluid Add sufficient fluid. 3-15
—
Manual valve
malfunction
—
PTT fluid leakage
Check the PTT unit for
leakage.
7-37—
Clogged fluid passage
Disassemble and
check the PTT unit.
7-57
Main valves
does not oper-
ate
6885J11_09 07.9.26 15:17 Page 9