Troubleshooting The Pt Unit (Pt Model) - SELVA MARINE Pike 9,9 Service Manual

TRBL
SHTG
Symptom 1: Limited engine speed (below 2,000 r/min)
Symptom 2
• Buzzer comes on
(R model)
• Oil pressure-
warning indicator
comes on

Troubleshooting the PT unit (PT model)

Symptom 1: PT unit does not operate
Symptom 2
PT motor does not
operate
PT motor operates,
but the tilt ram does
not extend
WD: See the wiring diagram.
9-7
Troubleshooting
Cause 1
Insufficient engine
oil
Engine oil pressure
decrease
Oil pressure switch
malfunction
Cause 1
Blown fuse
PT switch malfunc-
tion
PT relay malfunc-
tion
Short or open con-
nection in PT motor
circuit
PT motor malfunc-
tion
Manual valve left
open
Insufficient PT fluid
PT fluid leakage
Clogged filter
Clogged fluid pas-
sages
Malfunction of the
PT unit internal
parts
Cause 2
—
Oil pump malfunc-
tion
Clogged oil strainer
Clogged oil pas-
sages
—
Cause 2
—
—
—
—
—
Manual valve mal-
function
—
—
—
Checking step
Add sufficient oil.
Check the oil pump.
Check the oil
strainer.
Check the engine
oil passages (power
unit and oil pump).
Check the oil pres-
sure switch.
Checking step
Check the fuse.
Check the PT
switch.
Check the PT relay.
Check the wiring
harness continuity.
Disassemble and
check the PT motor.
Check the manual
valve.
Add sufficient fluid.
Check the PT unit
for leakage.
Disassemble and
check the PT unit.
Refer
to
page
3-4
5-37
7-22
5-28
8-34
9
Refer
to
page
8-26
7-55
7-54
WD
7-37
7-44
3-13
7-49
7-44
6AU3K11