Trim And Tilt Motor No Load Test - Evinrude E-TEC E115DPLSCR Service Manual

TRIM AND TILT
ELECTRICAL CIRCUIT TESTS
Connect a 0 to 100 A DC ammeter in series
between the battery side of the starter solenoid
and the red lead to the trim/tilt relay module.
1. Red lead
Observe ammeter and a stopwatch while running
hydraulic unit through several complete cycles.
Compare test results to the values listed:
Three piston system
Mode
Trim-OUT (Trim range)
Tilt-UP Stall
Trim-IN (Trim range)
Trim-IN Stall
Single piston system
Mode
Full Range UP
Full Range DOWN
Stall
372
005441
Normal Time in
Current Draw Seconds
22 A 9
60 to 75 A N/A
16 A 9
35 to 45 A N/A
Normal Time in
Current Draw Seconds
<30 A 12-18
<30 A <18
<40 A –
Test results include three basic possibilities:
A. Low current draw – Check for:
Valves leaking
•
1
Relief valve springs weak
•
Pump damaged
•
O-rings leaking
•
Check valves fouled or damaged
•
Manual release valve damaged
•
B. High current draw – Check for:
Pump binding
•
Motor binding
•
Cylinder binding
•
Valves sticking
•
C. Normal current draw, slow operating
speed – Check for:
Impact valves damaged
•
Check valve or shuttle valve malfunctioning
•
Manual release valve damaged
•

Trim and Tilt Motor No Load Test

IMPORTANT:
able fixture before proceeding with this test.
Use a battery rated at 360 CCA (50 Ah) or higher
that is in good condition and fully charged to per-
form this test.
Connect a 0 to 50 A ammeter in series with the
battery positive (+) terminal, ammeter red lead
toward battery.
Attach or hold a vibration or mechanical tachome-
ter to the motor while performing this test.
Securely fasten motor in a suit-