Power Trim Does Not Operate (Motor Runs But Drive Unit Does Not Move); Electrical Analog Trim Gauge Malfunction; Remote Control Operates Hard, Binds, Has Excessive Free-Play Or Makes Unusual Sounds; Steering Wheel Turns Hard Or Jerky - Mercury 565 Manual

Power Trim Does Not Operate (Motor Runs But Drive Unit Does
Not Move)
Possible Cause
Trim pump oil level low.
Drive binding in gimbal ring.

Electrical Analog Trim Gauge Malfunction

Possible Cause
Gauge indicates off‑scale high with no
self‑test function.
1.
Gauge does not indicate properly but
1
the self test function works.
Remote Control Operates Hard, Binds, Has Excessive Free‑Play
or Makes Unusual Sounds
Possible Cause
Insufficient lubrication on shift and
throttle linkage fasteners.
Loose or missing shift and throttle
linkage fasteners.
Shift or throttle cable kinked.
Friction adjustment excessive.

Steering Wheel Turns Hard or Jerky

Possible Cause
Low power steering pump fluid level.
Sepentine belt loose or damaged.
Insufficient lubrication on steering
system components.
Loose or missing steering fasteners
or parts.
Contaminated power steering fluid.
1. Self‑test: When the key switch is placed to the "RUN" position, the pointer on the analog gauge will sweep from
the bottom of the scale to the top of the scale and then point to the actual trim position.
eng
TROUBLESHOOTING
Fill pump with oil.
Check for obstruction.
Check wires between the sender
and the trim module.
Replace defective trim sender.
Index the trim sender, test the trim
sender circuit or replace defective
trim sender.
Lubricate.
Check all linkages. If any are loose
or missing, see authorized Mercury
Marine dealer immediately.
Replace cable.
Adjust friction.
Remedy
Refill system with fluid and check for
leaks.
Replace and/or adjust.
Lubricate.
Check all parts and fasteners. If any
are loose or missing, see authorized
Mercury Marine dealer immediately.
Drain and replace.
97
Remedy
Remedy
Remedy