Break-In Operation - TOHATSU MD 30B2 Service Manual

Service Information
14) Trim Tab
Adjustment of trim tab angle
After installing outboard motor on the boat, use trim tab
to achieve balance between port and starboard steering
loads. Loosen trim tab nut 2, adjust angle of trim tab 1
as described below, and then tighten the nut to specified
torque.
Trim Tab Nut 2 :
13 N · m (9 lb · ft) [1.3 kgf · m]
Example of Adjustment
å If it is necessary to steer to starboard to make boat
run straight or if boat steers itself to port when
steering is held amidships, move trailing edge of trim
tab to port side, or
∫ If it is necessary to steer to port to make boat run
straight or if boat steers itself to starboard when
steering is held amidships, move trailing edge of trim
tab to starboard side.
Change trim tab angle a little for each test run and
repeat the process several times until the best
position is found.

5. Break-In Operation

Break-in operation is needed for the purpose of
smoothening sliding surfaces between components such
as pistons, piston rings, piston pins, cylinder, and gears.
Break-In Operation•••10 Hours
Time 0
Method of break-
in operation
1-16
10 minutes
Throttle Opening 1/2 of
Trolling or idling
WOT at approximately
3 000 r/min
▽
Run at the lowest speed
1
2
2 Trim Tab
Do not reuse.
å
1
2
3
1 Trim Tab
2 Anti Ventilation Plate
3 Steering Pivot (Swivel Shaft)
2 hours 3 hours
Throttle Opening 3/4 of Throttle Opening 3/4 of
WOT at approximately WOT at approximately
4 000 r/min
▽Running at WO or one
minute every 10 minutes is Running at WO
acceptable
3
1
2
10 hours
Regular operation
4 000 r/min
▽
or short
period is acceptable
TLD D30/40/50B2 2013
∫
3