Starting & initial running-in('breaking-in') – O.S. Engines 32SX-MX User Manual

Page 13

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STARTING & INITIAL RUNNING-IN('Breaking-in')

For long life and high perfomance, every engine
needs to be 'run-in' or 'broken-in'. With care, running-
in of the MAX-32SX-MX can be carried out with it in-
stalled in the boat. Be sure to use a muffler-pressu-
rized fuel system.

The following procedure is suitable for this engine
when the O.S. E-3030 silencer and a fuel containing
up to 5~10% nitromethane are used.

Use the same fuel as is to be employed for all initial
running and containing NOT LESS THAN 18%
lubricant.

Temporarily remove the glow-
plug to check that it glows bright
red when energized.

Open the Needle-Valve 1 1/2
turns from the fully closed
position.

Switch on the transmitter and
receiver and set the throttle
very slightly opened from the
idling position.

Needle-Valve

Close

Open

It is vitally important to
set the throttle at the
correct position before
starting the engine. If the
engine is allowed to run
with the throttle too far
open under ''no load''
conditions (i.e. with the
hull out of the water,) it
will rapidly over-heat and
may be seriously damaged.

Attention:

2mm

Pull the starter handle
briskly straight out several
times to start the engine.

Starter handle

When the engine is brand new it may be started
out of the water, but must be run on a very rich
needle-valve setting for the first few minutes. This
will provide extra lubrication and avoid overheating.

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