Section 6: Starting The Engine - Horizon Hobby Pro Boat BLACKJACK 26 SS Manuel D'utilisation

Hand-Held Starter
1. Fully charge a 7.2V sub-C battery pack and install it in the
starter as shown.
2. Slide the starting wand (which is stored inside the battery
cover) into the end of the starter, then replace the battery cover.
Operation
Attach a fully charged glow driver to the glow plug.
Turn on the radio system and insert the starting wand into the
TigerDrive; actuate the starting switch until the engine begins to run.

Section 6: Starting the Engine

7
Note: Stop operation immediately if the engine enters a hydro-
locked condition as serious engine damage may occur if
operation is continued. Remove the glow plug, invert the
boat and operate the starter to remove raw fuel before
resuming normal operation.
You may have to "blip" the throttle on the transmitter (applying throttle
on/off) while trying to start the engine. New engines are harder to start
because of the tight piston/sleeve fi t. Never start an engine at 1⁄2 to
full throttle, as this will cause over-revving which may cause premature
wear and breakage.
During the fi rst tank of fuel, advance the idle via the idle adjustment
screw more than normal to prevent stalling at idle due to the rich fuel
mixture for break-in. Pinch the fuel line nearest the carburetor to stop
the engine.
Breaking in Your Engine
The fi rst start-up of the engine is the most critical moment of the
engine's life, dictating how the engine will perform from that time for-
ward. Turn on your radio system and attach a fully charged glow igniter
(DYN1925) to the glow plug. Start the engine with the electric starter as
described in Section 8.
During break-in, the low-speed needle should be slightly rich and the
high-speed needle should be very rich. After a few tanks of fuel, begin
to lean the engine out. It generally takes about fi ve to six tanks of fuel
before you want to lean out the engine until it supplies good power.
Do not skip this process of break-in. Failure to follow this procedure
could damage your new engine. For further details on breaking in your
engine, please see the separate Pro Boat .18 instruction manual.
Note: It is common for an ABC engine to require a replacement
glow plug or two during break-in.
Needle Settings
When adjusting the settings, always adjust the needles in small incre-
ments, about 1⁄16 of a full turn at a time. Do not set the engine too
lean, as it shortens the reliability of the engine.
The low speed needle effects the transition from idle to full speed.
Lean out the low end until only a slight hesitation is noticed when
transitioning to full power.
After you have attained the correct high-speed needle settings, the
engine will have a strong sounding, high-pitched whine at full speed,
and a thin trail of blue/white smoke will come from the exhaust.
Idle Adjustment
The last item to adjust is the idle screw. To obtain a higher idle, turn the
idle screw clockwise; for lower idle, turn the idle screw counterclock-
wise. You may also adjust the idle speed using the throttle trim on the
transmitter.
EN