O.S. Engines 91HZ - Manual (Page 6)

10
Note on heating the glow plug
The heatsink head on the engine is
treated with an anodized finish which
does not conduct current. Therefore,
when heating a glow plug, connect
one lead to the glow plug and the
other to the head or cover plate
retaining screw.
Example
11
Standard accessories
Glow Plug No.8
Needle Adjusting Screw (M2.6x5 2pcs.)
Needle Control Arm
Carburetor Complete 61E
Note:
As delivered, the carburetor is not
installed on the engine.
Carburetor Rubber Gasket
Head Gasket (0.2mm)
This is a high performance engine
expressly designed for 90 size RC model
helicopters.
It performs perfectly from stable hovering
to dynamic aerobatic maneuver, which is
required for F3C competition. 61E
carburetor has three adjustable controls
which enables independent adjustment at
idling, hovering and high speed.
Needle control arm is supplied with the
engine as standard.
The needle can be tuned by the transmitter
in flight or with a fully enclosed engine.
The cover plate has a cell to accept a
sensor designed to install in the cover plate
from the Futaba GY-701 Governor.
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