Trouble Shooting - Bombardier-Rotax 377 UL Operator's Manual

Equipped with contact breaker ignition system and bing carburetor
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15.10) Gear
box:
15.10.1) To be performed every 10 operating hours:
Check
oil
level on respective oil level screw and secure again with lock
wire.
Change oil after first 10 hours of operation.
Check propeller clearance and
tracking.
Change
oil
every 100 hours or every 2 years (whichever occurs first).
15.11)
Storage:
If your engine is not going to be run for a period of 2 months or more, certain precautions must
be taken to protect the engine and fuel system from heat, direct sun, corrosion and the formation
of
deposits.
The following schedule is a guide for storage procedure:
15.11.1) Internal
engine components:
Remove air
filtration system,
start engine and allow to idle. Using an oil-can, flood the
engine by injecting oil through the carburetor till the engine stalls, then proceed with fuel
system draining.
15.11.2) Fuel system:
.
.
• . Drain float
chamber, remove f{lel from tank, drain fuel lines. Follow all safety rules and
do
not run for
a prolonged period above idle.
15.12)
After storage check:
Inspect engine and engine environment for possible foreign
materials.
Ensure all residue oil
is drained
or
removed by cranking the engine, and spark plugs are clean and and properly
gapped. Refill fuel tank, purge fuel line of air. Proceed with starting procedure (section 4).
Section 16
16)
Trouble shooting:
Your ROTAX engine requires basically two essentials to
run:
Spark and correct fuel/air mixture. The
majority of problems quite often are a simple lack of one or the other. Organize yourself and follow
a set pattern to eliminate components to find your trouble.
Fuel: start by checking the supply (tank), fittings (loose), filter (clogged), float chamber (fouled),jets
(blocked).
Spark: try new
plugs.
Problems of a more complex nature are best left to a ROTAX engine technician: see your dealer.

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