JLO L/RM252 - Operating- and Maintenance Instructions; Before Starting; Service and Maintenance

Operating- and Maintenance Instructions
A. Before starting
1. Refueling
Mixture ratio -please see Technical Data
2. Engine
Check that cooling fins of cylinder and air holes are free from dirt to prevent over-
heating of the engine.
3. Air filter:
Be sure that all filter connections (clamps) are tight.
Oil bath filter:
Check oil level, refill if necessary.
4. Starting
4.1 Cold engine
Shift throttle lever into 'RUN' position. Open fuel tap Close starter throttle
Depress tickler until fuel emerges from carburettor. Pull recoil starter firmly until
engine starts. slowly return starter handle. If engine does not start. depress tickler
again. As soon as engine runs, open starter throttle fully in direction of arrow. The flyball
governor automatically maintains the engine speed.
4.2. Warm engine
Same as 4.1, but do not depress tickler Close starter throttle if engine does
not start.
5. Stopping
5.1 For short breaks:
Shift throttle lever "STOP".
Close fuel tap shift throttle lever "STOP".
5.2
For longer breaks:
B. Service and Maintenance
Servicing Work
Bolts and nuts and other connections
Check tightness, retighten if necessary
Ignition
Chock breaker point gap and ignition timing
Spark plug
Check spark plug gap and adjust if necessary
Remove deposits or replace plug if necessary
Carburetor
Clean carburettor and fuel filter. also tank if necessary
Exhaust
Check
for carbon deposits.
Clean if necessary eventually burn out
Piston, combustion chamber,
and cylinder transfer
ports
Clean from carbon deposits
Mechanical
flyball governor maintanance free
Corrosion for engines to be temporarilly stored
Use 50 cm JLO Corroilte M, order no. 002.75.001.000, and observe the instruction included.
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