Tanaka TLE 550 Manuel D'utilisation page 39

En GOVERNOR ADJUSTMENT
a. Frist with engine off, loosen screw A (1).
Pull up governor outer lever (2) and push down governor spring lever (3), then at the same
time retighten the screw A (Fig. 23B)
NOTE: After above procedure, make sure the throttle (4) on the carburetor gets either of the idle
position or the full open position.
b. To adjust governor, loosen screws (6) which holds control lever assembly (5) to crankcase
and move the assembly left or right to obtain the maximum speed of 6500 rpm (Moving
control lever assembly to left gives higher rpm and moving to right, lower rpm)(Fig.23C)
NOTE: Always adjust throttle wire end play before governor adjustment.
CAUTION: Do not adjust to run more that 6500 rpm.
c. Governor hunting (Varying rpm)
- Hunting occurs with instufficient warm up of engine.
- When the governor spring, governor rod or governor rod spring moves improperly, hunting
may occur.
Check and clean.
- If governor rod spring becomes stratched, hunting may occur. Handle with care or
replace.
- If the gosoline and oil mix ratio is not correct, hunting may occur. Ratio should be from
25:1 to 50:1.
- When fuel tank petcock is clogged with dirt or old fuel, hunting may occur. Check and
clean.
- When there is insufficient oil in the govermor, the weights will not operate properly,
resulting in hunting.
Check and refill with gear oil.
- If the high speed screw on the carburetor is improperly adjusted, hunting may occur.
Adjust properly.
Fig. 23B
Fig. 23C
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