30 Single-wheel power hoe 2100
Carburetor Settings
Changes in fuel, temperature, height or strain can re-
quire slight re-adjustments of carburetor settings. Only
let engine run with air filter and air filter pot mounted.
Idling Speed
Always ensure that idling engine speed is adjusted cor-
rectly. At low speeds, the engine is supposed to run
smoothly, with speed control lever at stop in idling speed.
For basic tuning, adjust the slide valve adjusting screw
(3) on the slide carburetor. For this purpose, set the throt-
tle control cable free of play by turning the adjusting
screw on carburetor.
For fine tuning, adjust the air control screw (2). Adjust
only while the engine is still warm from operation (also
refer to “Specifications”).
-
Service
Exhaust
Constantly check exhaust system (A/12) for plant
trash and clean, if necessary. Otherwise
danger of fire!
Check before each operation.
Check exhaust after every 200 operating hours for oil
carbon and, if necessary, clean or burn out.
Cleaning the Cooling-Air Screen
After long operation, dirt can clogg the cooling system.
To avoid overheating and damage to the engine, regu-
larly clean cooling-air screen (B/31). Check each time
before you take up operation!
Air-Cooling System
Clean internal cooling fins and surfaces at least eve-
ry 100 operating hours (earlier in very dusty condi-
tions).
5
5. Maintenance
1 Carburetor –
tickler
2 Air control
screw
3 Slide valve
adjusting screw
100 h
A
A
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