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Cylinder Exhaust Port (Level 3)
Important: The cylinder exhaust port must be inspected and cleaned of excess carbon
every 3 months or 90 hours of operation in order to maintain this engine within the
emissions durability period. We strongly recommends that you return your hedge
trimmer to the address on the warranty card for this important maintenance service.
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel break-in before
carburetor adjustments can be made. During the break-in period your engine
performance will increase and exhaust emissions will stabilize. Idle speed can be
adjusted as required.
High Altitude Adjustment (Level 2)
Fig. 21 +22
Tools required
1 Screwdriver
1 Tachometer
Parts require
None.
High altitude adjustment is not required for proper operation of this engine.
Note: Every hedge trimmer is run at the factory and the carburetor is set in compliance
with emission regulations. This carburetor does not have acceleration and high-speed
adjustment needles.
Check idle speed and reset if necessary. If a tachometer is available, idle speed screw
(H) should be set to the specifications found in specifications part of this manual. Turn
idle screw (H) clockwise to increase idle speed; counter clockwise to decrease idle
speed.
Warning! When carburetor adjustment is completed, the cutting attachment
should not move at idle, otherwise serious personal injury may result.
Lubricating blades (Level 1)
Fig. 23 - 25
Tools required:
1 Clean rag
1 Cleaning brush, 25 mm or 50 mm (1" or 2")
Parts required:
1 Engine Oil, 20 W (lubrication)
1 Mixture of kerosene and 20W oil, 50-50 (cleaning).
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