Zenoah EHT753D, EHT603D, EHT753S owner manual Gearcase F16, Adjusting Carburetor F17

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F16

F17

F18

English

6. MAINTENANCE

GEARCASE (F16)

Supply multi-purpose grease at every 20 hours of use.

1.Use a grease pump.

2.Feed grease until it comes out of the base of blades.(F16-a)

ADJUSTING CARBURETOR (F17)

The carburetor has been adjusted at the factory. Should your unit need readjustment due to the changes in altitude or operating conditions, please let your skillful dealer make the adjustment. A wrong adjustment may cause damage to your unit.

(1)Idle adjusting screw

(2)Up

(3)Down

(4)Fuel adjusting screw (Opening 1 ± 1/4)

(5)Decrease

(6)Increase

THROTTLE WIRE PLAY (F18) Throttle wire play should be 1~2 mm. After completely returning the throttle lever, take the throttle wire at the carburetor end in your fingers and give a light tug. If the play is too great or too small, readjust the position of the wire retaining nut. Loosen the lock nut and turn the wire retaining nut clockwise (screw in) to increase the play and counter-clockwise (unscrew) to reduce it. After adjusting, please fasten the wire retaining nut by tightening the lock nut.

a.Lock nut

b.Wire retaining nut

c.Wire sleeve

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Contents EHT753S EHT603D Contents Parts Location Gear Case Symbols on the MachineCleaner BladesSafety Precautions Before Using the MachineWorking Gear and Clothing a. When using your hedge-trimmer Things to Check Before Using Your HEDGE-TRIMMER Handling of FuelSafety Precautions Kickback Safety Precautions Operation Safety PrecautionsMaintenance Safety Precaution Safety Precautions Fuel Mixing ratiosOperation Starting the EngineStopping the Engine F1 Handle eHT603D only F5 HOW to USECutting Work Warning Handle Locking lever Maintenance Adjusting the Blade Gaps F9 Safety Lock F10 AIR Cleaner F12 Element Filter Air cleaner coverANTI-VIBRATION System F11 Warning Fuel Filter F13 WAY of the Cooling AIR F14Spark Plug F15 Adjusting Carburetor F17 Gearcase F16Maintenance Before Storage Muffler After 100 Hours of USEScrew driver Muffler Specifications