hecht 587 - Engine Maintenance

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TYRE PRESSURE
Ensure correct tyre pressure. If the air pressure is too low, the tyre may become damaged or
slip off. Excessive tyre inflation may result in tearing of the tyre. The correct inflation pressure is
always provided on the side of the tyre.
Use a tyre inflator containing a pressure gauge to inflate the tyres.
REPLACING AND REPAIRING THE TYRES
All puncture repairs or replacements will have to be carried out by a tyre repair expert in
accordance with the methods for the kind of tyre used.
Use only specified tyre sizes (see Specifications).
DRAINING THE GEARBOX OIL
1. Switch off the motor.
2. Disconnect the spark plug.
3. Hold a collecting container below the gearbox oil drain plug.
4. Unscrew and remove the gearbox oil filling plug (fig. 21A) and gearbox oil drain plug
(fig. 21B) using a suitable tool.
5. Allow the gearbox oil to drain completely.
6. Insert the gearbox oil drain plug and tighten using a suitable tool.
7. Top up gearbox oil before using again and reinstall the gearbox oil filling plug securely.
ENGINE MAINTENANCE
INSPECTION AND MAINTENANCE PLAN
FIRST 5 HOURS OF OPERATION
• Check fastening of all nuts.
• Engine oil replacement.
EVERY 25 HOURS OF OPERATION
• Check fastening of all nuts.
• Engine oil replacement.
• Engine oil condition check.
• Clean surrounding of muffler.
• Air filter cleaning.
• Inspection, cleaning and possible spark plug replacement. *
EVERY 100 HOURS OF OPERATION
• Spark plug replacement. *
• Check fuel hose condition.
• Inspection of carburetor adjustment. **
Marked items:
* See the instructions.
** These operations must be done in authorised service center.
OIL CHANGE
It is recommended to ask authorized service for oil change.
Note:I The first oil change should be carried out after 5 operating hours, when operating
under heavy load another change should be done after 25 operating hours.