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English
9. Operating instructions
9.1. Preliminary checks
Caution:
Before commencing work, it is recommended to get into the habit of
checking the following points:
Checklist
• Check the machine’s hours of operation and compare this number with the maintenance table
(read § 11.2; page 38)
• Check the oil level. Pull out the dipstick and check whether the oil level is below minimum (read
§ 11.4.2; page 39)
• Check in advance that the fuel tank is full. If not, fill it up (read § 9.3; page 23)
• Check the air filter for excessive dirt (read § 11.4.3; page 40)
• Check that the housing around the blades and the access to the discharge channel are clean
and not blocked by accumulated earth. Clean first if necessary.
• Check the blades for wear (read § 11.5.9; page 51)
• Check that the blades are not bent. If necessary, straighten the blades again.
• Check that the belt tension is adequate (read § 11.4.5; page 41) . If not, adjust it (read § 11.4.5;
page 41)
• Check whether the depth has been set correctly. (read § 9.2.1; page 22)
• Check that all protection covers are present and properly in place.
• Check that all safety features on the machine are still operating properly.
• If the machine is equipped with a maintenance meter, check that it operates at the indicated
speed (3,200 rpm). Never attempt to change the default engine settings.
• Once these points have been checked and approved, the work area can be prepared (read § 9.4;
page 24) and the machine can be moved onto it.
9.2. Preparing the machine
9.2.1. Machine set-up
CORRECT DEPTH SETTING = MAXIMUM EFFICIENCY
Caution:
This maintenance may only be carried out if the engine is switched off
and the blades have come to a standstill.
Warning:
Make sure to wear gloves while performing this procedure.
Summary of Contents for C550 ZR
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