Taidong TDME-3M78 Operation Manual page 14

5.4.3 Change oil in gearbox
The oil in the gearbox should be cleaned after 200 hours or at least once a season.
Remove the plug under the gearbox and allow the oil to run out, Then reinsert the
plug and fill up with oil. Make sure that the oil level is between the maximum and
minimum levels indicated on the dipstick.
Note: Do not exceed the maximum level. See "technical Data" for type and volume
of oil to be used.
5.4.4 Check/change the impeller
The impeller may become damages, for example through lack of water in the pump
due to blocked intake. Close the bottom cock. Then remove the pump cover and
inspect the impeller. If it has been damaged it should be replaced. Remove the
impeller with a pair of adjustable pliers, and fit a new. Then refit the pump cover with
a new seal. Open the bottom cock again.
Warning: Watch out for water leakage.
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