SWDM40 OPERATION & MAINTENANCE MANUAL
8.8.6 Changing Gear Oil for Rotary drive Gearbox
Warning:Pay attention to avoid personal injury caused by hot oil spraying when unscrewing the
plug.
Note:Change gear oil as possible as it cools down after work.
1. Prepare an oil container.
2. Connect oil drain hole with oil container (prepare an oil pipe with suitable length and
size in advance).
3. Raise the mast to incline Rotary drive to a certain angle.
4. Drain out the used oil.
5. When changing oil, the environment temperature is too low. Heat up some new oil (to
50℃) before adding, and wash the reduction gearbox inner casing with it.
Note
!
Risk of damaging reduction gearbox!
Gasoline is not allowed to use, wash the reduction gearbox with diesel. Drain out the
detergent completely.
6. Unscrew air plug on the upper of reduction gearbox to inject lubricating oil to the
center line of sight glass.
7. Check oil level.
8. Tighten the air plug.
8.8.7 Changing Air Filter, Return Filter Element and Pilot Filter Element see
–chapter 8.6.4
8.8.8 Checking and Replacing Air Filter
Note:
If air filter element is clogged by dust, that will reduce the air inlet quality and engine
performance, even worse scrap engine and shorten the service life. Thus, the maintenance
for filter element is very important, please don't ignore that.
图 8-8-6 空气滤清器