Komatsu PC308USLC-3E0 Operation & Maintenance Manual page 249

Hydraulic excavator
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MAINTENANCE
WASH WASHABLE FLOOR
When setting the machine at an angle, use strong blocks to stabilize the machine and be extremely careful when carrying out
the operation.
If the control levers are touched by mistake, the machine may suddenly move, and this may lead to a serious accident. Always
set the lock lever securely to the LOCK position before standing up from the operator's seat.
NOTICE
During the operation, be careful not to get water on the air conditioner filter, connectors, and monitor inside the operator's cab.
When washing the inside of the operator's cab, do not use high-pressure water.
With the washable floor, it is possible to flush out the dirt on the cab floor directly with water.
Method of Washing
1. Set the machine at an angle.
For details, see "Method of Setting Machine at Angle (PAGE
4-37)"
2. Swing the upper structure slowly so that water drain holes (1)
in the cab floor are at a low position.
3. Lower the work equipment to the ground and set the machine
in a stable condition.
WARNING
MAINTENANCE PROCEDURE
4 - 35

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