Doosan D20S-5 Operation & Maintenance Manual page 82

Operation Section
11. Measure the engine crankcase oil level with the
dip stick. Maintain the oil level between the
MAX. and MIN., (or FULL and ADD) notches on
the dip stick.
12. Observe the engine coolant level in the coolant
recovery bottle. With the engine cold, maintain
the level to the COLD mark. If the recovery
bottle is empty, also fill the radiator at the top
tank.
13. Observe the fuel level gauge after starting the
truck. Add fuel if necessary.
Personal injury may occur from accidents
caused by improper seat adjustment. Always
adjust the operator's seat before starting the lift
truck engine.
Seat adjustment must be done at the beginning
of each shift and when operators change.
14. To position the seat, PUSH the lever away from
the seat track and move the seat forward or
backward to a comfortable position.
-80-
WARNING