OPERATING THE MACHINE Warming-up Operation Warm up the engine coolant as follows: 1. Run the engine with engine control dial (1) turned to the slow idle position. 1 Slow Idle M1U1-01-033 Hydraulic Oil Warm-Up Operation IMPORTANT: Hydraulic components may be seriously damaged if the machine is operated with hydraulic oil temperature below 30°C (86°F). Always warm hydraulic oil to specifications before operating the machine. In case the hydraulic oil temperature is lower than 0 °C when starting the engine, the engine speed is automatically increased for approx. 12 minutes to quickly warm up the hy- draulic oil. M1J1-05-001 NOTE:
As soon as the hydraulic oil is warmed upto 0 °C even though it is still shorter than 12 minutes, the warm-up operation is automatically complete so that the engine runs at an idle speed. During auto warm-up operation, if the engine speed is increased more than that of the auto warm-up opera- tion by operating engine control dial (1), the engine runs at the speed set by engine control dial (1). 5-4