. MAINTENANCE SERVICE PROCEDURE MAINTENANCE SERVICE PROCEDURE AUTO REVERSE FUNCTION hours. 4 - 29 9. After the cooli ng fan reverse rotati on pilot l amp on th e machine monitor flash es, check that i t goes out. Th e fa n is s et to r otate in the normal 10. Run the engi ne at low idling for a pprox. 1 0 seconds (If 1. Run the engi ne at low idling 2. Press positio n (a) (auto re reverse rotati on switch (1). 3. Check that pi lot lamp inside e switch and oolin g fan reverse rotati on pilot lamp o n the machin e monitor light u p. The fan auto matically rotate s in re verse f or 2 minut es every 2 REMARK ction is switched, the reverse rotation pilot lamp flashes.
When the fan dire ction is switched, th e revers e rotation pilot lamp flashes. When the machin e is operating under high lo ad or in lo w temperatures, the direction of ro tatio n of the fan may not change. This is t o protect the m achin e. Run the engine a t low idling and wait for the o il temperature o r water temperature to go d own before operating the switch .