. MAINTENANCE SERVICE PROCEDURE AUTOMATIC FAN REVERSING METHOD spray nozzle through the cooler (2), and the aftercooler NOTICE 4 - 30 (If equippe d) e engine at low idling. position (a) (auto reverse rotation ON) of cooling fan e rotation switch (1). that pilot lamp inside of the switch and the cooling fan 1. 2. r 3. r . Run th e engine at . Press position (a) (auto revers evers e rotation s witch (1). mp inside of t . Check that pilot la he switch and the cooling fan evers e rotation pi lot lamp on th e machine monitor light up . The fa n automatic ally rotates in reverse fo r 2 minutes every 2 hours.
cooling fan CLEAN FINS WITH COMPRESSED A Whe gaps and n cleaning the fin between the rad condenser(3) of a s, insert a ste iator (1), oil c ir conditioner. If t he steam jet nozzle is b rought too clos e to the radiator fins, it may damage the fins, so keep the nozzle a suitable distance away from the fin s when clean Wor k unde r the follow ing rough con ditions. (100 kg/cm2, 1420 PSI) in) Injection pressure: Max. 9.8 MPa (100 kg/c Nozzle diameter: M ax. 2 mm (0.1 Distanc e between n ozzle and ra diator fins: Min . 100 mm (3.9 in) 1420 PSI) Examine th e rubber ho ses, and if an y hose is c racked o r deteriorated, replace it. Check also t hat there are no loose hose clam ps.