. MAINTENANCE SERVICE PROCEDURE MANUAL FAN REVERSING METHOD NOTICE 4 - 28 Never ro tate the fan in revers e by hand when carrying o ut the operation. Before o perating the fan reve rse rotation switch, run th e engin e at low idling. 1. Set th e directional lever to the Neutral position. 2. Set th e parking brake sw itch to the ON position to app ly the p arking brake. 3. Run th e engine at low id 4. Press position (a) (manu al reverse rotation ON) of cooling fan revers e rotation switch ( 5. After t he cooling fan reve rse rotation pilot lamp o n the m achine monito r flashes, check that it lights up.
At th e sam e time "COOLING FAN REVE RSE" is displayed aracte displa y and the fan is se 6. Run th e engine at high i Select the time for runni ng the engine at high idl e as fo llows according to the conditio n of clogging. Norma l clogging: 1 to 2 Excessive clogging: 2 to 7. When the cleaning is co mpleted, run the engine at low idling. 8. Press position (a) (manu al reverse rotation ON) of cooling fan revers e rotation switch (