. OPERATION EXPLANATION OF COMPONENTS 3 - 53 Whe n using automatic reverse rota Switchin g from normal rotation to r everse rotation rotation to reverse rotation only if all the following conditions are fulfilled. cooling fan reverse rotation pilot lamp on the machine monitor will change from . led, the fan direction will not change. The fan will switch from normal rotation to reverse rotation only if all the following conditions are fulfilled.
If th e direction is switched, the lamp flashing and will stay lighted up If al l the conditions are not fulfil led, the fan direction will not chan If th e direction is not switched, t he cooling fan reverse rotation pil ot lam p on the m achine mo nitor will change from OF F to f lashing and will continu e to flash. verse rotation switch is at position (a). Conditions The cooling fan automatic re verse rotation switch is at p osition The engine water temperatu re is less than 90°C (194°F). (The indicator on the engine wate r temperature g auge i s below horizontal) The hydraulic oil temperatur e is less than 90°C (194°F).
(The indicator on the hydraulic o il temperature g auge i s below horizontal) The torque converter oil te mperature is below 100°C (212°F). (The indicator on the torque converter oil horizontal) ssed after the engine was started. as passed. The t emperature gauge is below At least 30 seconds have pa ssed after the engine was s tarted The set time for switching h F). ( The indica Switching from reverse rot ation to normal rotation if both of the following conditions are fulfilled. The fan will switch from reverse rotation to normal rotation if both of the following conditions are fulfilled.
If th e direction is switched, the c ooling fan reverse rotation p ilot lam p on t he machin e monitor w ill change as fol lows: Lighted up -> flashing -> OFF. ulfilled, the fan direction will not change. If n eithe r of the conditions are f ulfilled, the fan direction will not ch ange. If th e direction is not switched, t he cooling fan reverse rotation pil ot lam p on the m achine mo nitor will change from bei ng lighted up to flashing and will continue to flash.
Conditions Whe n the cooling fan autom atic reverse rotation switch i s set t o any position ot her than po rtion (a) when th e fan i s rotating in reverse, and t he hydraulic oil temperatur e has gone above 50°C (122°F) (the indicator on the hydraulic oil temperature ga uge is in the green range). Whe n the continuous time fo r fan automatic reverse rotation h as passed and t he hydrauli c oil temperatur e has gone above 50°C (122°F) (t he indicator on the hydraulic oil te mperature gaug e is in the g reen range) .
TORQUE CONVERTER LOCK-U P SWITCH (If e quipped) For details of the torque convert er lock-up, see "HANDLING TORQUE C ONVERT ER LOCK-U P (PAGE 6-3)" in the ATTACHMENTS, OPTIONS se ction.