OPERATION DETAILED CONTROLS AND GAUGES Travel Speed Selector Switch This is used (2) to select high or low travel speed. LOW position: Low speed travel HIGH position: High speed travel Swing Lock Switch WARNING When traveling or when not using the swing operation, apply the swing lock. On slopes, even when the swing lock switch is at the ON position, the weight of the work equipment may cause the upper structure to swing if the swing control lever is operated in the downhill direc- tion. This switch (3) is used to lock the upper structure so that it can- not swing. ON position (actuated): The swing lock is always applied, and the upper structure will not swing even if the swing is operated.
In this condi- tion, the swing lock lamp lights up. OFF position (canceled):The swing lock is applied only when the swing control lever is at neutral; when the swing control lever is oper- ated, it is canceled. The swing lock is actuated approx. 4 seconds after the swing lever is placed in neutral. Windshield Wiper Switch This switch (4) actuates the front window wiper. (a) OFF: The wiper stops. (b) ON: The wiper moves continuously. (c) Window washer fluid is sprayed out:When the switch is re- leased, it returns to (b). (d) Window washer fluid is sprayed out:When the switch is re- leased, it returns to (a). 3-11