OM3216 3/10 Operator Cab and Controls - Section 32 Page 32-9 Parking Brake Switch When parking brake switch (6, Figure 32-5) is in the ON position, the parking brake is applied. When this switch is in the OFF position, the parking brake is released. The parking brake is spring applied and hydraulically released. It will hold a stationary truck when the engine is stopped and the key switch is in the OFF position. DO NOT apply the parking brake while the truck is in motion. Damage to parking brake compo- nents will occur. When the key switch is ON and the parking brake is applied, an indicator light in the center dash panel will illuminate.
Refer to Instrument Panel And Indica- tors later in this chapter. LH Window Control Switch LH window control switch (2, Figure 32-5) is spring-loaded to the center, OFF, position. Pushing the front of the switch lowers the left side cab window. Pushing the rear of the switch raises the window. RH Window Control Switch RH window control switch (7, Figure 32-5) is spring-loaded to the center, OFF position. Pushing the front of the switch lowers the right side cab win- dow. Pushing the rear of the switch raises the window. Auxiliary Power Outlets Auxiliary power outlets (5, Figure 32-5) can be used to power accessory items. The outlets supply 12VDC.