70 Controls and Indicators
Hydraulic Pump Switch
This switch (see Figure 3-18), also known as PTO switch, engages and disengages the hydraulic
pump, all the body functions (packing, body up/down, tailgate up/down) and the joystick that
controls the arm. Note that the switch turns green when the pump is engaged.
Press the switch to activate the hydraulic pump.
Press the same switch again to deactivate the hydraulic pump.
NOTE: Do not close the main shut-off valve on the hydraulic tank even if the PTO switch is turned off.
The pump is always turning whatever the engine RPM. It is very important not to let the pump
run dry or without oil. Otherwise, the pump will be seriously damaged or even destroyed.
Figure 3-20
Main shut-off valve
IMPORTANT: In case of a leak in the hydraulic system, and if the vehicle has to be driven somewhere else,
take off the drive shaft between the pump and the engine. Call maintenance facility and
refer to the Maintenance Manual.
Body Up Switch
This control switch (see Figure 3-19) is used to raise the body. Press and keep down this switch to
raise the body to the desired height.
IMPORTANT: Before using this switch, make sure that the truck is parked on safe level ground and inspect for
overhead hazards, such as power lines.
When the body is off the frame a buzzer starts sounding.
Danger!
Always use the provided body safety prop when performing maintenance under a raised
body. Failure to do so may result in severe injury or even death.
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