Yanmar ViO80-1A, User Operation And Maintenance Manual

Page: 134 / 215

14 Implementing the 3rd hydraulic circuit
117
14.1.1 3rd circuit selector
• Use this valve, located under the mat, to select the
3rd hydraulic circuit in single or dual effect.
A = 3rd circuit - dual effect
B = 3rd circuit - single effect with direct tank return
• Use this valve to select the 3rd hydralulic circuit in
single or dual effect.
1. Open cover B using the starter key.
1 = Cover B
2. Turn the valve lever to select single or dual
effect.
2 = 3rd circuit selector
A = 3rd circuit - dual effect
B = 3rd circuit - single effect with direct tank return
14.2 Mounting the accessory
WARNING
Before performing any maintenance operation, remove residual pressure in the hydraulic
circuit.
2.1.1 Removing the residual pressure, page 139
Always drain the machine's oil into a safe container and never directly onto the ground.
1. Stop the engine.
2. Remove the caps.
3. Connect the hydraulic tool's hoses.
Hydraulic oil rate at nominal engine speed :
1 Specifications , page 175