Johnston CN101 - Hydraulic Circuit

Page Issue A
Chapter - Hydraulic System 2:3
CN101 - Maintenance
Hydraulic Circuit
(drawing reference: 400-3-019483 - Issue A)
Gritter
Option
Blower Motor
Cooler Block
Foot Pedal
5-25 bar
Electric
Oil Cooler
Front Axle
Rear Axle
Direction
of travel
Snow
Plough
Option
Raise /
Lower
Right
Wheel
Motor
Left
Wheel
Motor
4WS Block
(Option)
Steering
Unit / Motor
Priority
Valve
Blower
Pump
Transmission Pump
Work
Pump
HP Water
System
(Option)
Brush
Relief
Brush
Speed
Brush Motors
Brush
Reverse
(Option)
Position
Sweep Control Manifold Block
Hydraulic Tank
Hopper
Raise / Lower
Right Brush
Position
Left Brush
Position
Nozzle
Raise / Lower
Brush
Speed / Balance
Idle = 8-900 r/min
Transit = 1900 r/min
Work = 2300 r/min
Max. = 2800 r/min
i=1:1
Transmission Pump Settings:
Pressure cut-off = 300 bar
Secondary pressure = 350 bar
Feed pump = 25 bar
Transit = 119.7 l/min
Work = 144.9 l/min
8 l/min
Transit = 36.1 l/min
Work = 43.7 l/min
Transit = 65 l/min
Work = 77 l/min
Transit = 20.9 l/min
Work = 25.3 l/min
8 l/min
Transit = 20.9 l/min
Work = 25.3 l/min
Transit = 36.1 l/min
Work = 43.7 l/min
p dyn ca. 70 bar
p max. = 130 bar
working = 2400 r/min
Vg = 15 ccm
Transit = 59.8 l/min
Work = 72.4 l/min
Transit = 59.8 l/min
Work = 72.4 l/min
0-250 min-1
Vg = 300 ccm
Q = 0-12.5 l/min
pmax. = 110 bar
0-120 r/min
Vg = 100 ccm
All Copyright and rights are the property of Johnston Sweepers Ltd.