General
1 - 20
Figure 1-20 Sequence of Operation - BRAKE-OFF, Option Code B
High Pressure
Low Pressure
Pilot Pressure
Drain Pressure
To Tractor
Ripper
Valve
Tractor
Control
Lever
Pilot
Operated
Pilot
Supply
From
Tractor
Control Lever
Center Position
To Tractor
Drain
Motor
Brake
Planetary
Reducer
Brake-Off
Clutch
A
B
X1
Counterbalance
Relief Manifold
Control
Manifold
Note: Electrical Control Wiring
between the Brake-Off control
switch and control manifold is not
shown for clarity.
Summary of Contents for H12E
Page 8: ...vi Notes ...
Page 48: ...General 1 40 Notes ...
Page 54: ...Section 1 1 46 Figure 1 35 H12E Hydraulic Electrical Schematic Option Code B CAT D8T C74 ...
Page 55: ...Section 1 1 47 Figure 1 36 H12E Hydraulic Electrical Schematic Option Code D CAT D8T C74 ...
Page 59: ...Section 1 1 51 Figure 1 40 H12E Hydraulic Electrical Schematic Option Code D CAT D8R C59 ...
Page 63: ...Troubleshooting 2 4 Notes ...
Page 75: ...Service 3 12 Notes ...
Page 90: ...Section 4 4 15 Intentionally Blank ...
Page 102: ...Section 4 4 27 Intentionally Blank ...
Page 108: ...Section 4 4 33 Intentionally Blank ...
Page 116: ...Section 4 4 41 Intentionally Blank ...
Page 119: ...Repairs 4 44 Notes ...
Page 120: ......