How to Use Backup Controls

Understanding the functions on the manual backup valve bank.

Valve Bank: Most common with Gen 3 or Monochrome Screen, can also be Gen 4.

1

Stroke manually:

Short Oval Knob Handle: strokes drive cylinders. Push or pull handle and hold for the duration of one stroke. Truck must be above 1200 rpm.

Tall Ball Knob Handle: shifts S-valve. Push or Pull and release. Holding in position is not required.

2

Blue: Accumulator dump valve, manual operation button.

Red: S-valve cycle valve, electric coils driven by CCU, manual palm buttons on each end of valve.

Green: Accumulator pressure relief “Backup” 250 bar (3,625 psi)

 

 

Manual Valve Bank: Gen 4 Model3

Green: Drive cylinder stroke valve. Push or pull and hold in position for the full duration of one stroke.

Red: Accumulator dump valve manual override.

Blue: S-Valve cycle valve.

Hard/Soft Shift for S-Valve

4

Hard-Shift: In-line (shown)

Soft-Shift: Closed at 90°

Accumulator Bottle:

5Accumulator Bottle: 4 Liters

Pressures:

6

WP Water Pump Pressure: 190 bar (2,755 psi)

RW Auger Pressure: 160 bar (2,320 psi)

Manual Auger and Water Pump Valve Block: Applies to Both Generation 3 and 4

7

Green: Manual valve for water pump

Blue: Manual auger forward valve

Red: Manual auger reverse valve

8

Green: Manual valve for water pump

Blue: Manual auger forward valve

Red: Manual auger reverse valve

To operate auger reverse, both the Red and Blue coils or valves must be engaged.