Operating Manual

T Running time for one lubrication cycle

Y95 Pump

Y79 Dump valve

B69 Grease Pressure

A Cycle ends with max pressure after hold time

B Closed

C Open

E Max pressure – 40 bar

F Max pressure

G Hold time #1

H Hold time #2

I Continuous pumping (S144 On)

Single-line system

The single-line system consists of a pump to supply lubricant under pressure to the injector metering devices via the supply line. The injector metering devices deliver lubricant to a secondary (progressive) metering device or to the bearing through feed lines.

The lubrication cycle is initiated by an automated pump. The injectors have indicator stems, which move in and out to indicate that they have been cycled.

A controller will control the automated system.

The time between on cycles and the length of off cycles is adjustable. The controller includes the timer function above with a monitor function and alarm capability. A pressure switch is used to indicate when system pressure has been reached to turn off the pump and verify that a lube cycle has been completed. If the pressure switch does not detect full pressure within a preset period of time, the controller goes into alarm state.

If level II (for cold weather) is applied: the solenoid valve (Y79) allows to hold the pressure in the grease system, even if the pump has already stopped.

Pump station 80+8L (R9150)

For information and descriptions of the components, refer to chapter 13.

For more details:

Operating elements Functions

Refer to Manual 93EN-98002-A11_OpInst_LIEBHERR-LFR_Mining_664-36957-7_...

Fault signals

Each time a fault arises, an acoustic signal will be given by the controller (buzzer) and the two flashing lights on the pump stations will be activated. Buzzer and flashing lights can be deactivated by pressing the ENTER key.

In two cases this will not be possible:

- very low grease level in the barrel (LL)

- both sensors for monitoring the lubrication of the slewing rim are defective In these cases, buzzer and flashing lights will be deactivated when switching off the motor, however, will be activated again when starting the motor.

Adjusted values

For service personnel with PC, corresponding software and authorization: adjustable max. value adjustable min. value adjusted value

System P3: Swing ring and swing gear lubrication

In the automatic system P3, the central lubrication pump provides lubricant to the Progressive Metering Device (Progressive System) which distributes the lubricant to each lubrication point evenly (swing ring teeth and the swing gear centering seat).

When the pause time has lapsed, the pump P3 supplies lubricant to the connected progressive metering device. A progressive metering device type SSV 6 is provided with the proximity switch B51 for control and monitoring purposes. After two cycles of the SSV 6, which correspond to a full lubrication cycle, the pump P3 is switched off thanks to the proximity switch B51.

Pump P3 - Multi-line pump type P203-8XYBAU (R9150)

The pump is a compact multiline pump consisting of the following components:

· Housing with integrated motor

· Reservoir with stirring paddle

· Printed circuit board

· Pump element

· Pressure relief valve

· Filling nipple

· Electrical connection parts

· Operates according to lubrication cycles (pause and operating times)

· Designed for the delivery of greases up to NLGI 2

· Can be used at low temperatures down to -40 °C.

· During the operating time the pump dispenses lubricant to the connected lubrication points via one device.

Number of outlets: 1

Piston diameter: 6 mm

Lubricant output: approx. 2.8 cm³/min

Reservoir capacity: 8 liters

For more details:

Description

Mode of operation

Maintenance

Troubleshooting

Technical data

Refer to Technical Description: 21EN-30001-xxx; 20EN-20003-xxx; 26A-20003-xxx

For information and descriptions of the components, refer to chapter 13.