Intro

Liebherr R9400 Hydraulic Tune LMB Pumps

Please note this document is built for multipe machines refer to OEM procedure for relevant test for your machine

Please ensure OEM Tune up procedure and Cycle times sheet is attatched.

Client

Site

DATE

Machine Make

Machine Model

Machine Asset Number

Work Order No.

Engine Hours

Swing Hours

Travel Hours

Photo of whole Machine (Front Right Corner)

Browse

Cycle Times

Cycle Times. Before & After Tune

Boom Up Before

Boom up After

Stick In Before

Stick In After

Stick Out Before

Stick Out After

Bucket Curl Before

Bucket Curl After

Bucket Dump Before

Bucket Dump After

Slew Left Before

Slew Left After

Slew Right Before

Slew Right After

LH Travel FWD (Slow) Before

LH Travel FWD (Slow) After

LH Travel REV (Slow) Before

LH Travel REV (Slow) After

RH Travel FWD (Slow) Before

RH Travel FWD (Slow) After

RH Travel REV (Slow) Before

RH Travel REV (Slow) After

LH Travel FWD (Fast) Before

LH Travel FWD (Fast) After

LH Travel REV (Fast) Before

LH Travel REV (Fast) After

RH Travel FWD (Fast) Before

RH Travel FWD (Fast) After

RH Travel REV (Fast) Before

RH Travel REV (Fast) After

Comments

Servo/Low

Servo/Low Pressures. Before & After Adjustments

Servo Before 55+2

Servo After 55+2

Splitterbox Lube Before 1.5 - 2

Splitterbox Lube After 1.5 - 2

Comments

Ladder & Service Tail

Ladder & Service Tail Pressures. Before & After Adjustments

Ladder Up LPRV1 Before 50+1/2 turn

Ladder Up LPRV1 After 50+1/2 turn

Ladder Down LPRV2 Before 50

Ladder Down LPRV2 After 50

Service Trap PRV Before 110+-5

Service Trap PRV After 110+-5

Comments

Cooling

Cooling Pressures. Before & After Adjustments

Engine Rad fans without sound attenuation Before 180

Engine Rad fans without sound attenuation After 180

Hydraulic Cooler fans without sound attenuation Before 170

Hydraulic Cooler fans without sound attenuation After 170

Comments

Brake & 2Speed

Brake & 2Speed Pressures. Before & After Adjustments

Swing Brake Before 30+-1

Swing Brake After 30+-1

Travel Brake Before 30+-1

Travel Brake After 30+-1

2 Speed Travel Before 25+2

2 Speed Travel After 25+2

Comments

A/C & Air System

A/C Pressures. Before & After Adjustments

A/C Pump Before 90+-15

A/C Pump After 90+-15

A/C Motor Before RPM 1600-1800

A/C Motor After RPM 1600-1800

Comments

Air System. Before & After Adjustments

Air System Cutout Before 7.25

Air System Cutout After 7.25

Air System Cut in Before 6.2

Air System Cut in After 6.2

Hydraulic Tank Air Before .2 to .3

Hydraulic Tank Air After .2 to .3

Comments

Main Pump Regulator

Main Pump Regulator Pressures. Before & After Adjustments

MP1 Switching Point DW Before 10+-5

MP1 Switching Point DW After 10+-5

MP1 Power Reg LR Before 45+10

MP1 Power Reg LR After 45+10

MP1 Power Reg DR Before 150

MP1 Power Reg DR After 150

MP2 Switching Point DW Before 10+-5

MP2 Switching Point DW After 10+-5

MP2 Power Reg LR Before 45+10

MP2 Power Reg LR After 45+10

MP2 Power Reg DR Before 150

MP2 Power Reg DR After 150

MP3 Switching Point DW Before 10+-5

MP3 Switching Point DW After 10+-5

MP3 Power Reg LR Before 45+10

MP3 Power Reg LR After 45+10

MP3 Power Reg DR Before 150

MP3 Power Reg DR After 150

MP4 Switching Point DW Before 10+-5

MP4 Switching Point DW After 10+-5

MP4 Power Reg LR Before 45+10

MP4 Power Reg LR After 45+10

MP4 Power Reg DR Before 150

MP4 Power Reg DR After 150

Comments

Track Tensioning

Track Tensioning Pressures. Before & After Adjustments

Track Hyd Cyl Left Chrome Length 175mm

Track Hyd Cyl Right Chrome Length 175mm

LH Track Tension LVT Before 220

LH Track Tension LVT After 220

RH Track Tension LVT Before 220

RH Track Tension LVT After 220

LH Track Tension PRV Before 110

LH Track Tension PRV After 110

RH Track Tension Before PRV 110

RH Track Tension After PRV 110

Comments

Secondary Relief

Secondary Relief Pressures. Before & After Adjustments

Boom Up VB1, VB2, VB3 & VB4 Before 380+-5

Boom Up VB1, VB2, VB3 & VB4 After 380+-5

Boom Down VB1, VB2, VB3 & VB4 Before 380+-5

Boom Down VB1, VB2, VB3 & VB4 After 380+-5

Stick In VB1 & VB2 Before 380+-5

Stick In VB1 & VB2 After 380+-5

Stick Out VB1 & VB2 Before 380+-5

Stick Out VB1 & VB2 After 380+-5

Bucket In VB1 & VB2 Before 380+-5

Bucket In VB1 & VB2 After 380+-5

Bucket Out VB1 & VB2 Before 380+-5

Bucket Out VB1 & VB2 After 380+-5

LH Travel FWD Before 380+-5

LH Travel FWD After 380+-5

LH Travel REV Before 380+-5

LH Travel REV After 380+-5

RH Travel FWD Before 380+-5

RH Travel FWD After 380+-5

RH Travel REV Before 380+-5

RH Travel REV After 380+-5

Comments

Primary Relief

Primary Relief Pressures. Before & After Adjustments

VB1 Before 320+5

VB1 After 320+5

VB2 Before 320+5

VB2 After 320+5

VB3 Travel Boost Before 350+-5

VB3 Travel Boost After 350+-5

VB4 Travel Boost Before 350+-5

VB4 Travel Boost After 350+-5

VB3 Before 320+5

VB3 After 320+5

VB4 Before 320+5

VB4 After 320+5

Comments

Swing Pump

Swing Pump Pressures. Before & After Adjustments

Swing Replenish Before 30+2

Swing Replenish After 30+2

P50.1 Swing Balance A Port Before

P50.1 Swing Balance A Port After

P50.1 Swing Balance B Port Before

P50.1 Swing Balance B Port After

P50.1 Swing Left Cutoff Before 350+5

P50.1 Swing Left Cutoff After 350+5

P50.1 Swing Right Cutoff Before 350+5

P50.1 Swing Right Cutoff After 350+5

P50.1 Swing Braking Torque Left Before 140-150

P50.1 Swing Braking Torque Left After 140-150

P50.1 Swing Braking Torque Right Before 140-150

P50.1 Swing Braking Torque Right After 140-150

P50.2 Swing Balance A Port Before

P50.2 Swing Balance A Port After

P50.2 Swing Balance B Port Before

P50.2 Swing Balance B Port After

P50.2 Swing Left Cutoff Before 350+-5

P50.2 Swing Left Cutoff After 350+-5

P50.2 Swing Right Cutoff Before 350+-5

P50.2 Swing Right Cutoff After 350+-5

P50.2 Swing Braking Torque Left Before 140-150

P50.2 Swing Braking Torque Left After 140-150

P50.2 Swing Braking Torque Right Before 140-150

P50.2 Swing Braking Torque Right After 140-150

Comments

Movement Checks

Movement In Boom

Movement In Stick

Movement In Bucket

Boom Cylinder Movement

Stick Cylinder Movement

Bucket Cylinder Movement

Record Movements Below

Carrier Rollers

Load Rollers

Does 2 Speed Travel Work

Does The Machine Have Any Cylinder Creep

Does The Machine Walk Straight FWD & RVS

Does the machine walk straight in FWD & RVS in High Speed

Dampfung Proxy's Lighting up & Working. Dampfung adjusted correctly

Check Servo Accumulator Function

Comments

Grease System & Electrical Checks

Grease System

Cycle All Grease System & Ensure Correct Operation

P1 Cutout Pressure 240

P1 Cycle Time

P2 Cutout Pressure 240

P2 Cycle Time

P3 Pulse Count 6

Comments

Electrical Checks

Travel Alarm & Lights Working

Seat Belt Alarm Working

All Work Lights Working

AM/FM Radio Working

Site 2-Way Radio Working

Camera System Working

Electric Horn Working

Air Horn Working

Wipers & Washers Working

A/C Working

Ladder Alarm & Light Working

Safety Lever Working

Isolators Working Correctly

Mineware Systems Working

Ladder Interlock Working

Operation of E-Stops Working

Check Pre Lube Operation Eng

Check Service Trap Interlock Works

Dampfung Working

Check Dump Valve Activates With E-Stop

Bridge Out Dirty Switches To Check Operation & Location

Comments

Machine Faults

Photo of Active Fault Screen

Browse

Photo of Inactive Fault Screen

Browse

Photos

Photos Of Engine

Browse

Photos Of Radiator Engine

Browse

Photos Of Splitterbox & Pumps

Browse

Photos Of Swing Area

Browse

Photos Of Hyd Cooler Room

Browse

Photos of Travel Hoses

Browse

Undercarrage

Browse

Sign Off

Issues found during tune

Name *

Signature *

Draw signature|Type signatureClear

Save and Complete Later