Liebherr R974 C Hydraulic Excavator Operators Service Repair Manual

PIN/Type – 449, 1010, 1011, 1057, 1058, 1059, 1084, 1124, 1137, 1146, 1152, 1365, 1371, 1417, 1420
Service Repair Manual: 886 Pages
Operators Manual (SN 15259: 22514) – 333 Pages
Operators Manual (SN 22515: 27699) – 376 Pages
Operators Manual (SN 27700: 30723) – 382 Pages
Operators Manual (SN after 30724): 395 Pages
Operators Manual (High Rise Version): 365 Pages
PIN/Type: 449, 1010, 1011, 1057, 1058, 1059, 1084, 1124, 1137, 1146, 1152, 1365, 1371, 1417, 1420
Manuals: Operators Manual, Repair Manual

Table of Content – Liebherr R974 C Hydraulic Excavator Type 449, 1010, 1011, 1057, 1058, 1059, 1084, 1124, 1137, 1146, 1152, 1365, 1371, 1417, 1420 Manual

Front page
Contents
Introduction
1 General information
1.10: Safety instructions
1.20: Standards and regulations
1.50: Lubricants and operating fluids
1.60: Conservation guidelines
2 Tools
2.01: Special tools for maintenance and repair
2.02: Special tools for Liebherr Diesel engines
2.02:
2.03: Special tools for the hydraulic system
2.06: Special tools for electrical connectors
2.07: Special tools for gears
2.08: Common tools
2.10: Measuring tool for spool travel
2.12: Mounting tools for hydraulic cylinders
2.14: Wrench for the slotted nut on the swing gear SAT
2.15: Compression device for brake piston of gear SAT
2.16: Compression device for brake piston of gear FAT – construction line A
2.18: Compression device for brake piston of gear FAT – construction line P(r)
2.19: Tools for installing the slipring seals
3 Technical data / Maintenance guidelines
3.10: Technical data
3.12: Technical data
3.50: Control and maintenance chart
3.60: Control and maintenance chart
3.70: Lubrication chart
3.75: Lubrication chart
4 Engine / Motor
4.10: Technical Data Diesel Engines
5 Coupling / Splitterbox
5.10: Coupling
5.50: Pump distribution gear – construction line MKA 350 C
6 Hydraulic system
6.10: Adjustment Check List
6.20: Adjustment Check List
6.50: Hydraulic system description
6.70: Hydraulic Schematics – Components List
6.75: Hydraulic Schematics – Components List
6.90: List of hydraulic schematics – Standard execution
7 Hydraulic components
7.06: Pumps assembly R964C – R974C
7.13: LPV variable-displacement pump
7.17: Variable-displacement pump A4 VG
7.20: Hydraulic motors schedule
7.22: FMF hydraulic fixed displacement motor
7.27: FMV variable displacement hyd. motor
7.31: Hydraulic cylinders
7.32: Installations for pistons and piston nuts by hydraulic cylinders
7.35: Extension and retraction speeds
7.36: List of the hydraulic cylinders
7.37: List of the hydraulic cylinders
7.45: Regulating and servo oil unit
7.75: 1-way rotary connection
7.77: 5-way rotary connection
7.90: Line break safety valve
7.98: Hydraulic brake valve for travel motor
8 Electrical system
8.10: Construction of the electrical system
8.30: Monitoring display
8.80: Component list – Electrical diagrams
8.90: List of electrical diagrams – Standard execution
9 Swing gear
9.05: Swing gears – schedule
9.10: Technical data of the swing gears SAT
9.20: Swing Gear SAT – Function
9.40: Gear SAT 400 /256 – Section view
9.45: Gear SAT 375 /253 – Section view
10 Swing ring
10.20: Single row ball swing ring
11 Travel gear
11.05: Gear types schedule
11.11: Technical data of the travel gears
11.20: Gear FAT of construction line P(r)
11.30: Gear FAT of construction line A
11.40: Removing and reinstalling the travel gears FAT
11.51: Sealing the gear – construction line P(r) and A
11.71: Travel brakes
11.75: Slipring seals
12 Track components
12.10: Track components of crawler excavators
12.29: List of the track components on R974C
12.30: Wear on the track components
12.32: Wear limits for chains
12.35: Wear limits for rollers
12.38: Wear limits for guide & sprocket wheels
12.40: Removal, installation of track components
12.50: Spring tension units – technical data
12.55: Spring tension unit preassembled
12.56: Tension unit with single spring loose
12.57: Tension unit with two tension springs loose
12.58: Grease tensioner and guide wheel unit
12.70: Track roller
12.77: Carrier roller (supported on both sides)
12.80: Slipring seals
13 Undercarriage
13.10: Undercarriage with adjustable track gauge
16 Options
16.20: Additional attachment AHS 11 with Tool Control
16.28: Rotating device (AS2)
16.30: Refuelling pump
16.36: Option demolition
16.40: Overload warning system
16.42: Overload warning system
16.48: Stick and hoist cylinder shut-down
16.91: List of diagrams
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
7
18
19
17 Cab / Heater / Air conditioning system
17.30: Auxiliary heating D5WS
17.50: Heating and air-conditioning system
18 Central lubrication
18.10: System with 2 progressive lubrication circuits
18.30: Research of breakdowns and propositions of solutions
18.51: Lubrication pump
18.61: Progressive distributor SX-E
18.66: Progressive distributor MX-F
18.81: Lube hoses repair instructions