Volvo EC420 Åkerman Excavator Repair Manual

Table of Content EC420 Åkerman Service Information

GENERAL
DESCRIPTION, COMPLETE MACHINE
General
General
TRANSPORT INSTRUCTION.; STORAGE INSTRUCTION; OPERATING INSTRUCTION
General
STANDARD PARTS, SERVICE
LUBRICANT; FUEL; OTHER FLUID
General
SERVICE
Maintenance
GENERAL
Safety equipment, without own function group
ENGINE WITH MOUNTING AND EQUIPMENT
ENGINE
General, common info about 211 – 218
LUBRICATING SYSTEM
General, common info about 221 – 224
FUEL SYSTEM
Fuel tank; fuel filling pump
COOLING SYSTEM
General, common info about 261 – 269
ENGINE CONTROL
Automatic speed control
ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
GENERAL
Comprehensive info, electrical system
BATTERY; ENERGY STORAGE SYSTEM; MOUNTING PARTS
General, common info about 311 – 313
Battery
ALTERNATOR; CHARGING; ELECTRIC MOTOR; ELECTRIC DRIVES
General, common info about 321 – 322
CABLE; FUSE; RELAY
General, common info about 371 – 379
Electrical distribution box; fuse box; junction box
INSTRUMENT; SENSOR; WARNING AND INFORMATION SYSTEM
General, common info about 383 – 387
Sender, monitoring system
Warning/information unit, display unit
POWER TRANSMISSION
GEARBOX,
Gearbox
HYDROSTATIC DRIVE
General, common info about 441 – 443
MISCELLANEOUS
Swing system upper part
BRAKE
TRACK BRAKE
General
FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL/TRACK UNIT
FRAME
Counterweight
WHEELS; TRACKS; TYRE; HUB; DRUM
Crawler unit
HYDRAULIC SYSTEM; DIGGING/ HANDLING/ GRADING EQUIPM.; MISC. EQUIP.
WORKING HYDRAULICS; SERVO HYDRAULICS
General, common info about 911 – 917
Tank; line; oil cooling; filter; breather; filling pump
Working hydraulics
The control-pressure valve for travelling forward (12:j) and rearward
(12:k)
Pump, working hydraulics
Servo hydraulic system
UNIT, DIGGING
General, common info about 971 – 975
MISCELLANEOUS
Other equipments/attachments