Table Of Contents - Husqvarna P 520D Workshop Manual

Introduction .......................................................... 2
Safety Instructions ............................................. 3
General Safety Instructions .............................. 3
Special Safety Directions ................................. 3
Special Tools ...................................................... 4
Hydraulic Equipment ........................................ 4
Tool for Measuring Wheel Speed ..................... 4
Laser Tachometer ............................................ 4
Remember When Measuring ........................... 4
Measure rpm .................................................... 5
Read the Last, Highest and Lowest Values ..... 5
Change Batteries .............................................. 5
Care .................................................................. 5
Serial Number ..................................................... 6
Screw Fasteners .................................................. 7
Hydraulic Couplings ......................................... 7
Chassis ................................................................ 8
Removing Driver's Seat .................................... 8
Changing Throttle Cable .................................. 8
Changing Parking Brake Cable ........................ 9
Dismantling Wheel Hub .................................. 10
Changing Wheel Hub Bearing ........................ 10
Changing Pedal Bracket Bushings ................. 11
Changing Lifting Arms and Bushings ............. 13
Changing Link Stay ........................................ 14
Changing Joint Bearing in Articulated Unit ..... 16
Propulsion ......................................................... 22
Air Filter, Dismantling and Assembly .............. 22
Drive Shaft for Hydraulic Pump, Dismantling
and Assembling .............................................. 23
Changing Solenoid Clutch .............................. 24
Engine, Dismantling, Assembling ................... 29
Cooling System ................................................ 32
Replacing the Cooler ...................................... 33
Pressure Testing the Radiator ........................ 34
Workshop Manual
P 520D, P 525D
Contents
Fuel System ...................................................... 35
Fuel Tank, Assembly and Dismantling ........... 35
Bleeding the Fuel System .............................. 36
Electrical System .............................................. 37
Battery, Changing ........................................... 38
Circuit Board, Changing ................................. 39
Parking Brake Sensor, Changing ................... 40
Ignition Switch, Changing ............................... 41
Hour Meter, Changing .................................... 42
Hydraulic System ............................................. 43
Hydraulic Hygiene .......................................... 43
Rectify Oil Leaks ............................................ 43
Keep Hydraulic System Fluid Clean ............... 43
Working Methods ........................................... 43
Hydraulic Couplings, Pipes and Hoses .......... 44
Hydraulic System ........................................... 44
Suction Filter, Changing ................................. 45
Hydraulic Pump, Changing ............................. 46
Rear Transmission, Changing ........................ 49
Front Transmission, Changing ....................... 53
Filter Holder, Changing .................................. 55
Valve Block Working Hydraulics, Changing ... 56
Steering Servo, Changing .............................. 56
Steering Cylinder, Replacement ..................... 58
Steering Cylinder, Changing Joint Bearing .... 59
Lifting Cylinder, Replacement ........................ 60
Cutting Deck ..................................................... 61
Bearing Housing Blade Bearing, Changing .... 61
Bearing Housing, Changing Bearing .............. 62
Technical Data .................................................. 64
Technical Data - Sound and Vibration Levels ..... 65
Technical Data - Fluids ................................... 65
Technical Data - Cutting Deck ........................ 65
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