Manitou AETJ 43 - Hydraulic

TABLE OF CONTENTS
HYDRAULIC
70.1 HYDRAULIC SCHEMATIC DIAGRAMS .................................................35
70.1.1 679449  HYDRAULIC DIAGRAM............................................................35
70.1.2 685268  HYDRAULIC DIAGRAM............................................................39
70.2 HYDRAULIC COMPONENTS LOCATION ..................................................... 43
70.2.1 HYDRAULIC COMPONENTS OF THE CHASSIS  LOCATION ..................................43
70.2.2 HYDRAULIC COMPONENTS OF THE TURRET  LOCATION ...................................44
70.2.3 HYDRAULIC COMPONENTS OF THE JIB  LOCATION ........................................45
70.3 HYDRAULIC CONTROL AND ADJUSTMENT ................................................. 47
70.3.1 MAIN CIRCUIT  PRESSURE SETTING .......................................................47
70.3.2 STEERING, BASKET/TURRET ROTATION CIRCUIT  PRESSURE SETTING ......................47
70.3.3 BRAKE RELEASE CIRCUIT  PRESSURE SETTING .............................................48
PRESSURE SWITCH ADJUSTMENT............................................................................48
70.3.4 TELESCOPIC CIRCUIT  PRESSURE SETTING.................................................49
PRESSURE REDUCER SETTING ...............................................................................49
70.3.5 COMPENSATION/TILTING CIRCUIT  PRESSURE SETTING....................................50
DECOMPRESSION OF THE CIRCUIT...........................................................................50
VALVE A ADJUSTMENT ......................................................................................50
VALVE B ADJUSTMENT .......................................................................................51
70.3.6 COMPENSATION/TILTING CIRCUIT  PROBLEM SOLVING....................................52
TEST PROCEDURE............................................................................................52
ANALYSIS OF RESULTS .......................................................................................53
70.3.7 TURRET ROTATION MOTOR  REMOVAL ....................................................54
70.3.8 ELECTRIC PUMP  REMOVAL ...............................................................55
70.3.9 REDUCING GEARS/WHEEL BRAKES  REMOVAL.............................................56
70.3.10 DISTRIBUTOR  REMOVAL..................................................................57
DISTRIBUTOR  DETAILS......................................................................................59
70.3.11 CYLINDERS  REMOVAL ....................................................................60
STEERING CYLINDER  REMOVAL.............................................................................60
REFIT ........................................................................................................60
ARM 1/2 LIFTING CYLINDER  REMOVAL......................................................................61
ARM 3 LIFTING CYLINDER  REMOVAL........................................................................62
TELESCOPIC CYLINDER  REMOVAL ..........................................................................63
COMPENSATION/TILTING CYLINDER REMOVAL ..............................................................64
JIB CYLINDER  REMOVAL ....................................................................................66
BASKET ROTATION CYLINDER  REMOVAL....................................................................67
ROTATION CYLINDER 3D  JIB  REMOVAL ..................................................................68
70