Komatsu PC28UU-1 Shop Manual

HYDRAULIC CIRCUIT SCHEMATIC
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC TANK
HYDRAULIC PUMP
6-SPOOL CONTROL VALVE
2-SPOOL CONTROL VALVE
CENTER SWIVEL JOINT
SWING MOTOR (WITH REDUCTION GEAR)
TRAVEL MOTOR (WITH REDUCTION GEAR)
HYDRAULIC CYLINDER
WORK EQUIPMENT CONTROL
WORK EQUIPMENT
ELECTRICAL CIRCUIT DIAGRAM
O TESTING AND ADJUSTING
TABLE OF JUDGEMENT STANDARD VALVE
TESTING AND ADJUSTING TOOL LIST
TESTING AND ADJUSTING HYDRAULIC PRESSURE
MEASURING DISCHARGE OF PUMP
O DISASSEMBLY AND ASSEMBLY

SEBM021U0101

SERIAL No.
1001 and up