Komatsu PC20R-8, Operation & Maintenance Manual

Page: 18 / 196

TABLE OF CONTENTS
16
Page
TECHNICAL SPECIFICATIONS
4.7.6 MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . 155
4.7.7 MAINTENANCE EVERY 250 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
4.7.7.a ADJUSTING THE FAN BELT TENSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
4.7.7.b CHECKING THE BATTERY ELECTROLYTE LEVEL . . . . . . . . . . . . . . . . . . . . . 156
4.7.7.c CHECKING THE OIL LEVEL IN THE TRAVEL REDUCTION GEARS . . . . . . . . 156
4.7.7.d CHANGING THE HYDRAULIC SYSTEM OIL FILTER . . . . . . . . . . . . . . . . . . . . . 157
4.7.7.e CHANGING THE ENGINE OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
4.7.8 MAINTENANCE AFTER THE FIRST 500 HOURS OF OPERATION
(Only for machines in which the synthetic biodegradable oil type HEES is used) . . . . . . . . . 159
4.7.9 MAINTENANCE EVERY 500 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
4.7.9.a CHANGING THE ENGINE OIL FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
4.7.9.b CHANGING THE FUEL FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
4.7.9.c CHANGING THE FUEL PUMP PRECLEANER . . . . . . . . . . . . . . . . . . . . . . . . . . 161
4.7.9.d CLEANING THE OUTSIDE OF THE RADIATORS . . . . . . . . . . . . . . . . . . . . . . . 162
4.7.9.e DRAINING THE HYDRAULIC OIL TANK (Only for machines in which the
synthetic biodegradable oil type HEES is used) . . . . . . . . . . . . . . . . . . . . . . . . . . 163
4.7.10 MAINTENANCE EVERY 1000 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . 164
4.7.10.a CHANGING THE OIL IN THE TRAVEL REDUCTION GEARS . . . . . . . . . . . . . . 164
4.7.11 MAINTENANCE EVERY 2000 HOURS OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . 165
4.7.11.a CHANGING THE HYDRAULIC SYSTEM OIL AND CLEANING THE SUCTION
FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
4.7.11.b CHANGING THE COOLANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
4.7.11.c CHECKING AND ADJUSTING THE ENGINE VALVE CLEARANCE . . . . . . . . . 169
4.7.11.d CHECKING THE ALTERNATOR AND THE STARTER . . . . . . . . . . . . . . . . . . . . 169
5.1 TECHNICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
5.1.1 STANDARD OVERALL DIMENSIONS (for model PC20R only) . . . . . . . . . . . . . . . . . . . . . . 172
5.1.2 TECHNICAL CHARACTERISTICS PC20R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
5.1.3 STANDARD OVERALL DIMENSIONS (for model PC27R only) . . . . . . . . . . . . . . . . . . . . . . 174
5.1.4 TECHNICAL CHARACTERISTICS PC27R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
5.1.5 LIFTING CAPACITY WITH CAB (for model PC20R only) . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
5.1.6 LIFTING CAPACITY WITH CANOPY (for model PC20R only) . . . . . . . . . . . . . . . . . . . . . . . . 177
5.1.7 LIFTING CAPACITY WITH CAB (for model PC27R only) . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
5.1.8 LIFTING CAPACITY WITH CANOPY (for model PC27R only) . . . . . . . . . . . . . . . . . . . . . . . 179