Komatsu K50114, Operation & Maintenance Manual, Page: 27 / 41

CONTENTS
1-27
SUPER LONG FRONT BOOM AND ARM PC210/240-8
OPERATION INSTRUCTION FOR SUPER LONG FRONT BOOM AND ARM .................................................. 7-2
WORKING MODES .................................................................................................................................... 7-3
CHECKS BEFORE STARTING......................................................................................................... 7-4
USING SUPER LONG FRONT ......................................................................................................... 7-5
METHOD OF WORK PC210LC-8 (15M), PC210NLC-8 (15M). ........................................................ 7-6
WHEN TRAVELLING ........................................................................................................................ 7-6
METHOD OF WORK PC240LC-8 (18M), PC240NLC-8 (18M). ........................................................ 7-7
WHEN TRAVELLING ........................................................................................................................ 7-7
CONTROL LEVERS, PEDALS ................................................................................................................... 7-8
TRANSPORT & STORAGE OF SUPER LONG FRONT MACHINE ........................................................ 7-11
INSTALLATION OF SUPPORTING LINK ....................................................................................... 7-11
TRANSPORTATION OF SUPER LONG FRONT MACHINE .......................................................... 7-12
WORKING RANGE OF SUPER LONG FRONT....................................................................................... 7-13
LIFTING CAPACITY PC210 LC 15 M SUPER LONG FRONT................................................................. 7-14
LIFTING CAPACITY PC210 NLC 15 M SUPER LONG FRONT .............................................................. 7-15
LIFTING CAPACITY PC240 LC 18 M SUPER LONG FRONT................................................................. 7-16
LIFTING CAPACITY PC240 NLC 18 M SUPER LONG FRONT .............................................................. 7-17
MAINTENANCE .................................................................................................................................................. 7-18
SPECIAL SERVICE REQUIREMENTS FOR SUPER LONG FRONT WORK EQUIPMENT................... 7-18
EVERY 50 HOURS SERVICE .................................................................................................................. 7-19
LUBRICATING (MANUAL GREASE SYSTEM) .............................................................................. 7-19
EVERY 100 HOURS SERVICE ............................................................................................................... 7-20
LUBRICATING (MANUAL GREASE SYSTEM) .............................................................................. 7-20
PC240LC/NLC-8 HIGH REACH DEMOLITION
GENERAL VIEW OF MACHINE ........................................................................................................................... 8-2
CAUTION ITEMS............................................................................................................................... 8-3
TRAVEL POSTURE .......................................................................................................................... 8-3
OPERATION INSTRUCTIONS ............................................................................................................................. 8-4
WORK EQUIPMENT CONTROL LEVERS................................................................................................. 8-4
ATTACHMENT ROTATION (WITH AUTO-DECELERATION).......................................................... 8-5
CRUSHER CONTROL FOR OPENING AND CLOSING .................................................................. 8-6
MACHINE OPERATIONS AND CONTROLS ............................................................................................. 8-7
BEFORE STARTING ENGINE .......................................................................................................... 8-7
PROHIBITION OF WORK AT THE STROKE END OF A CYLINDER ............................................ 8-11
CONFIRMATION AND INSPECTION BEFORE AND AFTER WORK. ........................................... 8-11
PROHIBITION OF WORK WITH HYDRAULIC BREAKER ............................................................. 8-11
PROHIBITION OF WORK WITH DIGGING ATTACHMENT........................................................... 8-11
WORKING RANGE AND USING RANGE OF BOOM..................................................................... 8-12
POSTURE WHEN LEAVING MACHINE ......................................................................................... 8-13