Komatsu PC4000 Manual page 5

Assembly Procedure PC4000
1.1 Overview Superstructure (Z22586)
(1) Operator's cab with Falling Object Protective Structure (FOPS)
(2) Battery main switches
(3) Air cleaner for engine
(4) Cab support, contains the electric control system
(5) Swing circle
(6) Fuel tank
(7) Hydraulically operated access ladder
(8) Counter weight
(9) Hydraulic oil cooler
(10) Hydraulic oil reservoir
(11) Power take off (PTO) with hydraulic pumps
(12) Flexible coupling, oil filled
(13) Diesel engine
(14) Batteries
(15) Radiator
(16) Control valves with high pressure in-line filters
(17) Swing machinery
(18) Central lubrication system (CLS)
(19) Swing circle pinion lubrication system (SLS)
(20) Emergency escape ladder
PC4000Asrev05
Edition 08/2005
5