( ,PDbc) 2 [FLOW CONFLUX] [POWER BOOST] [PEDAL SAFTY] ( ,A1) 21 A2 A1 A3 T P1 BC1 BC2 Cco CoR DoR LCo 1 Main pump 2 Main control valve 3 Swing unit 8 Boom cylinder (LH) 9 Boom cylinder (RH) 10 Arm cylinder 13 Check valve 14 Check valve 16 Oil cooler 22 Pressure sensor 24 Pressure sensor 26 Last guard filter 30 Boom safety lock valve (LH, option) 30 Boom safety lock valve (RH, option) 31 Arm safety lock valve (option) 32 Shuttle valve (option) 35 Accumulator (option) 36 Accumulator (option) 37 Stop valve (option) 39 2-way pedal (option) 40 3-way joint (option) 41 Solenoid valve (option) 44 Solenoid valve (option) 48 Solenoid valve (option) 50 Solenoid valve (option) 51 Solenoid valve (option) 58 2-EPPR valve (option) 68 Pattern change valve (option) 69 Gear pump (option) ( ,P05) 2 ( ,C) 32 24 P2 PS OPTION 58 41 2 A1 A2 P T 26 PDbc DR9 Co P05 Do PDo PCo ( ,A3) 41 32 ( ,A2) 41 30Q8-47101-00 2OF2 A C B 37 35 37 40 36 13 14 16 ( ,P2) 41 ( ,T1) 2 13 14 16 B C a3 A3 Dr B3 B1 22 56 MA MB 30 30 PS 1 69 B A 8 9 M LS A B E 57 T P 44 Pi1 Pi1 ( ,PBb1) 2 ( ,Bb) 2 ( ,Ab) 2 3 ( ,PDbc) 2 [FLOW CONFLUX] [POWER BOOST] [PEDAL SAFTY] ( ,A1) 21 A2 A1 A3 T P1 E Pi1 V2 ( ,P05) 2 ( ,C) 32 41 24 CoR DoR T 3-2 P2 PS BC1 BC2 Cco LCo 51 OPTION B1 B2 B3 ( ,PDs) ( ,PCs) ( ,SH) 3 2 2 A1 A2 A3 (Swing CCW) (Swing CW) 2 (1) ( ,A) 32 B1 T 36 40 37 37 35 39 [OPTION CONF.] ( ,A3) 41 ( ,A2) 41 B C A A1 32 ITEM PORT ITEM PORT PLl PLf PLr PLb A D B E PRr PRb PRl PRf G H F J FROM TO 68 25 68 25 ( ,2) 39 ( ,P2) 41 ( ,1) 39 1 2 3 4 sl ad 68 sr ac 1 2 3 4 vd bu 68 vc bd 13 14 16 10 ( ,Ca) 2 ( ,Da) 2 5 6 B C ( ,T1) 2 31 E T Pi1 V2 ( ,e) 25 (Td#) CoR DoR PLl PLr PLb PLf PRb PRf PRl PRr bd sr ( ,A2) 21 BC1 BC2 Cco LCo ad vd OPTION ac vc bu 2 sl 24 ( ,A1) 21 ( ,PDo) 2 A1 A2 PS T P 2.
HYDRAULIC CIRCUIT 2. HYDRAULIC CIRCUIT 50 PDbc DR9 Co P05 Do PDo PCo B T P A 37 35 37 2 48 CAT/JohnDeere/ISO/Hitachi ( ,T1) 2 14 13 16 ( ,A1) 50 V2 68 36 CoR DoR FROM TO ITEM PORT ITEM PORT 5 1 68 PLl 2 3 PLf PLr 4 PLb 68 sl ad sr 25 A D B 6 ac 1 2 68 E PRr PRb 3 PRl 4 PRf 68 vd 25 G bu H vc F bd J CAT/JohnDeere/ISO/Hitachi