GROUP 1 HYDRAULIC CIRCUIT SECTION 3 HYDRAULIC SYSTEM 30Q6-47100-00 1OF2 2 10 11 8 9 1 Main pump 2 Main control valve [BOOM UP] [ROD] [HEAD] ( ,P04) 2 ( ,h) 25 ( ,j) 25 ( ,PaL) 2 ( ,P02) 2 ( ,PDb2) 2 [ROD] [HEAD] ( ,PAb1) 2 [BUCKET OUT] [BUCKET IN] ( ,PDa) 2 ( ,PAb1) 2 [BOOM DOWN] ( ,C) 12 ( ,g) 25 ( ,f) 25 ARM2 ARM2 (ARM OUT) (ARM REGEN CUT) (BREAKER) (UNLOCK SIGNAL) [BOOM UP] PBk PAk ( ,PCbc) 2 PBa2 [ARM IN] PAa2 DR6 P02 Abk PBa (ARM IN) PBrc PAbk DR4 Bb Ab PBb1 PAb1 Pi1 Bk Ak P04 DR2 PbL Btr Atr BUCKET BUCKET ARM REGEN ARM REGEN BOOM BOOM NRV2 NRV2 Cck BbkR CRb ( ,Pi2) 1 ( ,Pi1) 1 ( ,P3) 21 Pn1 Pn2 NRV1 NRV1 BkR AkR LCk2 LCk1 LCa2 LCar BbR LCbk AbR LCb BtR P5 P4 Rs BOOM2 SWING P/R SWING P/R [S/M MAKE UP] ( ,MU) 3 BC1 BC2 Cco CoR DoR LCo CaR DaR LCa LCs E 3-1 OPTION ARM ARM Ccb SWING SWING (RIGHT) TRAVEL TS TS P1 1 16 26 20 23 CRa ( ,Pn2) 2 PS 24 34 13 ( ,PAk) 2 [BUCKET IN] PCbc [BUCKET CONF.] PDbc [OPTION CONF.] DR9 Co P05 Do PDo PCo Ca Da DR7 PaL [UNLOCK SIGNAL] PCa PDa ( ,PAa2) 2 PCsp ( ,c) 25 ( ,PAb1) 2 PDb2 ( ,VA) 3 Cs Ds PCs PDs DR5 P03 DR3 Ctl PCtl Dtl PDtl PS DR1 P01 PS 24 [HEAD] [SWING PRIORITY] [BOOM UP PILOT] [ROD] ( ,PBa) 2 ( , d ) 25 [ARM OUT] ( ,VB) 3 Dr MA 4 4 ( ,e) 25 [ARM IN] ( ,PCtl) 2 [RH-BW] 21 REG REG VB(FW) VA(BW) 12 ( ,Atr) 2 ( ,Btr) 2 ( ,Ctl) 2 ( ,Dtl) 2 ( ,A3) 21 [TRAVEL] (3) (4) (1) (2) ( ,PAtr) 2 ( ,PDtl) 2 [RH-FW] A1 A2 P T FC1 FC2 ( ,P) 34 ( ,P01) 2 ( ,Psv) 1 ( ,A3) 1 C A D B Dr P ( ,A1) 21 26 P T ( ,PBtr) 2 [LH-BW] ( ,P) 7 ( ,P) 6 ( ,P) 5 ( ,PG) 3 R/H L/H Ps Ps MA MB 26 5 26 6 7 [LH-FW] P4 P3 P2 P1 VA(FW) VB(BW) a b d e f g h j d1 h2 24 24 PS ( ,PBb1) 2 [BOOM DOWN] [SWING] [ARM] [BUCKET] [BOOM] P T P T (1) (3) (2) (4) (3) (1) (2) (4) A B E D H J F G c h1 PS PS ( ,PAb1) 2 [BOOM UP] A1 A2 A3 MB ( ,A1) 21 ( ,A1) 21 ( ,PBk) 2 [BUCKET OUT] [BUCKET IN] ( ,P03) 2 ( ,P) 12 ( ,Pu) 2 1.
HYDRAULIC CIRCUIT (1/2) ( ,e1) 25 PG ( ,RS) 2 24 ( ,PCa) [ARM IN] ( ,PAk) 2 SH MB MA MU (CW)VB VA(CCW) ( ,Cs) 2 ( ,Ds) 2 e1 e2 PS 24 2 ( ,PDa) 2 [ARM OUT] R/G ( ,SH) 3 PS ( ,PDs) 2 [SWING CW] A5 AU 3 DR ( ,PCs) 2 [SWING CCW] ( ,PCsp) 2 PS [SWING PRIORITY] 21 T 25 BC2 Cco CoR DoR OPTION LCo CaR DaR CRa ARM LCa NRV1 BkR AkR BUCKET LCk1 LCk2 BbkR ARM2 LCa2 ( ,PDa) 2 PAa2(ARM OUT) DR6 Ccb BOOM2 SWING P/R LCar ARM REGEN LCbk BbR AbR CRb SWING LCs (RIGHT) TRAVEL BOOM P LCb BtR AtR (LEFT) TRAVEL TS MRV 15 18 19 E Dr