Kaiyi LF13 — инструкция

HS120V CHAPTER 4 K\GUDXOLF#V\VWHP + 1. SPECIFICATIONS ................................... 4-3 2.5.2 Hydraulic hose - Shift P (LF13-0110B) ................................... 4-34 2. HYDRAULIC SYSTEM OVERVIEW ....... 4-5 2.5.3 Hydraulic hose - Parking P (LF13-0102B) ................................... 4-35 2.1 Hydraulic system layout .............................. 4-5 2.5.4 Hydraulic hose -HST B(RH) (LF13-0701A) ................................... 4-36 2.2 Circuit diagram for hydraulic system ...........

4-9 2.3 Connecting lines by hydraulic system groups .......................................................4-11 2.5.5 Hydraulic hose - HST A(RH) (LF13-0703A) ................................... 4-37 2.3.1 HST group ........................................4-11 2.3.2 Oil tank group ..................................4-17 2.5.6 Hydraulic hose - HST B(LH) (LF13-0702A) ................................... 4-38 2.3.3 Suction line group ............................4-17 2.5.7 Hydraulic hose - HST A(LH) (LF13-0700A) ...................................

4-39 2.3.4 Hydraulic pump group ......................4-18 2.3.5 Oil cooler group ...............................4-19 2.3.6 Tilt cylinder group ........................... 4-20 2.5.8 Hydraulic hose - Shift motor(RH) (LF13-0396B) ...................................4-40 2.3.7 Lift cylinder group ........................... 4-21 2.5.9 Hydraulic hose - Shift motor(LH) (LF13-0397B) ................................... 4-41 +LJKARZJURXS ............................... 4-22 2.3.9 Quick attachment cylinder group .... 4-23 2.5.10 Hydraulic hose - Parking(RH) (LF13-0088B) ................................. 4-42 2.3.10 External hydraulic group ...............

4-24 2.4 Connecting lines for hydraulic valves ....... 4-25 2.5.11 Hydraulic hose - Parking(LH) (LF13-0087B) .................................4-43 2.4.1 Pilot lock valve (LF13-0094) ............ 4-25 2.4.2 Soft shift valve (LF13-0259) ............ 4-26 2.5.12 Hydraulic hose - Motor(LH) T (LF13-0201C) .................................4-44 2.4.3 Parking valve (LF13-0090) ............. 4-27 2.5.13 Hydraulic hose - Motor(RH) T (LF13-0203C) .................................4-45 2.4.4 Self level valve (LF13-0218) ............ 4-28 2.4.5 Quick attachment valve (LF13-0307) ... 4-29 2.4.6 Main control valve (LF13-0028) ......

4-30 2.5.14 Hydraulic hose - HST T (LF13-0204C) .................................4-46 2.4.7 RCV assembly (RH) (LF13-0056) ... 4-31 2.5.15 Hydraulic hose - Shift T (LF13-0199C) ................................. 4-47 2.5 Hose connecting lines for a driving system and circulation system ............................. 4-33 2.4.8 RCV assembly (LH) (LF13-0055) ... 4-32 2.5.16 Hydraulic hose - Parking T (LF13-0089C) .................................4-48 2.5.1 Hydraulic hose - Charge (LF13-0323C) ................................... 4-33 TABLE OF CONTENTS

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3. MAIN COMPONENTS ..........................4-49 6. TROUBLESHOOTING .........................4-111 3.1 HST pump (Driving pump) ........................4-49 *HDUSXPS0DLQ&KDUJH+LJKARZ pump) ...................................................... 4-51 7. EXPLODED VIEW ...............................4-112 7.1 LF1-G211004 Oil tank sub group..............4-112 3.3 HST motor (Driving moter) ........................4-54 7.2 LF1-G213002 Hydraulic pump group .......4-113 7.3 LF1-G214002 Oil cooler group .................4-114 3.4 Main control valve (MCV) ........................ 4-59 3.5 Pilot lock valve .........................................

4-61 7.4 LF1-G221003 Main control valve group ...4-115 3.6 Self level valve .........................................4-62 7.5 LF1-G221504 Joystick group ...................4-116 +LJKARZYDOYH .........................................4-64 7.6 LF1-G222005 Auxiliary hydraulic group...4-117 7.7 LF1-G223003 Lift cylinder group .............4-118 3.8 Soft shift valve .........................................4-66 3.9 Parking valve ...........................................4-67 7.8 LF1-G224502 Tilt cylinder group .............4-119 3.10 Ride control valve ....................................4-68 7.9 LF1-G225505 External hydraulic group ...4-120 7.10 LF1-G226002 Drain vavle group ............4-121 3.11 Quick attachment valve ...........................4-69 3.12 RCV assembly (LH) .................................

4-70 7.11 LF1-G231004 HST group .......................4-122 3.13 RCV assembly (RH) ................................ 4-72 8. HYDRAULIC SYSTEM MAINTENANCE ...4-123 3.14 Hydraulic cylinder .....................................4-74 8.1 Main pump detach ....................................4-123 3.14.1 Lift cylinder ....................................4-74 3.14.2 Tilt cylinder .................................... 4-75 8.2 HST pump detach ....................................4-124 3.14.3 Quick attachment cylinder ............. 4-76 8.3 Main pump, charge pump, KLJKARZSXPSGLVDVVHPEO\ ...................4-128 +\GUDXOLFїOWHU ..........................................

4-77 8.4 HST motor disassembly ...........................4-133 +67їOWHU ....................................... 4-79 5HWXUQїOWHU .................................... 4-77 8.6 Self level valve detach & Disassembly ....4-145 8.5 Main control valve detach & Disassembly ...4-135 3.15.3 Oil strainer ..................................... 4-81 8.7 Pilot lock valve detach & Disassembly ....4-150 3.16 Quick coupler (External hydraulic) ..........4-83 8.8 Soft shift valve detach & Disassembly ....4-153 4.

OPERATING PRINCIPLE .....................4-86 3.17 Oil cooler .................................................4-85 8.9 Parking valve detach & Disassembly ......4-156 8.10 +LJKARZYDOYHGHWDFK 'LVDVVHPEO\ ...4-159 4.1 HST motor ................................................. 4-87 8.11 Ride control valve detach & Disassembly ... 4-163 4.2 Self level valve ..........................................4-90 8.12 Quick attachment valve detach & Disassembly .......................................... 4-166 4.3 RCV (R/H) .................................................4-94 +67їOWHUUHSODFHPHQW .......................... 4-169 4.3.1 Boom operation (Up) .......................

4-95 %RRPRSHUDWLRQ'RZQ ..................4-96 5HWXUQїOWHUUHSODFHPHQW ........................4-171 4.3.3 Self leveling ..................................... 4-97 8.15 Lift cylinder disassembly ........................4-172 8.16 TILT cylinder disassembly ......................4-175 4.3.4 Ride control .....................................4-98 4.3.5 Bucket operation (Roll back) ...........4-99 8.17 Quick attachment cylinder disassembly ...4-177 4.3.6 Bucket operation (Dump) .............. 4-100 8.18 RCV assembly & Oil tank disassembly ...4-178 4.3.7 Quick attachment ..........................4-101 4.3.8 External implement ........................4-102 5. CHECK & ADJUSTMENT ...................

4-105 0DLQSXPSARZUDWH ............................... 4-106 5.1 Main control valve (MCV) system pressure ... 4-105 5.3 Charging pump pressure .........................4-107 5.4 HST (Driving) pump pressure ................. 4-108 +67'ULYLQJSXPSARZUDWH .................. 4-109 5.6 Relief pressure setting ............................4-110 TABLE OF CONTENTS

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HS120V HYDRAULIC SYSTEM - SPECIFICATIONS 1. SPECIFICATIONS G5:9HM:=FGH 8F=J=B;7 756=B 9B;=B9 9@97HF=7GMGH9A =B89L 4 -3 GMW-0035 ITEM SPECIFICATIONS Hydraulic oil • Hydraulic oil capacity : 38ه (10.0 u.s.gal.) • Chain box capacity (LH / RH) : 13ه (3.4 u.s gal.) • Used oil : ISO VG46 Loader pressure Standard • Loader pressure : 230 bar (3,335 psi) • /RDGHUÀRZ  OSP  JSP +LJKÀRZ>HS120V/4)@ • Loader pressure : 150 bar (2,176 psi) • /RDGHUÀRZ OSP JSP 2-Speed track motor >HS120V/46/8 /4)@ • Capacity : Lo 31.5 cm³ Hi 20.6 cm³ • Max. system pressure : 34.3 MPa • Max. speed (At Min. capacity) : 4,170 rpm • Brake pressure :

1.5 (Min) ~ 4.9 (Max) MPa Pilot lock valve • 0D[ÀRZ OSP • Max. pressure : 40 bar • Accumulator capacity : 0.32ه • Free charge pressure : 11 bar Self level valve • 0D[ÀRZ $SRUW %RRPGRZQ  OSP B-port (Boom up) 41 lpm • Max. pressure : 250 bar +LJKÀRZYDOYH • 0D[ÀRZ OSP • Max. pressure : 250 bar Soft shift valve • 0D[ÀRZ OSP • Max. pressure : 210 bar Parking valve • 0D[ÀRZ OSPRUPRUH • Max. pressure : 280 bar or more Ride control valve • 0D[ÀRZ aOSP • Max. operating pressure : 350 bar or more Main control valve (MCV) • 5DWHGÀRZ OSP • Max. pressure : 250 bar • Max. back pressure : 25 bar Cylinder Quick attachment cylinder (mm) • Size :

Ø30 × Ø60 × 209 Tilt cylinder (mm) • Size : Ø40 × Ø75 × 364 Lift cylinder (mm) • Size : Ø45 × Ø65 × 992

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HYDRAULIC SYSTEM - SPECIFICATIONS HS120V G5:9HM:=FGH 8F=J=B;7 756=B 9B;=B9 9@97HF=7GMGH9A =B89L 4 -4 GMW-0035 ITEM SPECIFICATIONS Filter 5HWXUQ¿OWHU • Fineness : 10 ࣆ • Filtering dimension : 4,410 cm² • )ORZ OSP • Bypass valve setting pressure : 1.7 bar • Operating pressure : 12 bar +67¿OWHU • Fineness : 10 ࣆ • Filtering dimension : 415 cm² • )ORZ OSP • Bypass valve setting pressure : 6 bar • Operating pressure : 310 bar HST motor (LH, RH) • Brake pressure (At 2,200 N.m) : 11 ~ 15 bar • Maximum pressure applied to brake port (Z): 40 bar Quick attachment valve • 0D[ÀRZ OSPRUPRUH • Max. operating pressure : 280 bar or more Main pump • Capacity :

34.555 cm³/rev • Continuous pressure : 280 bar • Peak pressure : 320 bar • Rotation speed : 500 ~ 3,000 rpm Charge pump • Capacity : 19.091 cm³/rev • Continuous pressure : 200 bar • Peak pressure : 240 bar • Rotation speed : 500 ~ 3,000 rpm +LJKÀRZSXPS • Capacity : 19.091 cm³/rev • Continuous pressure : 200 bar • Peak pressure : 240 bar • Rotation speed : 500 ~ 3,000 rpm HST pump • ,QSXWSRZHU N: $WUSP • Rated rpm : 2,400 rpm • 0D[ÀRZ [OSP &DSDFLW\ FP3/rot) • Boost pressure : 23 bar • High-pressure valve pressure : 368 bar Quick coupler (External hydraulic) Male Drain Female • Size : 12.5 mm • Max. Operating pressure :

35 MPa • 5DWHGÀRZ OSP RCV assembly (LH, RH) • Min. initial pressure : 30 bar • Max. initial pressure : 100 bar • 0LQUDWHGÀRZ OSP • 0D[UDWHGÀRZ OSP

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