Sakai SV201-1 Shop Manual Download Page 70

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4-012

HYDRAULIC SYSTEMS

2-2-4. Valve

SV201-1-04004

Hydraulic circuit diagram

(1)

Port A

[VA1]

: G3/4

(9)

O-ring

(2)

Port B

[VB1]

: G3/4

(10)

O-ring

(3) Body

(11)

O-ring

(4) Spool

(12) Sub spool

(5) Spool plug

(13)

Port P

[VP1]

: G1

(6)

Cover

(14) Bolt

: M12×40

(7) Bolt

(15) Bolt

: M 5×20

(8) Spring

Specifications

Standard flow

•

: 100 L/min (

26 gal./min )

Rated pressure

•

: 30

MPa

( 4,350 psi

)

Flow division ratio (A : B)

•

: 1 : 1.47

SV201D

-1

: 1 : 1.57

SV201T

-1,

-1

Weight

•

: 11 kg

(

24 lbs.

)

Summary of Contents for SV201-1

Page 1: ...SV201 1 SHOP MANUAL 3498 64064 0...

Page 2: ......

Page 3: ...e machine Improper operation is dangerous and can result in injury or death Sakai Heavy Industries cannot foresee all possible circumstances or varying conditions to which the operator serviceman or m...

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Page 5: ...ing 1 004 1 8 Operating 1 004 1 9 Stopping 1 004 1 10 Maintenance 1 005 1 11 Transporting the Machine 1 007 2 SPECIFICATIONS 1 SPECIFICATION DATA 1 1 SV201D 1 2 001 1 2 SV201T 1 2 003 1 3 SV201TF 1 2...

Page 6: ...draulic Piping 4 006 2 1 1 Propulsion hydraulic piping Front 4 006 2 1 2 Propulsion hydraulic piping Rear 4 007 2 2 Hydraulic Component Specifications 4 008 2 2 1 Hydraulic pump assembly propulsion vi...

Page 7: ...4 3 2 Combination Meter 5 005 6 VIBRATORY DRUM REAR AXLE 1 PRECAUTIONS FOR DISASSEMBLY AND REASSEMBLY 6 001 2 VIBRATORY DRUM 2 1 Removal and Installation of Vibratory Drum 6 003 2 1 1 Removal of vibra...

Page 8: ...spection 8 003 3 MEASUREMENT AND ADJUSTMENT OF PROPULSION CHARGE CIRCUIT PRESSURE 3 1 Measurement 8 004 3 2 Adjustment 8 005 4 MEASUREMENT OF PARKING BRAKE RELEASE PRESSURE 4 1 Measurement 8 006 5 MEA...

Page 9: ...ctrical system 9 009 2 2 Engine 9 012 2 2 1 Engine will not start Starter motor does not run 1 3 9 012 2 2 1 Engine will not start Starter motor does not run 2 3 9 014 2 2 1 Engine will not start Star...

Page 10: ...049 3 2 Propulsion System 9 050 3 2 1 Machine moves neither forward nor backward 1 2 9 050 3 2 1 Machine moves neither forward nor backward 2 2 9 051 3 2 2 Machine moves in one direction only forward...

Page 11: ...e up down operation not possible 9 059 3 5 2 Blade movement is slow or force is small 9 059 3 5 3 Blade floating operation not possible 9 060 3 5 4 Blade hydraulic system is overheating 9 060 3 5 5 Ab...

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Page 13: ...SAFETY...

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Page 15: ...achine if you fail to observe or important point to maintain of quality in maintenance works Indicates standard value to judge whether measured value is good or not Items that indicate the weight of a...

Page 16: ...guidance of a skilled electrician and according to electrical engineering rules and regulations Work on the frame brakes hydraulic and steering systems must be performed by skilled personnel with spec...

Page 17: ...eadable Never fill the fuel tank with the engine running or while near an open flame or while smoking Always clean up any spilled fuel Check for any warning tags placed on the machine do not operate t...

Page 18: ...nging banks or on grades that could cause the compactor to slide or roll over Avoid any areas that may be a risk to machine stability Avoid side hill travel Always operate up and down the slope Always...

Page 19: ...t until the machine has cooled down Use care when attaching and securing lifting tackle to individual parts and large assemblies being removed or repositioned for repair purposes to avoid the risk of...

Page 20: ...or perform grinding on the machine unless expressly authorized as there may be a risk of fire or explosion Disconnect the battery when welding on the machine Clean the machine and its surrounding fro...

Page 21: ...dth Block the drums or tires front and rear of the hauling vehicle when loading and unloading the compactor Ensure that the haul vehicle is on level ground and approach the loading ramps squarely to m...

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Page 23: ...SPECIFICATIONS...

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Page 26: ...1 530 mm 60 in Overall height Steering wheel 1 785 mm 70 in ROPS 2 600 mm 102 in Wheelbase 2 330 mm 92 in Compaction width 1 370 mm 54 in Minimum height above ground 290 mm 11 0 in Curb clearance 300...

Page 27: ...Exhaling type Electrical system Alternator 12 V 80 A Starter 12 V 3 0 kW Battery 12 V 80 Ah 1 pcs 12 V Engine dry weight 268 kg 591 lbs Power line Transmission Hydrostatic transmission Stepless Rever...

Page 28: ...60 in Overall height Steering wheel 1 800 mm 71 in ROPS 2 600 mm 102 in Wheelbase 2 330 mm 92 in Compaction width 1 370 mm 54 in Minimum height above ground 300 mm 11 5 in Curb clearance 315 mm 12 0 i...

Page 29: ...rnator 12 V 80 A Starter 12 V 3 0 kW Battery 12 V 80 Ah 1 pcs 12 V Engine dry weight 268 kg 591 lbs Power line Transmission Hydrostatic transmission Stepless Reverser Switching the direction of flow d...

Page 30: ...60 in Overall height Steering wheel 1 815 mm 71 in ROPS 2 600 mm 102 in Wheelbase 2 330 mm 92 in Compaction width 1 370 mm 54 in Minimum height above ground 310 mm 12 0 in Curb clearance 330 mm 12 5...

Page 31: ...2 V 3 0 kW Battery 12 V 80 Ah 1 pcs 12 V Engine dry weight 268 kg 591 lbs Power line Transmission Hydrostatic transmission Stepless Reverser Switching the direction of flow delivered from the variable...

Page 32: ...580 mm 62 in Overall height Steering wheel 1 800 mm 71 in ROPS 2 600 mm 102 in Wheelbase 2 330 mm 92 in Compaction width 1 370 mm 54 in Minimum height above ground 300 mm 11 5 in Curb clearance 315 mm...

Page 33: ...rnator 12 V 80 A Starter 12 V 3 0 kW Battery 12 V 80 Ah 1 pcs 12 V Engine dry weight 268 kg 591 lbs Power line Transmission Hydrostatic transmission Stepless Reverser Switching the direction of flow d...

Page 34: ...ction pressure 1st stage 18 64 to 19 61 MPa 2 703 to 2 843 psi 2nd stage 22 56 to 23 53 MPa 3 271 to 3 412 psi 2 2 Propulsion Item Standard value Remarks Travel speed Forward reverse 0 to 7 4 0 0 2 km...

Page 35: ...dimensions N o t e 1 N o t e 2 SV700 02001 Clearance between brake pedal and floorboard when pressed down 143 mm 5 6 in Note 2 See dimensions Brake disc wear limit 4 5 mm 0 18 in S SV700 02003 S 2 6...

Page 36: ...10 ISO 3448 Grease Lithium type extreme pressure NLGI 2 Fuel Diesel oil ASTM D975 2D 3 2 Recommended Lubricants Lubricant Oil company Engine oil API CC Gear oil API GL 4 Hydraulic oil VG 46 Grease NLG...

Page 37: ...3 253 20 2 5 294 217 392 289 539 398 539 398 22 2 5 441 325 539 398 686 506 686 506 24 3 0 539 398 637 470 883 651 883 651 27 3 0 785 579 981 724 1324 977 1324 977 30 3 5 1079 796 1324 977 1765 1302 1...

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Page 39: ...ENGINE AND CONTROLS...

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Page 42: ...M12 P 1 25 11 Plate 2 Bracket 7 Damper 12 Damper 3 Engine 8 Nut M12 P 1 25 13 Nut M16 4 Bracket 9 Bolt M14 35 P 1 25 14 Bolt M12 35 P 1 25 5 Bracket 10 Bolt M16 150 N m 6 Nut M12 P 1 25 78 N m 58 lbf...

Page 43: ...1 Injection pump 8 Engine oil filter 15 Oil filler cap 2 Engine stop solenoid 9 Oil pressure switch 16 Speed control lever 3 EGR valve 10 Oil drain plug 17 Fuel filter 4 Cooling fan 11 Oil level gauge...

Page 44: ...B DETAIL A IDLE FULL C B B A 1 2 3 6 4 5 7 8 9 10 11 12 1 Throttle lever 7 Washer Apply grease 2 Control cable 8 Shaft 3 Lock nut M10 9 Rod end Apply grease 4 Stopper bolt FULL M10 35 10 Bush Apply g...

Page 45: ...A B N R 7 8 9 10 11 12 1 Rod end 11 F R lever switch 2 Bracket 12 Backup buzzer switch 3 Shaft 13 Bolt M16 30 4 F R lever 14 Nut M16 5 Control cable 15 Spring 6 Clevis 16 Steel ball 7 Stopper bolt Fo...

Page 46: ...pulsion pump 9 Bolt M10 25 P 1 25 3 Bolt M12 45 10 Sunk key 4 O ring 11 Washer 5 Steering vibrator pump 12 Nut 3 4 16UNF 6 Bolt 3 8 30UNC 13 Hub 7 Spacer 14 Flange N m 1 Bolt M10 25 P 1 25 69 N m 51 l...

Page 47: ...1 N m 1 Bolt M10 25 P 1 25 69 N m 51 lbf ft Secure housing 8 to engine flywheel with twelve bolts 9 N m 9 Bolt M10 25 P 1 25 69 N m 51 lbf ft Apply grease to hub 13 and flange 14 splines Set spacer 7...

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Page 49: ...HYDRAULIC SYSTEMS...

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Page 52: ...eservoir vented Filter or strainer Heat exchanger lines in dicate flow of coolant Quick disconnect Connected with mechan ically opened checks Disconnected Sloping arrow through a symbol at 45 indicate...

Page 53: ...s providing various flow path options for the fluid The multiple square moves to represent how flow paths change when the valving element is shifted within the compo nent Valves with infinite posi tio...

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Page 55: ...35 380 ST 1 4 1 4 3 8 3 4 i 24 362 1 1 4 150mesh 12 5 cc rev 18 3 cc rev 3 8 3 8 PB 28 MPa 28 MPa 1 3 4 6 15 6 cc rev 51 0 cc rev Vibrator motor Valve CS CO Oil cooler PG PD PS 2 4 MPa LO LS Hydrauli...

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Page 57: ...4 1 4 3 8 3 4 i 24 362 1 1 4 150mesh 12 5 cc rev 18 3 cc rev 3 8 3 8 PB 28 MPa 28 MPa 1 3 4 6 15 6 cc rev 51 0 cc rev Vibrator motor Valve CS CO Oil cooler PG PD PS 2 4 MPa LO LS Hydraulic oil filter...

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Page 59: ...pm 1 2 1 2 23 3 cc rev 3 4 1 4 1 4 3 8 3 4 i 24 362 1 1 4 150mesh 12 5 cc rev 18 3 cc rev 3 8 3 8 28 MPa 28 MPa 1 2 4 MPa 3 4 6 15 6 cc rev 51 0 cc rev Valve VB3 VA3 MP2 BU BD SB SA ST SP MP1 MD Vibra...

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Page 61: ...tor Rear Propulsion motor Front FD X1 CX1 FB FA FC The letters and figures such as FA and FB show each port and the arrow symbols show the hose connection and the direction of the flow of the oil 2 PR...

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Page 63: ...CA1 RA1 Hose VA1 CB Hose Hydraulic oil tank LS Hose PB VP1 Hose PB VP1 Hose VP1 BV1 Hose RA2 BV2 Hose RA2 BV2 Hose PA CA2 Hose PA CA2 Hose PD T3 Hose PD T3 Hose RD T5 Hose PD T3 T3 CA1 CA CA2 T5 T1 H...

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Page 66: ...ly propulsion vibrator steering SV201 1 04001 Propulsion pump circuit diagram VIEW A A 1 2 1 2 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 2 2 2 3 1 9 1 3 1 7 1 8 1 5 1 6 1 1 1 2 1 11...

Page 67: ...ve For port A 1 13 Charge relief valve 1 14 Drain port 1 5 16 12UN Specifications Displacement 51 cm3 rev 3 1 cu in rev Displacement Charge pump 15 6 cm3 rev 1 0 cu in rev High pressure relief valve p...

Page 68: ...r Drain port a Rc 3 8 5 High pressure gauge port For port B 7 16 20UNF 11 Filler Drain port b Rc 3 8 6 Drain port FD G3 4 12 Filler Drain port c Rc 3 8 Motor specifications Displacement Lo 51 cm3 rev...

Page 69: ...6 18UNF 7 Port B RB 1 1 16 12UN 3 Drain port RD 3 4 16UNF 8 Drain port 3 4 16UNF 4 2 speed control port Min X1 9 16 18UNF 9 Port A RA 1 1 16 12UN 5 System pressure port 1 1 16 12UN Motor specification...

Page 70: ...G3 4 9 O ring 2 Port B VB1 G3 4 10 O ring 3 Body 11 O ring 4 Spool 12 Sub spool 5 Spool plug 13 Port P VP1 G1 6 Cover 14 Bolt M12 40 7 Bolt 15 Bolt M 5 20 8 Spring Specifications Standard flow 100 L m...

Page 71: ...CO T2 Oil cooler CO CS VB3 VA3 VT4 VT5 VT3 MP1 MD VA VS MP2 Hose VT4 CS Hose VA3 CP2 Hose CP1 VT5 Vibrator motor Hose Hydraulic oil tank VS The letters and figures such as MD and CD2 show each port a...

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Page 73: ...3 1 2 Clockwise rotation 2 1 Counterclockwise rotation Hydraulic circuit diagram Flow of oil 1 Port P2 MP2 G1 2 2 Port P1 MP1 G1 2 3 Drain port MD G1 2 Specifications Displacement 23 3 cm3 rev 1 42 c...

Page 74: ...lic circuit diagram 1 Port B VB3 G3 4 4 Port A VA3 G3 4 2 Solenoid valve 5 Port T VT3 G3 4 3 Body 6 Port P G3 4 Specifications Maximum flow 70 L min 18 gal min Maximum working pressure 20 6 MPa 2 987...

Page 75: ...Hose L SL Hose L SL Hose R SR T4 Hose R SR Steering cylinder R L T P The letters and figures such as R and SR show each port and the arrow symbols show the hose connection and the direction of the fl...

Page 76: ......

Page 77: ...CTION A A Hose Hose VB P Hose L SL Hose R SR Hose VB P SECTION C C The letters and figures such as R and SR show each port and the arrow symbols show the hose connection and the direction of the flow...

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Page 79: ...VIEW A A 0404 32804 021754 1 Column shaft 6 Bolt M10 30 2 Nut M12 P 1 25 7 Bracket 3 Steering wheel 8 Bolt M 8 12 4 Nut M10 9 Orbitrol 5 Damper N m 2 Nut M12 P 1 25 35 N m 26 lbf ft 4 Nut M10 49 N m...

Page 80: ...V201D 1 T 1 TF 1 SW800 04018 Hydraulic circuit diagram 1 2 3 4 1 2 3 4 5 1 Port L L G3 8 4 Port T T G3 8 2 Port R R G3 8 5 Relief valve 3 Port P P G3 8 Specifications Displacement 184 cm3 rev 11 2 cu...

Page 81: ...2 3 5 4 6 4 5 6 1 Hydraulic circuit diagram 1 Relief valve 4 Port P P G1 2 2 Port L L G3 8 5 Port EF EF G1 2 3 Port R R G3 8 6 Port T T G3 8 Specifications Displacement 184 cm3 rev 11 2 cu in rev Reli...

Page 82: ...01 0 10011 0 1 2 3 4 5 6 7 8 9 1 Bolt M16 60 4 Swing bearing 7 Bracket upper 2 Bolt M16 60 5 Yoke 8 Cover 3 Bolt M20 70 6 Ball bearing 9 Bracket lower N m 1 Bolt M16 60 265 N m 195 lbf ft 2 Bolt M16 6...

Page 83: ...B AD2 Hose SA AD1 Hose SA AD1 Hose SA AD1 AD1 Hose EF SP EF Orbitrol Hydraulic tank T4 VIEW A Down Floating Neutral Up C C B B SECTION B B SECTION C C The letters and figures such as AD2 and SB show e...

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Page 85: ...raulic circuit diagram 1 Relief valve 4 Pressure gauge port Rc 1 4 2 Port T ST G3 4 5 Port B SB G1 2 3 Port P SP G3 4 6 Port A SA G1 2 Specifications Rated flow 70 L min 18 gal min Maximum working pre...

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Page 87: ...ELECTRICAL SYSTEM...

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Page 89: ...Y 31 Br 18 RG VIBRATOR LAMP RELAY B B B 6 2 HORN RELAY 33 Lg 11 Br 9 YR 10 YB 18 RG 18 RG 10 YB 9 YR 30 RY 37 2BrW 12 2 GB 34 LgW 26 Lg 32 BY 28 1 25LgW 15 2RB 25 2BW 4 4 5BY 26 2Lg 26 2Lg 27 Y 24 LW...

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Page 91: ...draulic oil filter switch Parking brake solenoid Battery Vibrator solenoid Thermo unit Glow plug Fuel pump Backup buzzer Fuel unit Battery relay F R lever switch F R lever vibration switch Backup buzz...

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Page 93: ...relay Parking interlock relay Glow relay Combination meter Vibration mode select switch Horn switch Parking brake switch Starter switch Horn relay Interlock relay Vibrator lamp relay Fuse box Glow lam...

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Page 95: ...witch Glow lamp timer Starter relay Battery relay Backup buzzer switch Foot brake switch Vibration mode select switch Vibrator solenoid Vibrator lamp relay Horn relay F R lever switch Combination mete...

Page 96: ...3 REV ratio SEL 4 Side marker lamp Combination meter ilumination Preheating Side marker lamp indicator Engine oil pressure warning indicator Charge warning indicator Hydraulic oil filter warning indic...

Page 97: ...VIBRATORY DRUM REAR AXLE...

Page 98: ......

Page 99: ...her substances from getting in Before removing piping for hydraulic oil or coolant or removing related parts satisfactorily release internal pressure 2 Precautions for installation work Tighten bolts...

Page 100: ...life coolant to the specified level Start the engine and allow the coolant to circulate through the piping Then add coolant again to the specified level If hydraulic equipment has been removed and re...

Page 101: ...rear wheel tires to leave the ground The tires must support the machine s body weight too Rear axle weight SV201D 1 2 200 kg 4 850 lbs SV201T 1 2 200 kg 4 850 lbs SV201TF 1 2 200 kg 4 850 lbs SV201TB...

Page 102: ...in this condition can cause burns Wait for the hydraulic oil to cool down before starting the work 5 Disconnecting piping 5 1 Propulsion motor piping Disconnect hydraulic hoses 5 6 7 and 8 connecting...

Page 103: ...1 1 415 kg 3 120 lbs SV201T 1 1 550 kg 3 417 lbs SV201TF 1 2 265 kg 4 993 lbs SV201TB 1 1 550 kg 3 417 lbs 7 Put chocks or the like under removed vibratory drum 12 to prevent it from moving SV201 1 06...

Page 104: ...member 2 Upon installing vibratory drum pay particular attention to items mentioned below Fill hydraulic oil tank to specified level to make up for any oil leakage Start engine and circulate oil thro...

Page 105: ...O ring 8 Holder 9 Vibrator bearing 10 Eccentric shaft 11 Vibrator bearing 12 Axle shaft 13 O ring 14 Bolt M16 50 15 Oil seal 16 Roller bearing 17 Shim 18 O ring 19 Axle 20 Bolt M12 25 21 Bolt M12 70...

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Page 107: ...When standing the vibratory drum use wooden blocks of sufficient strength to securely support the vibratory drum Carry out the work in an unstrained posture using a work stool or the like 2 Stand vibr...

Page 108: ...AR AXLE 4 Remove bolts 27 Remove vibrator motor 28 Vibrator motor 15 kg 33 lbs 5 Remove sleeve 33 6 Remove bolts 32 SV201 1 06011 27 28 SV201 1 06011 27 28 SV201 1 06012 33 SV201 1 06012 33 SV201 1 06...

Page 109: ...shim 17 9 Put a piece of wooden board on end of axle shaft 12 Set a puller on axle 19 Remove axle SUBASSY with roller bearing from axle shaft SUBASSY SV201 1 06014 Pulling bolt 26 SV201 1 06014 Pulli...

Page 110: ...hreads fully before using 10 Install lifting bolts M12 to axle 19 11 Remove axle SUBASSY Axle SUBASSY 60 kg 132 lbs 12 Remove bolts 14 SV201 1 06017 Lifting bolt 19 SV201 1 06017 Lifting bolt 19 SV201...

Page 111: ...ic shaft together with axle shaft SUBASSY tap on the eccentric shaft end with a wooden hammer via a wooden bar during lifting Axle shaft SUBASSY 45 kg 99 lbs SV201 1 06020 Pulling bolt 12 SV201 1 0602...

Page 112: ...olves risk Confirm that the surrounding area is safe and work in a natural unstrained posture 18 Reverse drum SUBASSY Drum SUBASSY SV201D 1 1 210 kg 2 668 lbs SV201T 1 1 340 kg 2 954 lbs SV201TF 1 2 0...

Page 113: ...ers 44 20 Install lifting bolts M12 to disc 39 21 Lift disc SUBASSY Remove bolts 41 and nuts 42 SV201 1 06026 47 44 SV201 1 06026 47 44 SV201 1 06027 Lifting bolt 39 SV201 1 06027 Lifting bolt 39 SV20...

Page 114: ...ASSY 40 kg 88 lbs 23 Install lifting bolts M16 and nuts to propulsion motor 43 24 Remove bolts 40 SV201 1 06029 Disc SUBASSY SV201 1 06029 Disc SUBASSY SV201 1 06030 Lifting bolt Nut Nut 43 SV201 1 06...

Page 115: ...s 26 Install lifting bolts M16 to holder 8 Remove bolts 6 27 Lift holder 8 using two pulling bolts M16 50 SV201 1 06032 Propulsion motor SUBASSY SV201 1 06032 Propulsion motor SUBASSY SV201 1 06033 Li...

Page 116: ...Holder SUBASSY 65 kg 143 lbs 29 Remove bolts 5 30 Remove vibrator bearing 9 from holder 8 using long bolts M8 SV201 1 06035 Holder SUBASSY SV201 1 06035 Holder SUBASSY SV201 1 06037 5 SV201 1 06037 5...

Page 117: ...rum at holes on extended line from round pipe Drum SUBASSY SV201D 1 970 kg 2 138 lbs SV201T 1 1 105 kg 2 436 lbs SV201TF 1 1 825 kg 4 023 lbs SV201TB 1 1 105 kg 2 436 lbs 2 Reassembly of holder SUBASS...

Page 118: ...to plugs 4 Install plugs 4 to holder SUBASSY WARNING When installing lifting bolts screw in the threads fully before using 3 Install lifting bolts M16 to holder SUBASSY SV201 1 06041 36 5 Holder SUBA...

Page 119: ...um 1 Holder SUBASSY 65 kg 143 lbs NOTICE Take care not to let O ring to protrude from its groove during installation 6 Position holder SUBASSY as shown right SV201 1 06044 Holder SUBASSY 7 SV201 1 060...

Page 120: ...o mounting surface of propulsion motor 43 NOTICE Align holes with filler drain port a as shown SV201 1 06046 Holder SUBASSY 6 SV201 1 06046 Holder SUBASSY 6 SV201 1 06091 Filler Drain port a Filler Dr...

Page 121: ...SUBASSY 105 kg 231 lbs Install lifting bolts M16 and nuts M16 to propulsion motor SUBASSY 10 Lift propulsion motor SUBASSY SV201 1 06048 2 3 43 SV201 1 06048 2 3 43 SV201 1 06049 Propulsion motor SUB...

Page 122: ...40 and washers N m 40 Bolt M16 50 265 N m 195 lbf ft 13 Secure two pipes 38 to disc 39 with two bolts 37 and washers Install lifting bolts M12 to disc 39 SV201 1 06051 Propulsion motor SUBASSY 8 4 Ali...

Page 123: ...unting surface of propulsion motor 43 Disc SUBASSY 40 kg 88 lbs 16 Position disc SUBASSY as shown right SV201 1 06054 Disc SUBASSY SV201 1 06054 Disc SUBASSY SV201 1 06055 Disc SUBASSY 43 SV201 1 0605...

Page 124: ...80 lbf ft WARNING Be careful because reversing the drum involves risk Confirm that the surrounding area is safe and work in a natural unstrained posture 19 Reverse drum SUBASSY Drum SUBASSY SV201D 1 1...

Page 125: ...eccentric shaft 10 Lower eccentric shaft 10 10 Eccentric shaft 70 kg 154 lbs 22 Insert eccentric shaft 10 into vibrator bearing 9 while taking care not to tilt vibrator bearing inner race SV201 1 0605...

Page 126: ...r race by using a ring heater or the like Apply a coat of gear oil to axle shaft 12 at where bearing inner race will be press fitted Drive in heated roller bearing 16 inner race 25 Apply grease to O r...

Page 127: ...tilting of the vibrator bearing inner race during installation NOTICE Position the axle shaft SUBASSY so that plug 35 1 is aligned with the round pipe at the opposite side of the shaft center as shown...

Page 128: ...t 29 Install lifting bolt M10 to end of eccentric shaft 10 30 Slowly lift eccentric shaft with a crane and check that there is an axial play of 1 to 3 mm 0 04 to 0 12 in SV201 1 06068 14 Axle shaft SU...

Page 129: ...ive in oil seal 15 Apply lithium based grease to lip of oil seal 15 32 Install lifting bolts M12 to axle 19 33 Apply sufficient amount of lithium based grease to rollers of roller bearing 16 inner rac...

Page 130: ...to axle shaft 12 with three bolts 30 and spring washers A gap will remain between end of axle shaft 12 and inside of cover 31 Tighten bolts 30 to a torque of 29 N m 21 lbf ft Give axle 19 two to three...

Page 131: ...using after the cover is removed Without inserting shim install cover 31 to axle shaft 12 with three bolts 30 and spring washers SW800 06080 End of rollers in close contact with inner race shoulder G...

Page 132: ...bolts 30 Remove cover 31 Install shim 17 of preload adjusting shim thickness A 0 1 mm 0 04 in Secure cover 31 to axle shaft 12 with six bolts 30 and spring washers N m 30 Bolt M10 30 59 N m 44 lbf ft...

Page 133: ...fluid to breather 25 threads Install breather 25 Secure flange 26 to axle SUBASSY with eight bolts 32 and spring washers N m 32 Bolt M10 35 59 N m 44 lbf ft SV201 1 06082 18 26 SV201 1 06082 18 26 SV...

Page 134: ...denum based grease to splined portion of sleeve 33 Fit sleeve 33 to splined portion on eccentric shaft end 41 Apply grease to O ring 29 Install O ring 29 to vibrator motor 28 SV201 1 06085 33 34 SV201...

Page 135: ...N m 80 lbf ft 44 Lay vibratory drum ASSY on its side with round pipe at bottom Hold with chocks Vibratory drum ASSY SV201D 1 1 410 kg 3 108 lbs SV201T 1 1 545 kg 3 406 lbs SV201TF 1 2 260 kg 4 982 lbs...

Page 136: ...35 1 and 35 2 Supply gear oil from oil supply port Check that oil drips from gauge port Quantity of gear oil 4 0 L 1 1 gal Reinstall plugs 35 1 and 35 2 SV201 1 06089 Supply port Gauge port 35 2 35 1...

Page 137: ...Tire 11 Hub nut M22 P 1 5 12 Hub reduction gear 13 Bolt brake release 14 Plug differential filler and level gauge 15 Plug differential drain 16 Plug brake filler and level gauge 17 Plug brake drain 1...

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Page 139: ...3 1 2 1 2 1 2 Center housing differential brake Hub reduction gear Drain Supply Drain 1 Filler port 2 Level gauge 3 Drain port Change oil Gear oil API grade GL4 SAE90 See recommended lubrication Chang...

Page 140: ...E 3 3 Rear Axle Structure 3 3 1 Center housing 1 O ring 5 Vent 9 Snap ring 2 Cover 6 Housing 10 Magnet plug 3 Bolt 7 Plug 4 Seal washer 8 Plug SV201 1 06095 2 1 1 2 1 1 3 8 10 9 6 7 5 4 SV201 1 06095...

Page 141: ...differential 11 Spacer 2 Ring nut 7 Bolt 12 Shim 3 Taper roller bearing 8 Bevel gear set 13 Shim 4 Cylinder bolt 9 Ring nut 5 Differential carrier 10 Taper roller bearing SV400 2 06053 7 10 13 12 11 1...

Page 142: ...n washer 5 Seal 14 Axle case 23 Planetary gear carrier 6 Bearing 15 Circlip 24 Hub nut 7 Hub bolt 16 Ring gear 25 Stud bolt 8 Wheel hub 17 Ring gear support 26 Nut 9 O ring 18 Lock plate 27 Countersun...

Page 143: ...sc 2 O ring 8 Bolt 14 Spacer 3 Piston 9 O ring 15 Shim 4 O ring 10 Disc 16 Lock washer 5 Bolt 11 Cylinder bolt 17 Nut 6 Seal washer 12 Intermediate brake disc 18 Bolt SV201 1 06093 1 2 3 4 5 6 7 18 13...

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Page 145: ...BRAKE...

Page 146: ......

Page 147: ...12 13 9 10 8 6 7 3 4 5 2 15 16 1 Brake pedal 7 Nut M12 13 Nut M10 2 Clevis 8 Rod end 14 Return spring 3 Nut M10 9 Rod end Left hand thread 15 Nut M10 4 Foot brake switch 10 Nut M10 Left hand thread 1...

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Page 149: ...PG BL Hose VP2 X2 PG VP2 Hose Hydraulic oil tank Propulsion motor Rear Rear axle Hose PG VP2 BR BL Propulsion pump SECTION A A A A A A The letters and figures such as VA2 and VP2 show each port and th...

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Page 151: ...hich brake pedal pressed 15A Fuse Parking brake switch Brake OFF condition Charge pump Parking brake solenoid valve when brake is ON without solenoid excited The arrow symbol shows the direction of th...

Page 152: ...ion diagram 7 8 1 3 4 5 6 Hydraulic circuit diagram 7 8 6 2 1 Solenoid 2 O ring 1B P14 3 Spool J 4 Body 5 Spring 6 Port P VP2 G1 4 7 Port A VA2 G1 4 8 Port T VT2 G1 4 Specifications Rated pressure 4 9...

Page 153: ...INSPECTION AND ADJUSTMENT...

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Page 155: ...n V belt or exhaust system parts while the engine is running may cause serious injury 1 2 Preparation for Inspection and Adjustment Prepare the necessary measuring instruments In addition particularly...

Page 156: ...t the engine and set throttle lever to FULL Establish a condition in which machine propulsion load becomes maximum Pressure does not build up unless propulsion load is applied With propulsion load at...

Page 157: ...imum circuit pressure range after valve is disassembled and cleaned replace high pressure relief valve After inspection measure pressure again and check that pressure reaches maximum circuit pressure...

Page 158: ...9 16 18UNF Pressure gauge 0 to 5 MPa 0 to 725 psi Apply parking brake by pressing parking brake switch button Start the engine and set throttle lever to FULL Check that F R lever is in N Then read pre...

Page 159: ...Pressure change rate 0 27 MPa 1 4 turn 39 2 psi 1 4 turn If there is no evidence of nut having loosened remove charge relief valve Check removed charge relief valve for trapped dirt and scratches on...

Page 160: ...ter Adapter G1 4 Pressure gauge 0 to 5 MPa 0 to 725 psi Confirm that F R lever is in N Apply parking brake by pressing parking brake switch button Start the engine and set throttle lever to FULL Relea...

Page 161: ...tach pressure gauge through adapter Adapter G1 2 Pressure gauge 0 to 50 MPa 0 to 7 250 psi Apply parking brake by pressing parking brake switch button Set vibration mode select switch to Start the eng...

Page 162: ...or steering pump Attach pressure gauge through the adapter Adapter G3 8 Pressure gauge 0 to 25 MPa 0 to 3 625 psi Confirm that F R lever is in N properly Set steering wheel to a position where vibrato...

Page 163: ...ts seat and other abnormalities If trapped dirt is present disassemble and clean relief valve If a scratch or any other abnormality is found on seat replace relief valve After inspection measure press...

Page 164: ...ng measurement 50 5 C 122 41 F Disconnect hose 1 from vibrator steering pump Attach pressure gauge through the adapter Adapter G3 8 Pressure gauge 0 to 25 MPa 0 to 3 625 psi Confirm that F R lever is...

Page 165: ...d dirt scratches on its seat and other abnormalities If trapped dirt is present disassemble and clean relief valve If a scratch or any other abnormality is found on seat replace relief valve After ins...

Page 166: ...FULL Establish a condition in which machine propulsion load becomes maximum Pressure does not build up unless propulsion load is applied With propulsion load at maximum measure pressure when F R leve...

Page 167: ...adapter Adapter G3 4 Pressure gauge 0 to 5 MPa 0 to 725 psi Start the engine and set throttle lever to FULL Establish a condition in which machine propulsion load becomes maximum Pressure does not bu...

Page 168: ...Pressure gauge 0 to 5 MPa 0 to 725 psi Start the engine and set throttle lever to FULL Establish a condition in which machine propulsion load becomes maximum Pressure does not build up unless propulsi...

Page 169: ...cable 2 to fuel injection pump s control lever Start the engine Loosen lock nut 4 Using stopper bolt 3 adjust so that standard minimum no load rotational speed is achieved Standard minimum no load rot...

Page 170: ...um F and maximum R positions of F R lever 1 are positioned by notches Set F R lever in N Attach control cable 4 to clevis 5 Specified dimension a 233 mm 9 17 in Attach control cable to propulsion pump...

Page 171: ...ontact with F R lever Using lock nut 7 firmly secure stopper bolt 6 Set F R lever in R Loosen lock nut 2 Bring bolt 3 into contact with F R lever Using lock nut 2 firmly secure stopper bolt 3 SV201 1...

Page 172: ...and press it into disc 16 Do the same with bolt on the opposite side 3 Alternately tighten bolts 25 1 4 turn each and release brake disc After bolt end makes contact with disc 16 strictly observe not...

Page 173: ...4 and seal washer 26 Adjust bolt 25 to the dimensions as shown on the right Similarly adjust the bolt on the opposite side Specified dimension a 30 0 5 mm 1 18 0 02 in Tighten nut 24 and firmly secure...

Page 174: ......

Page 175: ...TROUBLESHOOTING...

Page 176: ......

Page 177: ...y cause a serious accident When inspecting the engine make sure to exchange the appropriate cues and hand signal with the person at the operator station to avoid any accidents CAUTION Before inspectin...

Page 178: ...cting surfaces on the connector side Wire number wire size and wire color are shown as above in electrical circuit diagrams 100 3 BW Wire color AVS wire size Wire number SW880 11020 B Black BW Black W...

Page 179: ...nternally Since connectors are not numbered be sure to affix alignment marks so that you can restore them to their original condition Before making a diagnosis check related connectors for faulty conn...

Page 180: ...quipment A measuring resistance between terminals 1 and 3 1 2 3 3 4 2 5 1 2 3 1 2 3 1 GW750 2 10004 Equipment A Connector Harness Equipment A Ohmmeter tester Equipment B Main power source of equipment...

Page 181: ...ness such as broken wire 10 or higher measured value 1 3 Measuring resistance of grounding wire measuring resistance between terminal 5 of equipment B and ground 1 2 3 4 5 5 1 GW750 2 10006 Connector...

Page 182: ...wer to equipment A Equipment B Equipment B Equipment A GW750 2 10007 Inspection procedure Connect the connectors of equipment A and that of equipment B Connect the test probe to connector terminal 3 o...

Page 183: ...connected in position contact the tester probes to the terminals without disconnecting the connector The following methods are available Measurement using a test harness Prepare the test harness for t...

Page 184: ...n procedure Disconnect the connector of equipment A and connect the test harness Connect the test probe to connector terminal 1 harness side of equipment A and the test probe to connector terminal 1 e...

Page 185: ...burning or of an odor investigate as described follows 2 3 How to find cause of failure when fuse blown is reproduced Turn the starter switch OFF and remove the connector from the load valve pump Ref...

Page 186: ...entify the location section to which 24 V or 12 V reaches Then replace the harness or take other action 5 Solenoid valve inspection Check ON OFF operation by sound Conduct without running the engine I...

Page 187: ......

Page 188: ...1 3 2 5 1 3 2 5 COM NO E BR 50 5BW 49 5WR LW 7 2G 2B X GLOW RELAY X B 13 F R LEVER SWITCH 14 12 11 5 2 10 9 8 7 6 4 3 1 28 1 25LgW 3 5R 3 5R 49 5WR 6 2 12 28 1 25LgW 15 2RB 25 2BW 4 5BY 26 2Lg 26 2Lg...

Page 189: ...sure voltage between starter motor terminal ST and chassis ground Standard voltage 12 V or more If starter motor does not run even though above items 1 and 2 are OK starter motor is faulty Replace sta...

Page 190: ...1 3 2 5 1 3 2 5 COM NO E BR 50 5BW 49 5WR LW 7 2G 2B X GLOW RELAY X B 13 F R LEVER SWITCH 14 12 11 5 2 10 9 8 7 6 4 3 1 28 1 25LgW 3 5R 3 5R 49 5WR 6 2 12 28 1 25LgW 15 2RB 25 2BW 4 5BY 26 2Lg 26 2Lg...

Page 191: ...12 V or more 2 When starter switch is START measure voltage between interlock relay terminal 5 inlet wire BW and chassis ground Standard voltage 12 V or more 3 When starter switch is START measure vo...

Page 192: ...1 3 2 5 1 3 2 5 COM NO E BR 50 5BW 49 5WR LW 7 2G 2B X GLOW RELAY X B 13 F R LEVER SWITCH 14 12 11 5 2 10 9 8 7 6 4 3 1 28 1 25LgW 3 5R 3 5R 49 5WR 6 2 12 28 1 25LgW 15 2RB 25 2BW 4 5BY 26 2Lg 26 2Lg...

Page 193: ...1 When starter switch is ON measure voltage between foot brake switch terminal COM inlet wire R and chassis ground Standard voltage 12 V or more 2 When starter switch is ON measure voltage between fo...

Page 194: ...1 3 2 5 1 3 2 5 COM NO E BR 50 5BW 49 5WR LW 7 2G 2B X GLOW RELAY X B 13 F R LEVER SWITCH 14 12 11 5 2 10 9 8 7 6 4 3 1 28 1 25LgW 3 5R 3 5R 49 5WR 6 2 12 28 1 25LgW 15 2RB 25 2BW 4 5BY 26 2Lg 26 2Lg...

Page 195: ...andard voltage 12 V or more If above items 1 and 2 are OK and engine does not start engine stop solenoid is faulty Replace engine stop solenoid 3 Harness Connecting Between Terminals Measure resistanc...

Page 196: ...1 3 2 5 1 3 2 5 COM NO E BR 50 5BW 49 5WR LW 7 2G 2B X GLOW RELAY X B 13 F R LEVER SWITCH 14 12 11 5 2 10 9 8 7 6 4 3 1 28 1 25LgW 3 5R 3 5R 49 5WR 6 2 12 28 1 25LgW 15 2RB 25 2BW 4 5BY 26 2Lg 26 2Lg...

Page 197: ...t wire WB and chassis ground Standard voltage 12 V or more 3 When starter switch is HEAT measure voltage between glow relay terminal B outlet wire WG and chassis ground Standard voltage 12 V or more I...

Page 198: ...5D31R BATTERY ST OFF C BR ACC R2 R1 B ON HEAT 75 2BrR 2LgR 2R X B 13 14 12 11 5 2 10 9 8 7 6 4 3 1 6 2 12 FUSE BOX 36 38 36 37 5 12 FOOT BRAKE SWITCH WHEN NOT DEPRESS R 20A 15A 15A 15A 20A 20A 15A 15A...

Page 199: ...R and chassis ground Standard voltage 12 V or more 2 When starter switch is ON measure voltage between foot brake switch terminal NO outlet wire LgR and chassis ground Standard voltage 12 V or more I...

Page 200: ...5D31R BATTERY ST OFF C BR ACC R2 R1 B ON HEAT 75 2BrR 2LgR 2R X B 13 14 12 11 5 2 10 9 8 7 6 4 3 1 6 2 12 FUSE BOX 36 38 36 37 5 12 FOOT BRAKE SWITCH WHEN NOT DEPRESS R 20A 15A 15A 15A 20A 20A 15A 15A...

Page 201: ...tween foot brake switch terminal NO outlet wire LgR and chassis ground Standard voltage 12 V or more If above item 1 is OK and item 2 is NG foot brake switch is faulty Replace foot brake switch 3 Park...

Page 202: ...5D31R BATTERY ST OFF C BR ACC R2 R1 B ON HEAT 75 2BrR 2LgR 2R X B 13 14 12 11 5 2 10 9 8 7 6 4 3 1 6 2 12 FUSE BOX 36 38 36 37 5 12 FOOT BRAKE SWITCH WHEN NOT DEPRESS R 20A 15A 15A 15A 20A 20A 15A 15A...

Page 203: ...ge between parking brake switch terminal 3 outlet wire BrW and chassis ground There is no electricity in normal condition If electricity flows parking brake switch is faulty Replace parking brake swit...

Page 204: ...W RELAY ST OFF C BR ACC R2 R1 B ON HEAT TO COMBINATION METER 10 YB 18 RG 5 2 3 1 30 RY 30 RY X X B 10 YB 30 RY 13 14 12 11 5 2 10 9 8 7 6 4 3 1 B B F R LEVER VIBRATION SWITCH COM NO NC Br 11 B G Br 30...

Page 205: ...ter switch is ON measure voltage between vibration mode select switch terminal 5 outlet wire YB and chassis ground Standard voltage 12 V or more If above item 1 is OK and item 2 is NG vibration mode s...

Page 206: ...W RELAY ST OFF C BR ACC R2 R1 B ON HEAT TO COMBINATION METER 10 YB 18 RG 5 2 3 1 30 RY 30 RY X X B 10 YB 30 RY 13 14 12 11 5 2 10 9 8 7 6 4 3 1 B B F R LEVER VIBRATION SWITCH COM NO NC Br 11 B G Br 30...

Page 207: ...r and chassis ground Standard voltage 12 V or more 2 When starter switch is ON and keep pressing F R lever vibration switch measure voltage between F R lever vibration switch terminal NO outlet wire G...

Page 208: ...er warning indicator Preheating indicator O P R GB OG LgY WB OW O YL P LR R GL WR L LB Br LW GY LgY RB WB OW GB OG W Y GR YR GW G YW BrW B WR GL LR YL LW Br LB L B Y YR YW BrW GR GW G W GY RB COMBINAT...

Page 209: ...r terminal wire No 41 wire RG Standard resistance 10 or less If resistance is abnormal harness is faulty Repair or replace harness 2 Combination Meter Combination meter illumination 1 When starter swi...

Page 210: ...er warning indicator Preheating indicator O P R GB OG LgY WB OW O YL P LR R GL WR L LB Br LW GY LgY RB WB OW GB OG W Y GR YR GW G YW BrW B WR GL LR YL LW Br LB L B Y YR YW BrW GR GW G W GY RB COMBINAT...

Page 211: ...ion meter terminal wires and ground terminal wire Battery terminal wire No 35 inlet wire YW and ground terminal wire B Starter switch terminal wire No 28 inlet wire LgW and ground terminal wire B Stan...

Page 212: ...er warning indicator Preheating indicator O P R GB OG LgY WB OW O YL P LR R GL WR L LB Br LW GY LgY RB WB OW GB OG W Y GR YR GW G YW BrW B WR GL LR YL LW Br LB L B Y YR YW BrW GR GW G W GY RB COMBINAT...

Page 213: ...1 and 2 are OK and pulse is NG in item 3 tachometer sensor is faulty If above items 1 and 2 are OK and tachometer reading is NG in item 3 combination meter is faulty Replace tachometer sensor or combi...

Page 214: ...er warning indicator Preheating indicator O P R GB OG LgY WB OW O YL P LR R GL WR L LB Br LW GY LgY RB WB OW GB OG W Y GR YR GW G YW BrW B WR GL LR YL LW Br LB L B Y YR YW BrW GR GW G W GY RB COMBINAT...

Page 215: ...of harness connecting between terminals Standard resistance 10 or less If resistance is abnormal harness is faulty Repair or replace harness 2 5 6 Fuel meter is abnormal Reference Fig 2 5 1 Check poi...

Page 216: ...er warning indicator Preheating indicator O P R GB OG LgY WB OW O YL P LR R GL WR L LB Br LW GY LgY RB WB OW GB OG W Y GR YR GW G YW BrW B WR GL LR YL LW Br LB L B Y YR YW BrW GR GW G W GY RB COMBINAT...

Page 217: ...mal harness is faulty Repair or replace harness 2 Engine Oil Pressure Switch Disconnect engine oil pressure switch and check continuity between its terminals There is continuity in normal condition If...

Page 218: ...O PARKING BRAKE INTERLOCK RELAY G g e B 3WG 2R B X B X B IN CASE OF STD 41 RG 41 RG COM NO E BR 5 2 3 1 27 Y 26 Lg 30 RY 30 RY LW 7 2G 2B X GLOW RELAY X B X X B 10 YB 10 YB 30 RY 13 14 12 11 5 2 10 9...

Page 219: ...terminal 5 outlet wire Br and chassis ground Standard voltage 12 V or more If above item 1 is OK and item 3 is NG vibrator lamp relay is faulty Replace vibrator lamp relay 3 Combination Meter Vibratio...

Page 220: ...O PARKING BRAKE INTERLOCK RELAY G g e B 3WG 2R B X B X B IN CASE OF STD 41 RG 41 RG COM NO E BR 5 2 3 1 27 Y 26 Lg 30 RY 30 RY LW 7 2G 2B X GLOW RELAY X B X X B 10 YB 10 YB 30 RY 13 14 12 11 5 2 10 9...

Page 221: ...ontinuity parking brake switch is faulty Replace parking brake switch 3 Combination Meter Parking brake indicator lamp 1 When starter switch is ON measure voltage between combination meter terminal wi...

Page 222: ...O PARKING BRAKE INTERLOCK RELAY G g e B 3WG 2R B X B X B IN CASE OF STD 41 RG 41 RG COM NO E BR 5 2 3 1 27 Y 26 Lg 30 RY 30 RY LW 7 2G 2B X GLOW RELAY X B X X B 10 YB 10 YB 30 RY 13 14 12 11 5 2 10 9...

Page 223: ...chassis ground Terminal 4 inlet wire G and chassis ground Terminal 5 inlet wire Lg and chassis ground Standard voltage 12 V or more 3 When starter switch is HEAT measure voltage between glow lamp tim...

Page 224: ...BATTERY RELAY AV60 12V 80AH 95D31R BATTERY TO STARTER MOTOR TO GLOW RELAY ST OFF C BR ACC R2 R1 B ON HEAT C O M N O N C 5 2 3 1 30 RY 30 RY 2 GB 13 BACKUP BUZZER SWITCH 14 12 11 5 2 10 9 8 7 6 4 3 1 H...

Page 225: ...Measure resistance of harness connecting between terminals Standard resistance 10 or less If resistance is abnormal harness is faulty Repair or replace harness 2 5 13 Backup buzzer does not sound Ref...

Page 226: ...pes and components in order to prevent foreign substances from entering Never leave the openings exposed or put a shop cloth into them There is the danger of foreign substances entering or of leaking...

Page 227: ...ged filter Clean hydraulic oil filter or replace it if necessary 6 Propulsion Circuit Pressure Circuit does not obtain required pressure because setting pressure of high pressure relief is low Measure...

Page 228: ...because charge pressure is low decreasing discharge rate of propulsion pump Measure charge pressure If low check and adjust charge relief valve or replace it if necessary Insufficient charge pump disc...

Page 229: ...or replace it if necessary 3 Propulsion Pump Servo Cylinder Faulty propulsion pump servo cylinder or faulty pump swash plate setting Repair propulsion pump or replace it if necessary 3 2 5 Propulsion...

Page 230: ...rated because clamp securing hydraulic hose is loose Tighten bolts of loose hydraulic hose clamp to specified torque 5 Hydraulic Oil Filter Cavitation is occurring in charge pump due to clogged filter...

Page 231: ...or replace it if necessary 3 Vibrator Solenoid Valve Vibrator pump cannot discharge oil because spool of vibrator solenoid valve does not shift Repair vibrator solenoid valve or replace it if necessar...

Page 232: ...flow rate of vibrator pump with flow meter If discharge flow rate is not within specified range repair vibrator pump or replace it if necessary Insufficient pump discharge due to wear of vibrator pump...

Page 233: ...mp Vibrator sound of hydraulic hose is generated because clamp securing hydraulic hose is loose Tighten bolts of loose hydraulic hose clamp to specified torque 3 Suction Filter for Vibrator Pump Cavit...

Page 234: ...necessary 4 Suction Filter for Steering Pump Steering pump discharge rate decreases due to clogged filter Clean suction filter or replace it if necessary 5 Steering Pump Discharging pressure is insuf...

Page 235: ...is open causing temperature of hydraulic oil in circuit to rise Measure steering circuit pressure If high decrease steering load 3 Suction Filter for Steering Pump Load of steering pump increases due...

Page 236: ...e cylinder or replace it if necessary 5 Suction Filter for Steering Pump also used for blade circuit Steering pump discharge rate decreases due to clogged filter Clean suction filter or replace it if...

Page 237: ...Measure blade circuit pressure If high decrease blade load 3 Suction Filter for Steering Pump also used for blade circuit Load of steering pump increases due to clogged filter causing temperature of...

Page 238: ...rinted in Japan 2012 11 50 0 H S 0406 99004 0 30910 D SAKAI HEAVY INDUSTRIES LTD Head office Seiwa Bldg 4 8 Shibadaimon 1 chome Minato ku Tokyo Japan Telephone 81 3 3434 3401 Global Service Division 2...

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