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Related Manuals for Hyundai R160LC-3
Summary of Contents for Hyundai R160LC-3
- Page 1 SERVICE MANUAL CRAWLER EXCAVATOR R160LC-3...
- Page 2 CONTENTS...
- Page 3 This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations. The specifications contained in this shop manual are subject to change at any time and without any advance notice. Contact your HYUNDAI distributor for the latest information.
- Page 4 Revised edition mark( Any additions, amendments or other changes When a manual is revised, an edition mark is will be sent to HYUNDAI distributors. recorded on the bottom outside corner of the Get the most up-to-date information before you pages.
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Page 5: Main Control Valve
GEAR PUMP Item Specification Type Fixed displacement gear pump single stage Capacity 10cc/rev Maximum pressure 40kgf/cm (570psi) Rated oil flow 22 /min(5.8U.S. gpm/4.8U.K. gpm) MAIN CONTROL VALVE Item Specification Type 9 spools two-block Operating method Hydraulic pilot system Main relief valve pressure 320kgf/cm (4550psi)[350kgf/cm (4980psi)]... -
Page 6: Remote Control Valve
REMOTE CONTROL VALVE Item Specification Type Pressure reducing type 5.5kgf/cm (78psi) Minimum Operating pressure 19.5kgf/cm (277psi) Maximum Lever 82.7mm(3.3in) Single operation stroke 123mm(4.8in) Pedal CYLINDER Specification Item Bore dia Rod dia Stroke 80 1180mm Boom cylinder Cushion Extend only Bore dia Rod dia Stroke 85 1320mm... - Page 7 Power shift control B(E) Large diameter Small diameter chamber chamber Servo piston The set horsepower valve is shifted by varying the command current level of the proportional pressure reducing valve attached to the pump. Only one proportional pressure reducing valve is provided. However, the secondary pressure Pf (power shift pressure) is admitted to the horsepower control section of each pump...
- Page 8 Adjustment of maximum and minimum flows Adjustment of maximum flow Adjust it by loosening the hexagon nut(808) and by tightening(Or loosening) the set screw(954). The maximum flow only is adjusted without changing other control characteristics. Adjustment of max flow Speed Tightening amount Flow change of adjusting screw...
- Page 9 GROUP 2 MAIN CONTROL VALVE 1. STRUCTURE(1/2) 15 25 2 43 O-ring O-ring O-ring Housing Socket bolt O-ring Spring washer Spring Retainer Overload assy Spring guide Socket bolt O-ring Spring guide Plunger assy(TS) Orifice Plunger assy (TL, TR) Spring Plunger assy (SW) O-ring Check...
- Page 10 WIPER AND WASHER CIRCUIT WIPER & WASHER SW CN-36 CN-1 FUSE BOX CN-2 CN-6 CN-22 WASHER TANK WIPER MOTOR CN-21 CN-13 4 - 16...
- Page 11 CN TYPE CONNECTOR No. of Receptacle connector(Female) Plug connector(Male) S810-001202 S810-101202 S810-002202 S810-102202 S810-003202 S810-103202 S810-004202 S810-104202 4 - 40...
- Page 12 Evaluation The time required for 3 swings should meet the following specifications. Unit : Seconds / 3 revolutions Model Power selector switch Standard Maximum allowable R160LC-3 H mode 15.0 1.5 17.5 1.5 7 - 8...
- Page 13 Repeat steps three times each and calculate the average values. Evaluation The measured drift angle should be within the following specifications. Unit : Degree Model Mode select switch Standard Maximum allowable Remarks R160LC-3 H mode 90 below 7 - 9...
- Page 14 Record the dial gauge reading(h2). Calculate bearing play(H) from this data(h1 and h2) as follows. H = h2-h1 Evaluation The measured drift should be within the following specifications. Unit : mm Model Standard Maximum allowable Remarks R160LC-3 1.5 below 7 - 10...
- Page 15 DISASSEMBLY Since the regulator consists of small precision finished parts, disassembly and assembly are rather complicated. For this reason, replacement of a regulator assembly is recommended, unless there is a special reason, but in case disassembly is necessary for an unavoidable reason, read through this manual to the end before starting disassembly.
- Page 16 After removing cover(C, 629) subassembly, take out outer spring(625), inner spring (626) and spring seat(C, 624) from compensating section. Then draw out adjusting ring(Q, 645), pilot spring(646) and spring seat(644) from pilot section. Adjusting ring(Q,645) can easily be drawn out with M4 bolt. Remove hexagon socket head screws (436, 438) and remove pilot cover(641).
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