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Table of Contents
Summary of Contents for Marol HRP-18-2
- Page 1 Hydraulic Steering System Installation Manual MB-030200-1E...
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Page 2: Table Of Contents
~Reference~ Thank you so much for your purchase of Marol Hydraulic Steering System. This Installation Manual explains installation method of System and the matters to be cared. For full play of function of this equipment, read this manual carefully and handle the equipment correctly. -
Page 3: For Safety Precautions
For Safety Precautions Precautions when installing and operating Hydraulic Steering System are explained hereunder. WARNING shows the assumptive details which may lead to the possibilities of death or serious injury. Warning Warning As to Thunder As to Use When thunderclap is heard, don't touch During normal operation, be sure to any metal parts of equipments. -
Page 4: System Configuration And Parts
System Configuration and Parts Parts List of System Configuration Cylinder Rotary type Cylinder Direct-driving type Additional set Article Model Helm Pump HRP-18-2 HRP-23 HRP-30-2 HRP-38 Installing Stand MBF-18-2 MBF-30-2 Wheel WR-240 WR-340 Cylinder MRB-50A MRB-63A MRB-75A MRB-80A MSB-35 MS-42 MS-42L... - Page 5 System Configuration Configuration of Rotary type Helm Pump Cylinder MRB Type (Rotary type) Configuration of Direct-driving type Helm Pump Cylinder MS Type (Direct-driving type)
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Page 6: Installation Of System
Installation of System Prior to installing Do not install equipment to places where • the spot will be submerged by splashes of seawater and/or rainfall. • the spot will become difficult in works of inspection, maintenance, piping or else. • the spot will suffer high temperature under direct sunbeams or close to high temperature pipings. •... - Page 7 Installation of Helm Pump (HRP-30-Ⅱ/HRP-38) 1. Either Foot mount type or Dashboard mount type can be installed depending on installing Fitting bolts place. By using template appended at the In case of Foot mount type Fitting stand end of this manual, drill holes for fixing bolts Elbow fittings and piping, and fix the unit tightly with bolts Adapters...
- Page 8 • Installation of Cylinder MRB Type (Rotary type) 1. Drill 4 holes according to the table and install Cylinder tightly by bolts and nuts to the place to be installed. Receiving Cylinder type Diameter of fitting holes MRB-63A 13mm MRB-75A 18mm MRB-80A 18mm...
- Page 9 2. Install it with care in installing position and angle. Once finished the installation of Cylinder, remove space washer for protec- tion. Confirm that X-X and Y-Y axes remain Space Washer parallel at the position where helm stands neutral. If not parallel, not only Caution Cylinder becomes not move smoothly, but also rod may be flawed or bent.
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Page 10: Hydraulic Piping
Hydraulic Piping Prior to Hydraulic Piping • Copper tube is to be used for whole piping. Use correct size copper tube shown on Parts List of System Configuration in page 3. • Once decided copper tube piping arrangement, cut tube by pipe cutter to the length necessary. If tubes are cut by saw, sawdust and/or fins may cause damage of equipment. - Page 11 •Piping to Cylinder MS Type (Direct-driving type) 1. High pressure tube is to be used only for cylinder side, because Cylinder MS Type (Direct-driving type) shakes interlocking with steering. 2. Connect copper tube to Receiving Cylinder through 90° elbow, high pressure hose, Pipe fitting adapter and pipe fitting.
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Page 12: Oil Filling And Air Purging
Oil Filling and Air Purging Preparation of air purging 1. Firstly, once remove metal fitting connecting Receiving Cylinder and tiller and make Receiving Cylinder move at full stroke. 2. Remove filling cap on Helm Pump and fill it with hydraulic oil. At this juncture, make sure that no dust enter Helm Pump. - Page 13 Air purging works of B port side 1. Release fully remove stop valve tightening bolt (M6 x 25 bolt with hexagonal hole) of Helm Pump side and remove it. Stop valve tightening bolt 2. Remove polyvinyl chloride tube for air purging from A pot side, change it to fit to B port side and release air purging plug of B port side.
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Page 14: Piping And Air Purging In Case Of Operation At 2 Places
In case of steering at 2 places • Hydraulic Steering System can be operated at 2 places by additional installation of Helm Pump. Even in this case, working load of wheel operation does not change. Piping for steering at 2 places 1. -
Page 15: Periodical Inspection And Maintenance
Periodical Inspection and Maintenance • For prevention against damage or troubles of System, routine inspection and periodical maintenance are necessary. When abnormal condition is found on inspection, immediately repair it or keep it in good condition. Item Period Contents Inspection of oil Daily for 10 days after During dead ship, after turning wheel slowly 1~2 rotation quantity... -
Page 16: Troubleshooting
Troubleshooting • When abnormal parts are found, don't use as it is and take suitable countermeasure looking for the cause. If using under abnormal condition, serious accident may be occurred as the case may be. Therefore, when no solution found by the following table, contact our agent or our company. Symptom Cause Countermeasure... -
Page 17: Drawings
Drawings •Wheel (WR-240) Weight 2.6kg •Wheel (WR-340) Weight... - Page 18 •Helm Pump (HRP-18-2F / HRP-23F) WOODRUFF KEY 3/16-3/4 A,B PORTS 2-Rc1/4 (PT1/4) 1/12 TAPER 24.5 24.5 4-φ11 Model Max. pressure Test pressure Tank capacity Weight Displacement HRP-18-2F 18cc/rev 7.8MPa 15.7MPa 318cc 4.3kg （80kgf/cm ） （160kgf/cm ） HRP-23F 23cc/rev •Helm Pump (HRP-18-2D / HRP-23D) 4-φ9 90.5 67.5...
- Page 19 •Helm Pump (HRP-30-2F / HRP-38F) WOODRUFF KEY 3/16-3/4 A,B PORTS 14 X 2 1/2 TAPER 2-Rc1/4 (PT1/4) 28.5 28.5 4-φ11 Model Max. pressure Test pressure Tank capacity Weight Displacement HRP-30-2F 30cc/rev 7.8MPa 15.7MPa 460cc 5.2kg （80kgf/cm ） （160kgf/cm ） HRP-38 38cc/rev •Helm Pump (HRP-30-2D / HRP-38D) WOODRUFF KEY...
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Page 20: Mrb-50A
•Receiving Cylinder Rotary type (MRB-50A / 63A / 75A / 80A) Breaking Working Oil quanti- Model Max. pressure Test pressure Weight torque angle ty needed 392N-m MRB-50A 77cc 13kg （40kgf-m） 785N-m MRB-63A 154cc 18kg （80kgf-m） 7.8MPa 15.6MPa 90° （80kgf/cm2） （160kgf/cm2） 1569N-m MRB-75A 317cc... - Page 21 •Template of Helm Pump (HRP-18-2F-D / HRP-23F-D) 4 - Ø9...
- Page 22 •Template of Helm Pump (HRP-30-2F / HRP-38F) 4-φ9...
- Page 23 •Helm Pump (HRP-30-2D / HRP-38D) 4-φ11...
- Page 24 MAROL CO., LTD 2-1-34, Ohashi-cyo, Nagata-ku, Kobe, Japan TEL:81-78-611-2159 FAX:81-78-641-2908...
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