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Mikasa MVH-100 Service Manual

Reversible plate compactor
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SERVICE MANUAL
MIKASA REVERSIBLE PLATE
COMPACTOR MVH-R60H
Version 2.0 (August 2022)
FOR MORE INFORMATION
EXCLUSIVE TO
CONTACT US ON
1300 353 986
OR VISIT
flextool.com.au

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Summary of Contents for Mikasa MVH-100

  • Page 1 SERVICE MANUAL MIKASA REVERSIBLE PLATE COMPACTOR MVH-R60H Version 2.0 (August 2022) FOR MORE INFORMATION EXCLUSIVE TO CONTACT US ON 1300 353 986 OR VISIT flextool.com.au...
  • Page 2 410-00801 REVERSIBLE SOIL COMPACTOR MVH-R60/100 ( 120 ) /150 SERVICE MANUAL ○...

  • Page 3: Table Of Contents

    C O N T E N T S 1. Tools ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 2. Inspection Procedure ・・・・・・・・・・・・・・・・・・・・・・・・・・ 3. Engine, Oil and V-belt ・・・・・・・・・・・・・・・・・・・・・・・・・・ General Rules for Conducting Service ・・・・・・・・・・・・ Disassembly and Reassembly ・・・・・・・・・・・・・・・・・・・ 5-1. Operation System ・・・・・・・・・・・・・・・・・・・・・・・・・ 5-2. Basic Machine ・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 5-3. Vibration System ・・・・・・・・・・・・・・・・・・・・・・・・・・...

  • Page 4: Tools

    1. Tools 1. Wrench 10mm 12mm 13mm 14mm 17mm 19mm 22mm 24mm 27mm Offset wrench/Socket wrench/Adjustable wrench 2. Hexagonal wrench 3/16inch 5mm 8mm 10mm 14mm 3. Plier 4. External snap ring plier/Internal snap ring plier(bent type can be also used) 5.

  • Page 5: Inspection Procedure

    Engine speed check (Max. set rpm and idling) Traveling Check for selection of forward/reverse travel. Check for speed of forward/reverse travel. Check for abnormal noise during operation. 3. Engine, Oil and V-belt Table 1 MVH-100 ( 120 ) Type MVH-R60 MVH-150 Mounted engine HondaGX120 HondaGX160...

  • Page 6: General Rules For Conducting Service

    4. RULES FOR CONDUCTING SERVICE WORK In order to avoid deficient reassembly, know normal status of installation before removing or disasem- bling any part. Level check or replacement of vibrator oil should be carried out on level ground. Each time disassembly is made involving oil seal, gasket, packing, o-ring, lock washer or the like,be sure to replace them with new ones.

  • Page 7: Operation System

    5. DISASSEMBLING / REASSEMBLING THE MVH-R60~150: 5-1 OPEARTION SYSTEM (MVH-R60) Disassembly MVH-R60 CONTROL Removing two bolts (51) causes throttle body (37) and throttle lever (39) to come off as an assembly. Removing the double nut (46, 47) causes the throttle lever to come off the throttle body.
  • Page 8 For VIBRO-COMPACTOR MODEL MVR-R60 Reassembling the governor lever assembly: The governor lever assembly should be totally disassembled except for hollow setscrew (62) and nut M8 (63) (See Fig.A). (Fig.-A) <NOTE:1> Disassembling the Governor Lever Assembly: Disassembled hollow setscrew(62) and thin nut M8(63) should be reassembled to be flush with each other as shown in Photo Parts not to disassemble.
  • Page 9 Assemble plain washer (57) and o-ring (56) to throttle gear (Photo I). Tooth face of throttle gear, plain washer and o-ring should be coated with grease. Photo I : Throttle gear, etc. Assemble throttle gear(52) to throttle body(51) as follows: Push-in the governor wire(inner) and shift the slider(53) all the way to the back (Photo J).

  • Page 10: Disassembly And Reassembly

    Resistance of handle movement should be adjusted with double nut(36,37) Set rpm of the engine on the high speed end should be adjusted on the engine side by means of engine setscrew. Disassembly and reassembly procedures for MVH-150 is identical to those of MVH-100/120. ＊...

  • Page 11: Basic Machine

    5-2 BASIC MACHINE <Common to MVH-R60, 100 (120) and 150> ＊MVH-R60 is used as an example here. R60 main body corollary exploded Disassembly With four bolts (21) removed, take off the outer belt cover (20). Remove V-belt(16). With bolt(15) removed, withdraw the clutch (12).

  • Page 12: Vibration System

    5-3 VIBRATION SYSTEM During disassembly and reassembly work, use care not damage any parts. O-ring, oil seal, packing or the like must be relaced with new one. Disassembly <Common to MVH-R60, 100 (120) and 150> ＊MVH-R60 is used as an example hereunder. Fig.1 Remove any hydraulic hose connection.
  • Page 13 MVH-R60 VIBRATOR 20 21...
  • Page 14 <MVH-R60> <MVH-100 (120) AND 150> 4-4. Remove seal cap(27). 4-4. Remove seal cap(25). Remove pendulums(19, 20) from each pendu- 4-5. Remove pendulums(18) from each pendulum 4-5. lum shaft(See Fig.4) shaft(See Fig.8) 4-6. With the driven shaft assembly pushed out to Fig.4...
  • Page 15 MVH-100 ( 120 ) / 150 VIBRATOR Models MVH-100(120) and MVH-150 are different with respect to bearing(2), pendulum(18), hex socket head bolt(19), pendulum pulley(35), belt cover (lower) 23 24 (45) and mounting socket head bolt(46). For MVH-150, three different types of...
  • Page 16 <Common to MVH-R60, 100 (120) AND 150> ＊MVH-100(120) is used as an example here. Disassembling teh driving shaft side: 5-1. With its mounting bolt(38) removed, pull out the Fig.12 pendulum pully(35) from drive shaft. Have the key(6) removed as well(See Fig.12).
  • Page 17 Have both of the two bearings(2) inserted in the belt side of vibrator case(1) (See Fig.14). Bearings in use: MVH-R60: 6206C4 MVH-100(120): 6307C4 MVH-150: NJ307MC4 Drive shaft side Driven shaft side Belt side Within the vibrator case, press the drive gear(7) into drive shaft(3) with its punched side coming to top(Opposite to belt side) (See Fig.15).
  • Page 18 Reassembling the driven shaft: Fig.21 <MVH-100 (120) and 150> Press-in Insert 210 cam ring(7) to drive shaft(4). Pay attention to the direction of flange face to install.(See Fig.18) Shifter piston side. Pay attention to direction of flange face. Coat with molybdenum grease.
  • Page 19 Reassembling the driven shaft: Fig.25 <MVH-100 (120) and 150> Install bearing holder(8) to driven shaft gear with four hex socket head bolts 6x30(10). (See Fig.25) Apply Loctite 271 to the bolts. Tightening torque: 180kgf-cm Fit the driven shaft assembly to vibrator case and...
  • Page 20 Reassembling the piston: <Common to MVH-R60,MVH-100 (120) and 150> Have the expansion stop ring installed over the piston rod and insert two bearings before retaining it with contraction stop ring (See Fig.29). (When using single shield type bearing, it should be installed with its seal surface facing outward.)
  • Page 21 Assembling the cylinder to vibrator case: <Common to MVH-R60,MVH-100 (120) and 150> Install o-ring to the cylinder and coat it with grease. (See Fig. 32) Coat the cylinder mounting bolt MVH-R60 has 90°elbow, ○ while MVH-100 and 150 with Loctite #242.

  • Page 22: Hand Pump System

    5-4 HAND PUMP SYSTEM Disassembling/reassembling the hand pump:    ＊ In this Section, for the case where index numbers MVH-R60 in drawings are different for MVH-100(120)/150 HAND PUMP ASS’Y and MVH-R60, those for MVH-100(120)/150 will be shown in “{ }”. Removing the hand pump: Disconnect hydraulic hose off the compactor cylinder.
  • Page 23 Reassembling the hand pump: (All the O-rings should be renewed.) Assemble piston CP (4) to pump body (1) and install stop plug (19, {18}). In case of MVH-R60, install accumulator case (15), piston ring (14) and cylinder CP (3) as well. 4-2 Within the pump body, insert control shaft (8,{7}) to cam COMP (A) and retain it with spring pin (20,{13}).

  • Page 24: Periodical Inspection And Maintenance Work

    6. PERIODICAL INSPECTION AND MAINTENANCE WORK NOTE: Inspection or maintenance service should be conducted on hard and level ground. Be ！ sure to have engine shutdown before starting such inspection or service work. 1. Inspection and maintenance chart: To enable the use of machine always in its top condition, be sure to conduct maintenance inspection in accordance with the chart below: Machine Inspection: Item...
  • Page 25 4. Checking and replacing V-belt and clutch: Checking the V-belt (See Fig.33) Belt cover In every 200 hours of operation, with the belt cover (upper) (upper) removed, check the tension of V-belt. The tension is normal if the bend is about 10mm when Clutch the belt is pressed with our finger at midway between the pulleys.
  • Page 26 5. Checking the vibrator oil (See Fig.35): In every 100 hours of operation, position the machine horizontally and remove the vibrator oil level check plug (use 14mm wrench) to see oil is up to the port. In every 300 hours of operation, change the vibra- Effective range of oil tor oil.
  • Page 27 7. Replacing the hydraulic oil: Change the oil at first 200 hours and in every 1,000 Hydraulic hose Breather plug hours of operation thereafter. NOTE: Be careful not to allow any dust to ！ enter the hand pump during the work. With the plug cap taken off the hand pump, remove breather plug (with 24mm wrench) before discon- necting hydraulic hose which has entered vibrator...
  • Page 28 8. Checking the battery: The battery installed is of maintenance-free type and replenishment with electrolyte is not needed. If voltage drops, replace with new battery because rapid charging is not possible. Removing the battery: With two M8 nuts removed, take off the battery cover. Disconnect the battery terminals, starting with (-) terminal.

  • Page 29: Trouble Shooting

    7 TROUBLE SHOOTING 1. Gasoline Engine (1) Deficient start up Fuel available Power available at high Spark plugs being bridged. spark plugs do not voltage cord. Carbon accumulateted on spark plugs. fire. Short circuit due to deficient insulation at spark plugs. Improper spark gap.
  • Page 30 2. DIESEL ENGINE (1) Starting deficiency (A) Due to deficient compression: No compression available. Intake or exhaust valve defective Decompression adjustment deficient. Nearly no or very little Compres- Valve seat contact deficient. sion available: Piston ring worn. Cylinder worm. Mating surface between cylinder and cylinder head deficient. Nozzle seat loose.
  • Page 31 Misfires accompanying white Piston, cylinder and ring worn. smoke exhaust (unloaded): Nozzle hole clogged. Piston ring stuck. Piston ring installed upside down. Injection timing improper. Valve open/close timing improper. Injection pump joint loosened. Fuel consumption high (Dark Leakage from fuel passage. smoke exhaust.): Air cleaner element clogged.

  • Page 32: Wiring Diagram

    8 WIRING DIAGRAM MVH-150DS(DY23) Sky blue Sky blue A. B. Rectifier Generator Blue Black A. B. Sky blue Sky blue Gray Starter moter Key switch actuation Terminal Position Black (Example) Battery 30A19L How to check regulator: Use the tester and the regulator is normal if the result is as follows: Connect the red (+) terminal of the tester.
  • Page 34 Design and technical specifications may be subject to changes. © This publication is copyright. All rights are reserved. Flextool is a registered trade mark of Parchem Construction Supplies Pty Ltd. Mikasa is a registered trade mark of Mikasa Sangyo Co. Ltd, used under licence.

This manual is also suitable for:

Mvh-r60Mvh-r60hMvh-120Mvh-150

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