Mikasa MVH-308 Series User Manual

Mikasa MVH-308 Series

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SERIES

MVH-308

MVH-408

MVH-508

SERVICE MANUAL

REVERSIBLECOMPACTOR

Table of Contents

Questions and Answers:

C
Christine PittsAug 2, 2025
What to do if compression is good, but Mikasa MVH-308 Construction Equipment is not firing?
- B
  Brad AdamsAug 2, 2025
  If your Mikasa Construction Equipment has good compression but isn't firing, several factors could be at play. It could be due to water mixed in the fuel, in which case you should drain the fuel system and replace it with fresh fuel. Another cause might be a dirty igniter plug, which should be cleaned or replaced. Inspect the ignition coil for any issues, and replace it if necessary. Finally, check for any occasional short circuits in the ignition coil and rectify them.
S
Sheila WeaverAug 15, 2025
Why is the recoil starter operation not good on my Mikasa MVH-308?
- M
  Megan MartinezAug 15, 2025
  There are several reasons why the recoil starter operation might not be working well on your Mikasa Construction Equipment. It could be due to inappropriate governor adjustment, so adjust the governor settings. Governor spring problems can also cause this issue, so replace or repair the governor spring. Additionally, check for proper fuel flow by inspecting and cleaning the fuel system. Air taken from the intake pipe system can also cause problems, so seal any leaks in the intake system. Clogging of foreign materials at the rotating part can also be a factor, so clean the rotating parts. Finally, weakening of the spiral spring can cause issues, so replace the spiral spring.

Mikasa MVH-308 Series Specifications

General

Brand	Mikasa
Model	MVH-308 Series
Category	Construction Equipment
Language	English

Summary

Introduction and Safety

Introduction

Overview of the service manual and machine information.

Warning Signs

Explains hazard symbols and their meanings for safety.

Maintenance Safety Cautions

General safety precautions for performing maintenance work.

Specific Safety Precautions

Work Site & Personal Safety

Safety precautions for the work environment and use of protective gear.

Refueling, Burn, Battery & Lifting Safety

Safety guidelines for refueling, avoiding burns, battery handling, and lifting.

Maintenance Best Practices

Parts, Torque & Disposal Safety

Guidelines on using genuine parts, tightening torque, and waste disposal.

Required Tools

Lists specific tools required for maintenance and assembly tasks.

Inspection and Specifications

Inspection Procedures

Procedures for visual and operational checks of the machine.

Technical Specifications

Technical specifications for various MVH models, including dimensions and performance.

Disassembly and Assembly - General & Control

General Maintenance Cautions

General safety precautions and considerations before starting maintenance.

Battery Removal

Step-by-step guide to safely remove and disconnect the battery.

Control Part Disassembly

Disassembly and assembly of the control panel components.

Main Body Separation

Instructions for separating the engine base from the vibrating plate assembly.

Disassembly and Assembly - Vibrator

Vibrator Part Disassembly

Procedures for the disassembly and assembly of the vibrator parts.

Vibrator Drive Shaft Assembly

Detailed instructions for drive shaft assembly within the vibrator.

Disassembly and Assembly - Vibrator Components

Vibrator Piston and Eccentric Rotator Assembly

Assembly procedures for eccentric rotators and the piston.

Vibrator Final Assembly and Oil

Final assembly of the vibrator, including oil filling and case assembly.

Disassembly and Assembly - Hand Pump

Hand Pump & Accumulator Safety

Safety precautions for disassembly and assembly of hand pump and accumulator.

Hand Pump Disassembly

Steps for disassembling the hand pump and accumulator springs.

Accumulator Assembly and Regular Checks

Accumulator Assembly

Procedures for assembling accumulator case, dust seal, and O-ring.

Inspection and Maintenance Chart

A comprehensive chart detailing inspection frequency and items for parts.

Maintenance Details

Oil Application & Front Cover

Table of oil recommendations and instructions for opening the front cover.

Engine Oil, Air Cleaner, V-belt & Clutch

Procedures for engine oil, air cleaner, V-belt, and clutch maintenance.

Oil, Battery, and Troubleshooting

Vibrator Oil & Hydraulic Oil

Procedures for checking and changing vibrator and hydraulic oil.

Battery Maintenance

Information on checking the battery's condition and capacity.

Gasoline Engine Troubleshooting

Lists starting, operation, and recoil starter problems and their causes.

Troubleshooting and Wiring Diagrams

Diesel Engine Troubleshooting

Troubleshooting guide for common problems with the diesel engine.

Main Body Troubleshooting

Troubleshooting common issues related to the main body, travel, and vibration.

Wiring Diagrams

Wiring diagrams for various MVH models.

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