MULTIQUIP Mikasa Series Guía

OPERATION AND PARTS MANUAL

THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

To ﬁnd the latest revision of this

publication, visit our website at:

www.multiquip.com

SERIES

MODEL MTX50HD

TAMPING RAMMER

(HONDA GX100RTKRBF GASOLINE ENGINE)

Revision #1 (10/05/18)

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PAGE 2 — MTX50HD RAMMER • OPERATION AND PARTS MANUAL — REV. #1 (10/05/18)

PROPOSITION 65 WARNING

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MTX50HD RAMMER • OPERATION AND PARTS MANUAL — REV. #1 (10/05/18) — PAGE 3

NOTES

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PAGE 4 — MTX50HD RAMMER • OPERATION AND PARTS MANUAL — REV. #1 (10/05/18)

TABLE OF CONTENTS

MTX50HD Rammer

Proposition 65 Warning ........................................... 2

Table Of Contents.................................................... 4

Parts Ordering Procedures...................................... 5

Safety Information ................................................ 6-9

Speciﬁcations ........................................................ 10

Noise and Vibration Emissions.............................. 11

General Information............................................... 12

Components .......................................................... 13

Basic Engine.......................................................... 14

Inspection .............................................................. 15

Operation.......................................................... 16-17

Maintenance.......................................................... 18

Troubleshooting ................................................ 19-21

Explanation Of Code In Remarks Column............. 22

Suggested Spare Parts ......................................... 23

Component Drawings

Nameplates And Decals................................... 24-25

Crankcase And Engine Assembly .................... 26-29

Guide Cylinder Assembly ................................. 30-31

Foot Assembly.................................................. 32-33

Fuel Tank And Handle Assembly...................... 34-35

Combination Lever Assembly ........................... 36-37

Tools ................................................................. 38-39

Honda GX100RTKRBF Engine

Cylinder Barrel Assembly ................................. 40-41

Crankcase Cover Assembly ............................. 42-43

Crankshaft Assembly........................................ 44-45

Piston/Conn. Rod Assembly ............................. 46-47

Camshaft Assembly.......................................... 48-49

Recoil Starter Assembly ................................... 50-51

Fan Cover Assembly..........................................52-53

Carburetor Assembly ........................................... 54-55

Elbow Air Cleaner Assembly............................... 56-57

Mufﬂer Assembly .............................................. 58-59

Flywheel Ignition Assembly .............................. 60-61

Control Assembly ............................................. 62-63

Labels Assembly .............................................. 64-65

Terms And Conditions Of Sale — Parts ................ 66

NOTICE

Speciﬁcations and part numbers are subject to change

without notice.

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Outside Florida TOLL FREE: 877-690-3101

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a quote for the right part that your machine needs.

We sell worldwide for the brands: Genie, Terex, JLG, MultiQuip, Mayco, Toro/Stone,

Diamond Products, Magnum, Airman, Mustang, Power Blanket, Nifty Lift, Atlas Copco,

Chicago Pneumatic, Allmand Brothers, Essick, Miller Spreader, Skyjack, Lull, Skytrak,

Tsurumi, Husquvarna/Target, Whiteman-Concrete/Mortar, Stow-Concrete/Mortar, Baldor,

Wacker, Sakai, Snorkel, Upright, Mi-T-M, Sullair, Neal, Basic, Dynapac, MBW, Weber,

Bartell, Bennar Newman, Haulotte, Ditch Runner, Blaw-Knox, Himoinsa, Best, Buddy,

Crown, Edco, Wyco, Bomag, Laymor, Terremite, Barreto, EZ Trench, Takeuchi, Basic, Bil-

Jax, Curtis, Gehl, Heli, Honda, ICS/PowerGrit, Puckett, Waldon, ASV, IHI, Partner, Imer,

Clipper, MMD, Koshin, Rice, Gorman Rupp, CH&E, Cat Pumps, Comet, General Pump,

Giant,AMida, Coleman, NAC, Gradall, Square Shooter, Kent, Stanley, Tamco, Toku, Hatz,

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PAGE 6 — MTX50HD RAMMER • OPERATION AND PARTS MANUAL — REV. #1 (10/05/18)

SAFETY INFORMATION

Do not operate or service the equipment before reading

the entire manual. Safety precautions should be followed

at all times when operating this equipment.

Failure to read and understand the safety

messages and operating instructions could

result in injury to yourself and others.

SAFETY MESSAGES

The four safety messages shown below will inform you

about potential hazards that could injure you or others.The

safety messages speciﬁcally address the level of exposure

to the operator and are preceded by one of four words:

DANGER, WARNING, CAUTION

or NOTICE.

SAFETY SYMBOLS

DANGER

Indicates a hazardous situation which, if not avoided,

WILL result in DEATH or SERIOUS INJURY.

WARNING

Indicates a hazardous situation which, if not avoided,

COULD result in DEATH or SERIOUS INJURY.

CAUTION

Indicates a hazardous situation which, if not avoided,

COULD result in MINOR or MODERATE INJURY.

NOTICE

Addresses practices not related to personal injury.

Potential hazards associated with the operation of this

equipment will be referenced with hazard symbols which

may appear throughout this manual in conjunction with

safety messages.

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MTX50HD RAMMER • OPERATION AND PARTS MANUAL — REV. #1 (10/05/18) — PAGE 7

SAFETY INFORMATION

GENERAL SAFETY

CAUTION



NEVER operate this equipment without proper protective

clothing, shatterproof glasses, respiratory protection,

hearing protection, steel-toed boots and other protective

devices required by the job or city and state regulations.



NEVER operate this equipment when not

feeling well due to fatigue, illness or when

under medication.



NEVER operate this equipment under the inﬂuence of

drugs or alcohol.



ALWAYS check the equipment for loosened threads or

bolts before starting.



DO NOT use the equipment for any purpose other than

its intended purposes or applications.

NOTICE



This equipment should only be operated by trained and

qualiﬁed personnel 18 years of age and older.



Whenever necessary, replace nameplate, operation and

safety decals when they become difﬁcult read.



Manufacturer does not assume responsibility for any

accident due to equipment modiﬁcations. Unauthorized

equipment modiﬁcation will void all warranties.



NEVER use accessories or attachments that are not

recommended by Multiquip for this equipment. Damage

to the equipment and/or injury to user may result.



ALWAYS know the location of the nearest

ﬁre extinguisher.



ALWAYS know the location of the nearest

ﬁrst aid kit.

ALWAYS know the location of the nearest phone or keep a

phone on the job site.

Also, know the phone numbers of

the nearest ambulance, doctor and ﬁre department.

This

information will be invaluable in the case of an emergency.

RAMMER SAFETY

DANGER

NEVER operate the equipment in an explosive

atmosphere or near combustible materials. An

explosion or ﬁre could result causing severe

bodily harm or even death.

WARNING

NEVER disconnect any

emergency or safety devices.

These devices are intended for operator safety.

Disconnection of these devices can cause severe injury,

bodily harm or even death. Disconnection of any of these

devices will void all warranties.

DO NOT

use this machine on ground that is harder than

the machine can handle, or for driving pilings or tamping

rock beds. Furthermore, use of the machine on sloping

ground, such as the side of an embankment, may make

the machine unstable and can cause an accident. It can

also result in premature machine wear due to uneven

loads on the machine.

Use the machine with conﬁdence for tamping earth and

sand, soil, gravel, and asphalt. DO NOT

use the machine

for other types of jobs.

CAUTION

NEVER

lubricate components or attempt service on a

running machine.

NOTICE

ALWAYS keep the machine in proper running condition.



Fix damage to machine and replace any broken parts

immediately.

ALWAYS

store equipment properly when it is not being

used. Equipment should be stored in a clean, dry location

out of the reach of children and unauthorized personnel.

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PAGE 8 — MTX50HD RAMMER • OPERATION AND PARTS MANUAL — REV. #1 (10/05/18)

SAFETY INFORMATION

ENGINE SAFETY

DANGER



The engine fuel exhaust gases contain poisonous carbon

monoxide. This gas is colorless and odorless, and can

cause death if inhaled.



The engine of this equipment

requires an adequate free ﬂow

of cooling air. NEVER operate

this equipment in any enclosed

or narrow area where free ﬂow

of the air is restricted. If the air

ﬂow is restricted it will cause

injury to people and property

and serious damage to the

equipment or engine.

WARNING



DO NOT place hands or fingers inside engine

compartment when engine is running.



NEVER operate the engine with heat shields or

guards removed.



DO NOT remove the engine oil drain plug

while the engine is hot. Hot oil will gush

out of the oil tank and severely scald any

persons in the general area of the rammer.

CAUTION



NEVER touch the hot exhaust manifold,

mufﬂer or cylinder. Allow these parts to cool

before servicing equipment.

NOTICE



NEVER run engine without an air ﬁlter or with a dirty air

ﬁlter. Severe engine damage may occur. Service air ﬁlter

frequently to prevent engine malfunction.



NEVER tamper with the factory settings

of the engine or engine governor. Damage

to the engine or equipment can result

if operating in speed ranges above the

maximum allowable.

FUEL SAFETY

DANGER



DO NOT add fuel to equipment if it is placed inside truck

bed with plastic liner. Possibility exists of explosion or

ﬁre due to static electricity.

DO NOT

start the engine near spilled fuel or combustible

ﬂuids. Fuel is extremely ﬂammable and its vapors can

cause an explosion if ignited.

ALWAYS

refuel in a well-ventilated area, away from

sparks and open ﬂames.

ALWAYS

use extreme caution when working with

ﬂammable liquids.

DO NOT

ﬁll the fuel tank while the engine is running

or hot.

DO NOT

overﬁll tank, since spilled fuel could ignite if it

comes into contact with hot engine parts or sparks from

the ignition system.



Store fuel in appropriate containers, in well-ventilated

areas and away from sparks and ﬂames.

NEVER use fuel as a cleaning agent.

DO NOT smoke around or near the

equipment. Fire or explosion could result

from fuel vapors or if fuel is spilled on a

hot engine.

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MTX50HD RAMMER • OPERATION AND PARTS MANUAL — REV. #1 (10/05/18) — PAGE 9

SAFETY INFORMATION

TRANSPORTING SAFETY

CAUTION



NEVER allow any person or animal to stand underneath

the equipment while lifting.

NOTICE



Before lifting, make sure that the equipment parts (hook

and vibration insulator) are not damaged and screws are

not loose or missing.



Always make sure crane or lifting device has been

properly secured to the lifting bail (hook) of the

equipment.



ALWAYS shutdown engine before transporting.



NEVER lift the equipment while the engine is running.



Tighten fuel tank cap securely and close fuel cock to

prevent fuel from spilling.



Use adequate lifting cable (wire or rope) of sufﬁcient

strength.



Use one point suspension hook and lift straight

upwards.



DO NOT lift machine to unnecessary heights.



ALWAYS tie down equipment during transport by

securing the equipment with rope.



Never allow any person or animal to stand underneath the

equipment while lifting.

ENVIRONMENTAL SAFETY

NOTICE



Dispose of hazardous waste properly.

Examples of potentially hazardous waste

are used motor oil, fuel and fuel ﬁlters.



DO NOT use food or plastic containers to dispose of

hazardous waste.



DO NOT pour waste, oil or fuel directly onto the ground,

down a drain or into any water source.

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PAGE 10 — MTX50HD RAMMER • OPERATION AND PARTS MANUAL — REV. #1 (10/05/18)

SPECIFICATIONS

Table 1. Rammer Speciﬁcations

Overall Height 40.4 in. (1025 mm)

Overall Width 13.8 in. (350 mm)

Over Length 28.1 in. (713 mm)

Shoe Size (W x L) 10.4 x 13.4 in. (265 x 340 mm)

Fuel Tank Capacity 2.7 qt. (2.5 liters)

Lubrication Oil Capacity 0.37 qt. (0.35 liter)

No. of Impacts Per Second 644-695 (10.7 - 11.6 Hz)

Impact Force 2,316 lbf (10.3 kN)

Impact Plate Stroke 1.6 - 2.8 in. (40 - 70 mm)

Operating Weight 129 lbs. (59 kg)

Table 2. Engine Speciﬁcations

Model Honda GX100RTKRBF Engine

Type Air-Cooled 4 Stroke, Overhead camshaft,

single cylinder gasoline engine

Piston Displacement 6.0 cu.in. (98 cc)

Max. Output 2.8 hp/3,600 rpm (2.1 KW)

Max. Governed Speed, No Load 3,800 - 4,100 rpm

Cooling System Air-Cooled

Engine Oil Capacity 0.3 qt. (0.28 liters)

Fuel Unleaded gasoline

Lubricant for Engine Automobile Oil; Class SE or higher

Starting System Recoil Starter

Spark Plug Type NGK CR5HSB

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