Multiquip manual MT-74FA -TROUBLESHOOTING Guide

Page 20

MT-74FA —TROUBLESHOOTING GUIDE

TABLE 4. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

Difficult to start

 

 

 

 

 

 

Ignition plug being bridge?

Check ignition system.

 

 

 

Fuel is available but spark plug

Carbon deposit at ignition?

Clean or replace ignition.

 

 

will not ignite. (Power available

Short circuit due to defective

Replace insulators.

at high tension cable).

insulators?

 

 

 

 

 

 

 

Improper spark gap?

Set spark plug gap to the correct gap.

 

 

 

Fuel is available but spark plug

Short circuit at stop switch?

Check stop switch circuit. Replace stop switch if defective.

will not ignite. (Power NOT

 

 

 

 

available at high tension cable).

Ignition coil defective?

Replace ignition coil.

 

 

 

 

Muffler clogged with carbon

Clean or replace muffler.

 

deposits?

 

Fuel is available and spark plug

 

 

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

ignites (compression normal).

dust)?

 

 

 

 

 

 

 

Air Cleaner clogged?

Clean or replace air cleaner.

 

 

 

 

Defective cylinder head gasket?

Tighten cylinder head bolts or replace head gasket.

Fuel is available and spark plug

 

 

Cylinder worn?

Replace cylinder.

ignites (compression low ).

 

 

 

Spark plug loose?

Tighen spark plug.

 

 

 

Operation not satisfactory

 

 

 

 

 

 

Air cleaner clogged?

Clean or replace air cleaner.

Not enough power available

 

 

 

 

(compression normal, no

Air in fuel line?

Bleed (remove air) from fuel line.

misfiring).

 

 

Carbon deposits in cylinder?

Clean or replace cylinder.

 

 

 

 

 

Ignition coil defective?

Flush fuel sytem and replace with fresh fuel.

 

 

 

Not enough power available

Ignition plug often shorts?

Replace ignition wires, clean ignition.

(compression normal, misfiring).

 

 

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

 

 

dust)?

 

 

 

 

 

Mined fuel quality is inadequate?

Check fuel to oil mixture.

 

 

 

 

Excessive carbon deposits in

Clean or replace crankcase.

Engine overheats.

combustion chamber?

 

 

 

Exhaust or muffler clogged with

Clean or replace muffler.

 

 

carbon?

 

 

 

 

 

Spark plug heat value incorrect?

Replace spark plug with correct type spark plug.

 

 

 

PAGE 20 — MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07)

Page 19 Page 21
Image 20
Page 19 Page 21
Contents Model MT-74FA MT-74FA Proposition 65 Warning MT-74FA Operation and Parts Manual REV. #3 11/08/07 MT-74FA -TABLE of Contents Best Deal! Order via Internet Dealers Only Order via Fax Dealers OnlyMT-74FA Safety Message Alert Symbols MT-74FA Safety Message Alert Symbols Rotating Parts HazardsMT-74FA Rules for Safe Operation MT-74FA Rules for Safe Operation TransportingMT-74FA Operation and Safety Decals Machine Safety DecalsMT-74FA Operation and Safety Decals Definition of Tamping Rammer Construction of Tamping RammerRammer Gearbox and Spring Cylinder ControlsMT-74FA Specifications MT-74FA Controls and Components MT-74FA RammerMT-74FA Basic Engine Rammer Gearbox and Spring Cylinder Oil Bath EngineInspection Initial Start-upOperation Stopping The EngineLong Term Storage Maintenance200 300 Hours Pre-Cleaner MT-74FA -TROUBLESHOOTING Guide MT-74FA -TROUBLESHOOTING Guide Operation not satisfactoryExplanation of Code in Remarks Column NO. ColumnPart NO. Column QTY. ColumnMT-74FA Suggested Spare Parts MT-74FA Rammer 3TO 5 UnitsMT-74FA- Nameplate and Decal MT-74FA- Nameplate and Decal Decal MikasaMT-74FA Crankcase and Engine Assy Crankcase and Engine Assy Part Name MT-74FA Crankcase and Engine Assy Part Name MT-74FA Guide Cylinder and Foot Assy Sunk Head Bolt 12X95 H MT-74FA -TANK and Handle Assy Part Name QTY Remarks Robin EH-12-2D46420 Engine Crankcase and Cylinder Assy Robin EH-12-2D46420 Engine Crankcase and Cylinder Assy Robin EH-12-2D46420 Engine Crankshaft and Piston Assy Robin EH-12-2D46420 Engine Crankshaft and Piston Assy ROBINEH-12-2D46420ENGINE-MUFFLER,AIR CLEANER,CAM&CARB.ASSY ROBINEH-12-2D46420ENGINE-MUFFLER,AIR CLEANER,CAM&CARB.ASSY Robin EH-12-2D46420 Engine Governor Assy Governor Lever CP Robin EH-12-2D46420 Engine -RECOIL Starter and Blower Assy DECAL, M-MARK Robin EH-12-2D46420 Engine Magneto Assy Flywheel CP Robin EH-12-2D46420 Engine Carburetor Assy Screen Inlet Terms and Conditions of Sale Parts Freight PolicyMT-74FA Operation and Parts Manual REV. #3 11/08/07 Heres HOW to GET Help

MT-74FA specifications

The Multiquip MT-74FA is a cutting-edge, reliable compactor designed for construction and landscaping professionals seeking top-notch performance in soil compaction. This machine stands out for its exceptional engineering, versatility, and user-friendly features. As a part of the Multiquip brand, which has a reputation for manufacturing durable construction equipment, the MT-74FA embodies quality and efficiency.

One of the main features of the MT-74FA is its powerful and efficient engine. It is equipped with a high-performance, fuel-efficient engine that delivers robust power while maintaining low emissions. This not only ensures compliance with environmental regulations but also reduces operating costs for users.

The MT-74FA is designed with an advanced hydraulic system, providing seamless operation and improved control. The hydraulic system allows for precise adjustments in compaction force, enabling operators to adapt to various soil types and conditions. This versatility is crucial for achieving optimal results whether dealing with cohesive, granular, or mixed soils.

Another notable characteristic of the MT-74FA is its exceptional compacting width. With an expansive drum, it covers a larger area compared to traditional compactors, allowing for greater efficiency on job sites. This feature is particularly beneficial in larger projects where time and productivity are of the essence.

The MT-74FA's innovative vibration system also merits attention. The machine employs an advanced dual-frequency vibration mechanism to enhance compaction performance. This dual-frequency system allows operators to switch between frequencies, optimizing the compaction process for different materials. This makes it a versatile solution for a variety of tasks such as backfilling trenches, pre-paving preparation, and improving soil stability.

User comfort and safety are also a priority with the MT-74FA. The ergonomically designed operator's platform features intuitive controls, providing ease of use even for those who may be new to operating compactors. Additionally, the machine is equipped with safety features such as emergency stop buttons and protective guards to ensure a secure working environment.

In conclusion, the Multiquip MT-74FA is an outstanding compaction machine that integrates advanced technologies, powerful performance, and user-friendly features. Ideal for contractors and construction crews, it delivers the reliability and efficiency needed to meet the demands of modern construction and landscaping projects. With its robust design and innovative features, the MT-74FA is undeniably a valuable asset for any construction fleet.
Top Page Image Contents