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OPERATION AND PARTS MANUAL
MC-44S
CONCRETE MIXER
Revision #8 (09/15/11)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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MC-44S CONCRETE MIXER — PROPOSITION 65 WARNING
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NOTE PAGE MC-44S CONCRETE MIXER — OPERATION & PARTS MANUAL — REV. #8 (09/15/11) — PAGE 3
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MC-44S CONCRETE MIXER — TABLE OF CONTENTS Componet Drawings MULTIQUIP MC-44S Nameplate and Decals....................................... 34-35 Concrete Mixer Mixer Assembly (Steel Drum) ............................ 36-37 Proposition 65 Warning ............................................. 2 Main Frame Assembly ....................................... 38-39 Table Of Contents ..................................................... 4 Axle Assembly ....................................................
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PARTS ORDERING PROCEDURES Ordering parts has never been easier! Choose from three easy options: Effective: st January 1 , 2006 Best Deal! Order via Internet (Dealers Only): If you have an MQ Account, to obtain a Username Order parts on-line using Multiquip’s SmartEquip website! and Password, E-mail us at: parts@multiquip. com. ■ View Parts Diagrams To obtain an MQ Account, contact your ■ Order Parts District Sales Manager for more information. ■ Print Specification Information Use the int
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MC-44S CONCRETE MIXER — SPECIFICATIONS Table 1. Specifications (Engine/Electric Motor) M2 odelH6 ONDA GX120K1QX Baldor 34F324-559 Air-cooled 4 stroke, Single 1/2 HP, Single-phase 115 Type Cylinder, OHV, Horizontal Shaft VAC, Electric Motor Gasoline Engine 2.7 in. X 1.7 in. Bore X Stroke N/A (60 mm x 42 mm) D) isplacement7A .3 cu. in. (119 cc N/ Mm ax Output3. .9 H.P./3,600 rp 1/2 HP/1725 R.P.M Engine/Electric Motor F) uel Tank Capacity0A .63 U.S. Gallons (0.60 Liters N/ Fe uelUA nleaded Automobi
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MC-44S CONCRETE MIXER — DIMENSIONS (MIXER) See Table 2 for mixer dimensions Figure 1. Mixer Dimensions MC-44S CONCRETE MIXER — OPERATION & PARTS MANUAL — REV. #8 (09/15/11) — PAGE 7
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MC-44S CONCRETE MIXER — SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS! HAZARD SYMBOLS Safety precautions should be followed at all times when Rotating Parts operating this equipment. Failure to read and understand the Safety Messages and Operating Instructions could result in injury to yourself and others. This Owner's Manual has been NEVER operate equipment with covers, or developed to provide complete guards removed. Keep fingers, hands, hair and instructions for the
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MC-44S CONCRETE MIXER — RULES FOR SAFE OPERATION ■ NEVER touch the hot exhaust manifold, DANGER: muffler or cylinder. Allow these parts to Failure to follow instructions in this manual may cool before servicing engine or mixer. lead to serious injury or even death! This equipment is to be operated by trained and qualified personnel only! This equipment is for industrial use only. The following safety guidelines should always be used when operating the Multiquip MC-44S Concrete Mixer: ■ High Tem
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MC-44S CONCRETE MIXER — RULES FOR SAFE OPERATION ■ NEVER run engine without air cleaner. Severe engine damage ■ NEVER disconnect any "emergency or safety devices". may occur. These devices are intended for operator safety. Disconnection of these devices can cause severe injury, bodily harm or even ■ ALWAYS read, understand, and follow procedures in death! Disconnection of any of these devices will void all Operator’s Manual before attempting to operate equipment. warranties. ■ ALWAYS be sure
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MC-44S CONCRETE MIXER — OPERATION AND SAFETY DECALS Machine Safety Decals The Multiquip MC-44S mixer is equipped with a number of safety decals (Figure 1A). These decals are provided for operator safety and maintenance information. The illustration below and on the next page shows these decals as they appear on the machine. Should any of these decals become unreadable, replacements can be obtained from your dealer. Figure 1A. MC-44S Mixer Decals MC-44S CONCRETE MIXER — OPERATION & PARTS MANU
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MC-44S CONCRETE MIXER — GENERAL INFORMATION Application Ensure that the extension cable is carefully laid out avoid- ing wet areas, sharp edges and locations where vehicles This mixer is only intended for the production of concrete. might run over it. Avoid allowing the extension cable to be The mixer must be used for its intended purpose and is not trapped underneath the mixer. suitable for the mixing of flammable or explosive substances. The mixer must not be used in an explosive Unroll the e
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MC-44S CONCRETE MIXER — MIXER BASIC COMPONENTS Figure 2. Mixer Major Components 1. Steel Mixing Drum — The Multiquip MC-44S concrete 8. Rigid Suspension — This mixer uses a rigid type mixer uses a 4 cu. ft steel mixing drum. This drum is to be suspension. Check the mounting hardware for bolt hole used for mixing of concrete. Always clean the drum after elongation and tightness. See maintenance section of this each use. DO NOT use this mixing drum for the mixing of manual for recommended mai
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MC-44S CONCRETE MIXER — BASIC ENGINE COMPONENTS Honda GX Series Engine Shown Figure 3. Engine Controls and Components INITIAL SERVICING 5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop the flow of fuel. The engine (Figure 3) must be checked for proper lubrication and 6. Choke Lever – Used in the starting of a cold engine, or in filled with fuel prior to operation. Refer to the manufacturers Engine cold weather conditions. The choke enriches the fuel manual for instructions & details
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MC-44S CONCRETE MIXER — HANDWHEEL ASSEMBLY Assembly The Multiquip MC-44S concrete mixer is shipped with the handwheel detached. Attach the handwheel to the mixer as shown in Figure 4. Figure 4. Handwheel Assembly MC-44S CONCRETE MIXER — OPERATION & PARTS MANUAL — REV. #8 (09/15/11) — PAGE 15
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MC-44S CONCRETE MIXER — TOWING GUIDELINES ■ Check wheel mounting lug nuts with a torque wrench. Towing Safety Precautions Torque wheel lug nuts as described in the maintenance CAUTION: CAUTION: section of this manual. CAUTION: CAUTION: CAUTION: ■ Check tightness of U-clamp nuts, torque suspension ■ Check with your county or state safety hardware as referenced in the maintenance section of this towing regulations department before manual. towing your mixer. ■ Avoid sudden stops and starts. This
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MC-44S CONCRETE MIXER — SAFETY CHAIN CONNECTION 2. Route the safety chain through the holes just above the CAUTION: CAUTION: CAUTION: CAUTION: CAUTION: tow bar, located on each side of the mixer stand. NEVER ! tow the mixer with the safety chain Loop the chain together and place under the tow bar. removed. The safety chain is intended to Secure the loop with the connector link. prevent complete separation of the mixer from the towing vehicle in the event of a tow bar 3. Extend the safety chain
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MC-44S CONCRETE MIXER — ELECTRIC MOTOR Electric Motor Table 5. Recommended Extension Cord Sizes For maintenance care and operation of the electric motor, refer to your electric motor instruction booklet furnished with the electric Electric Input 50 ft. 75 ft. 100 ft. 200 ft. motor. Motor Voltage (15.24 m) (22.86 m) (30.48 m) (60.96 m) Protect the electric motor from dust as much as possible and keep ventilating openings clean. 1C /2 HP12 15 VAN0 o. 1 N8 o. 1 N6 o. No. CAUTION: ■ DO NOT spray wat
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MC-44S CONCRETE MIXER — ELECTRIC MOTOR Figure 6. Single Phase Electric Motor with 12 inch Pigtail Cable MC-44S CONCRETE MIXER — OPERATION & PARTS MANUAL — REV. #8 (09/15/11) — PAGE 19
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MC-44S CONCRETE MIXER — PRE-INSPECTION (GAS ENGINE) Before Starting Table 6. Oil Type 1. Read safety instructions at the beginning of manual. Season Temperature Oil Type 2. Clean the mixer, removing dirt and dust, particularly the Summer 25°C or Higher SAE 10W-30 engine cooling air inlet, carburetor and air cleaner. Spring/Fall 25°C~10°C SAE 10W-30/20 3. Check the air filter for dirt and dust. If air filter is dirty, replace Winter 0°C or Lower SAE 10W-10 air filter with a new one as required
