MULTIQUIP MC44SH Operation And Parts Manual
  1. Manuals
  2. Brands
  3. MULTIQUIP Manuals
  4. Construction Equipment
  5. MC44SH
  6. Operation and parts manual

MULTIQUIP MC44SH Operation And Parts Manual

Concrete mixer
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
OPERATION AND PARTS MANUAL
MODEL
MC44SH
MC44SE
CONCRETE MIXER
(
GASOLINE ENGINES)
HONDA GX120 SERIES
Revision #10 (08/30/19)
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

Advertisement

Table of Contents
loading

Related Manuals for MULTIQUIP MC44SH

Summary of Contents for MULTIQUIP MC44SH

  • Page 1 OPERATION AND PARTS MANUAL MODEL MC44SH MC44SE CONCRETE MIXER GASOLINE ENGINES) HONDA GX120 SERIES Revision #10 (08/30/19) THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
  • Page 2 We sell worldwide for the brands: Genie, Terex, JLG, MultiQuip, Mikasa, Essick, Whiteman, Mayco, Toro Stone, Diamond Products, Generac Magnum, Airman, Haulotte, Barreto,...

  • Page 3: Fuel And Chemical Exposure Warnings

    FUEL AND CHEMICAL EXPOSURE WARNINGS Gasoline engine exhaust and some of its constituents, and some dust created by power sanding, sawing, grinding, drillingandotherconstructionactivities contains chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. Some examples of these chemicals are: Leadfromlead-basedpaints.

  • Page 4: Silicosis/Respiratory Warnings

    SILICOSIS/RESPIRATORY WARNINGS WARNING WARNING SILICOSIS WARNING RESPIRATORY HAZARDS Grinding/cutting/drilling of masonry, concrete, metal and Grinding/cutting/drilling of masonry, concrete, metal and other materials with silica in their composition may give other materials can generate dust, mists and fumes off dust or mists containing crystalline silica. Silica is a containing chemicals known to cause serious or fatal basic component of sand, quartz, brick clay, granite and injury or illness, such as respiratory disease, cancer,...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS MC44S Concrete Mixer Component Drawings Nameplate and Decals Assembly ....38–39 Fuel and Chemical Exposure Warnings ....2 Steel Barrel Assembly ........40–41 Silicosis/Respiratory Warnings ........ 3 Main Frame Assembly ........42–43 Table of Contents ............. 4 Axle Assembly ..........
  • Page 6 NOTES MC44S CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #10 (08/30/19) — PAGE 5...

  • Page 7: Training Checklist

    TRAINING CHECKLIST Training Checklist Description Date Read operation manual completely. Machine layout, location of components, checking of engine oil levels. Fuel system, refueling procedure. Operation of controls (machine not running). Safety controls, safety stop switch operation. Emergency stop procedures. Machine transport and storage. PAGE 6 —...

  • Page 8: Safety Information

    SAFETY INFORMATION Do not operate or service the equipment before reading Potential hazards associated with the operation of this the entire manual. Safety precautions should be followed equipment will be referenced with hazard symbols which at all times when operating this equipment. may appear throughout this manual in conjunction with Failure to read and understand the safety safety messages.
  • Page 9 „ NEVER use accessories or attachments that are not „ Avoid wearing jewelry or loose-fi tting clothes that may recommended by Multiquip for this equipment. Damage snag on the controls or moving parts as this can cause to the equipment and/or injury to the user may result.
  • Page 10 SAFETY INFORMATION ENGINE SAFETY (GASOLINE MODELS ONLY) WARNING „ NEVER place your hands inside the drum DANGER while starting or operating this equipment. „ Engine fuel exhaust gases contain poisonous carbon „ NEVER disconnect any emergency monoxide. This gas is colorless and odorless, and can or safety devices.
  • Page 11 SAFETY INFORMATION FUEL SAFETY (GASOLINE MODELS ONLY) Power Cord/Cable Safety DANGER DANGER „ DO NOT start the engine near spilled fuel or combustible „ NEVER let power cords or cables lay in water. fl uids. Fuel is extremely fl ammable and its vapors can „...
  • Page 12 SAFETY INFORMATION TOWING SAFETY ENVIRONMENTAL SAFETY/DECOMMISSIONING CAUTION NOTICE „ In addition to meeting Department of Transportation Decommissioning is a controlled process used to safely (DOT) safety towing regulations, check your local retire a piece of equipment that is no longer serviceable. county or state safety towing regulations before towing If the equipment poses an unacceptable and unrepairable the mixer.
  • Page 13 SAFETY INFORMATION EMISSIONS INFORMATION NOTICE The gasoline engine used in this equipment has been designed to reduce harmful levels of carbon monoxide (CO), hydrocarbons (HC) and nitrogen oxides (NOx) contained in gasoline exhaust emissions. This engine has been certifi ed to meet US EPA evaporative emissions requirements in the installed confi guration.

  • Page 14: Mixer Specifications/Noise And Vibration

    MIXER SPECIFICATIONS/NOISE AND VIBRATION LENGTH HEIGHT WIDTH Figure 1. Dimensions Table 1. MC44S Specifications/Dimensions Height 60 in. (1,525 mm) Width 51 in. (1,296 mm) Length 66 in. (1,677 mm) Maximum Mixing Capacity 4 cu. ft. (113 liters) Bag Capacity (1/3 to 1/2 bag) Weight - With Engine/ 495 lbs.

  • Page 15: Engine/Electric Motor Specifications

    ENGINE/ELECTRIC MOTOR SPECIFICATIONS Table 3. Engine/Electric Motor Specifications HONDA GX120K1QX2/GX120U1QX2 Model Baldor 34F324-5596 GX120UT1QX2 Air-cooled 4 stroke, Single Cylinder, OHV, 1/2 HP, Single-phase 120 VAC, Type Horizontal Shaft Gasoline Engine Electric Motor 2.7 in. X 1.7 in. Bore X Stroke (60 mm x 42 mm) Displacement 7.3 cu.

  • Page 16: General Information

    GENERAL INFORMATION APPLICATION Table 5. Hardware Torque Recommendations Hardware Diameter Torque (ft-lbs) This mixer is only intended for the production of concrete. The mixer must be used for its intended purpose and is 5/16-inch x 18 not suitable for the mixing of flammable or explosive 3/8-inch x 16 substances.

  • Page 17: Basic Components (Mixer)

    BASIC COMPONENTS (MIXER) 6. Safety Chain — This mixer uses a 3/16-inch thick, 72-inches long zinc-plated saftey chain. ALWAYS connect the safety chain when towing. 7. Tow Bar — This mixer uses various towing bars, please reference the frame assembly drawing and parts list in this manual to determine which tow bar meets your requirements.

  • Page 18: Engine Components

    ENGINE COMPONENTS 3. Engine On/Off Switch – ON position permits engine starting, OFF position stops engine operation. 4. Recoil Starter (pull rope) – Manual-starting method. Pull the starter grip until resistance is felt, then pull briskly and smoothly. 5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop the flow of fuel.

  • Page 19: Electric Motor Components

    ELECTRIC MOTOR COMPONENTS ELECTRIC MOTOR The electric motor supplied with the mixer is configured from the factory for 120 VAC grounded operation. For lubrication care and operation of the electric motor, Motors can burn out when the line voltage falls 10% below the refer to your electric motor instruction booklet furnished voltage rating of the motor.

  • Page 20: Towing Guidelines

    TOWING GUIDELINES TOWING SAFETY PRECAUTIONS „ ALWAYS make sure that the fuel valve lever is in the OFF position (gasoline models only). CAUTION „ Check wheel mounting lug nuts with a torque wrench. Check with your county or state safety towing Torque wheel lug nuts as described in the maintenance regulations department before towing your mixer.

  • Page 21: Safety Chain Connection

    SAFETY CHAIN CONNECTION 4. Loop (cross) the safety chain (Figure 8) and place CAUTION under the tow bar. Secure the loop with the safety NEVER tow the mixer with the safety chain removed. chain connector link. The safety chain is intended to prevent complete separation of the mixer from the towing vehicle in the event of a tow bar failure.

  • Page 22: Inspection

    INSPECTION BEFORE STARTING 5. I NOTICE 1. Read all safety instructions at the beginning of manual. Reference engine manufacturer’s manual for specific servicing instructions. 2. Clean the unit, removing dirt and dust, particularly the engine cooling air inlet, carburetor and air cleaner. 3.
  • Page 23 INSPECTION TIRES OIL SOAKED Check for worn or defective tires (Figure 12). Replace any defective or worn tires immediately. BALDNESS CORD FAILURE GLAZED WORN BACK COVER BROKEN MISSING MISSING RUBBER RUBBER CRACKS SIDEWALL WEAR CRACKS Figure 13. V-Belt Inspection DEFORMED Figure 12.

  • Page 24: Start-Up

    START-UP This section is intended to assist the operator with the initial 3. Move the throttle lever (Figure 16) away from the slow start-up of the unit. It is extremely important that position, about 1/3 of the way toward the fast position. this section be read carefully before attempting to use the mixer in the field.
  • Page 25 START-UP 6. Pull the starter grip (Figure 19) lightly until you feel STARTING THE MIXER (ELECTRIC MOTOR) resistance, then pull briskly. Return the starter grip The following steps outline the procedure for starting the gently. electric motor. 1. Using an adequate size extension cord (Table 7), connect one end of the extension cord to the plug on the electric motor, connect the other end to the power source.

  • Page 26: Operation

    OPERATION MIXING 1. To position the tub, make sure the mixer is placed on firm level ground, then pull up on the dump latch (Figure 21) and turn the hand wheel until the tub is at the desired position. Once the tub is at the desired position, pull down on the dump latch to lock the tub in position.
  • Page 27 OPERATION STOPPING THE MIXER (GASOLINE ENGINE) STOPPING THE MIXER (ELECTRIC MOTOR) 1. Place the throttle lever (Figure 24) in the slow (idle) 1. To stop the electric motor, move the ON/OFF switch position, and let the engine idle 3~5 minutes. to the OFF position (Figure 26).

  • Page 28: Maintenance (Engine)

    MAINTENANCE (ENGINE) Use Table 8 as a general maintenance guideline when servicing your engine. For more detail engine maintenance information, refer to the engine owner’s manual supplied with your engine. Table 8. Engine Maintenance Schedule EVERY FIRST EVERY 3 EVERY 6 EVERY 2 DESCRIPTION YEAR...
  • Page 29 MAINTENANCE (ENGINE) MAINTENANCE SPARK PLUG Perform the scheduled maintenance procedures as defined 1. Remove and clean the spark plug (Figure 28), then by Table 8 and below: adjust the spark gap to 0.024 ~0.028 inch (0.6~0.7 mm). This unit has electronic ignition, which requires DAILY no adjustments.
  • Page 30 MAINTENANCE (ENGINE) ENGINE AIR CLEANER SPARK ARRESTER CLEANING 1. Remove the air cleaner cover and foam filter element Clean the spark arrester every 6 months or 100 hours. as shown in Figure 30. 1. Remove the 4 mm screw (3) from the exhaust deflector 2.
  • Page 31 We sell worldwide for the brands: Genie, Terex, JLG, MultiQuip, Mikasa, Essick, Whiteman, Mayco, Toro Stone, Diamond Products, Generac Magnum, Airman, Haulotte, Barreto,...

  • Page 32: Maintenance (Mixer)

    MAINTENANCE (MIXER) BALL SOCKET AND CLAMP FACE 2. Use Poleyrex EM (Exxon Mobil) or equalivant lubricant. Clean grease fitting, apply grease gun to fitting (1/2 1. If the towing vechicle is equipped with a ball socket, shot). Remember too much grease or injecting grease too quickly can cause premature bearing failure.
  • Page 33 MAINTENANCE (MIXER) MIXER CLEANING WARNING It is important that the drum interior is free of dried material. DO NOT attempt to repair or modify a wheel. Obstructions can cause the paddle blades to lock against DO NOT install an inter-tube to correct a leak the drum.
  • Page 34 MAINTENANCE (MIXER) SUSPENSION The rigid suspension and associated components (Figure 37) should be visually inspected every 6,000 miles for signs of excessive wear, elongation of bolt holes, and loosening of mounting bracket. Replace any damaged suspension 4-LUG NUTS 5-LUG NUTS component immediately.
  • Page 35 TROUBLESHOOTING (MIXER) Troubleshooting (Mixer) Symptom Possible Problem Solution Check that the ring gear and bearings Defective ring gear? are not worn . Replace as necessary. Check that the pinion gear and Defective pinion gear? bearings are not worn . Replace as Drum rotates rough.

  • Page 36: Troubleshooting (Engine)

    TROUBLESHOOTING (ENGINE) Troubleshooting (Engine) Symptom Possible Problem Solution Spark plug bridging? Check gap, insulation or replace spark plug. Carbon deposit on spark plug? Clean or replace spark plug. Short circuit due to defi cient spark plug Check spark plug insulation, replace if worn. insulation? Improper spark plug gap? Set to proper gap.
  • Page 37 TROUBLESHOOTING (ENGINE) Troubleshooting (Engine) - continued Symptom Possible Problem Solution Air cleaner dirty? Clean or replace air cleaner. Improper level in carburetor? Check fl oat adjustment, rebuild carburetor. Weak in power, compression is proper and does not misfi re. Defective spark plug? Clean or replace spark plug.

  • Page 38: Explanation Of Code In Remarks Column

    A blank entry generally indicates that the item is not sold assembly/kit that can be purchased, or is not available separately or is not sold by Multiquip. Other entries will for sale through Multiquip. be clarified in the “Remarks” Column.

  • Page 39: Suggested Spare Parts

    SUGGESTED SPARE PARTS MC-44S CONCRETE MIXER 1 TO 4 UNITS WITH HONDA GX120 SERIES ENGINES Qty. Description 2....EM507846 ....V-BELT A50 1....29173-001 ....STOP BUTTON W/GAS ENGINE 2....491010 ....LATCH SET 1....500904 ....EXPANSION PLUG 2....EM903017 ....SPINDLE BEARING CUP 2....EM903054 ....SPINDLE BEARING CONES 1....EM505472 ....SPACER, DRUM 2....EM914288 ....SEAL, AXLE 2....EM903012 ....BEARING CUP 2....EM903113 ....BEARING CONE...
  • Page 40 NAMEPLATE AND DECALS ASSY. SAFETY INSTRUCTIONS 1. Read owner’s manual before operating. 2. Keep unauthorized and untrained people away from machine during operation. 3. Make sure all safety devices are in place before this machine is started. 4. Make sure engine is turned off and spark plug wire is disconnected before cleaning the machine.
  • Page 41 NAMEPLATE AND DECALS ASSY. PART NO. PART NAME QTY. REMARKS 948630 DECAL, PUSH TO STOP 518524 DECAL, ISO 9001:2000, EXPORT 512910 MQ MULTIQUIP LOGO 520935 DECAL, SAFETY INSTRUCTIONS 13118 DECAL, POWDER COATED NAMEPLA TE .............1....CONTACT DISCOUNT-EQUIPMENT 491757 POP RIVET 521232 DECAL, TOWING INSTRUCTIONS...
  • Page 42 STEEL BARREL ASSY. PAGE 40 — MC44S CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #10 (08/30/19)
  • Page 43 STEEL BARREL ASSY. PART NO. PART NAME QTY. REMARK 500904 501867 KING PIN EM903054 SPINDLE BEARING 5/8" CONE ......2....REPLACES 492154 EM903017 SPINDLE BEARING CUP ........2....REPLACES 492233 504096 RING GEAR EM963610 BOLT 3/8" NC 1-1/4" G5 501061 BARREL, STEEL 4 CU. FT. 511732 SHIM 0.25 THICK 511731...
  • Page 44 MAIN FRAME ASSY. CHAIN & LINK STYLE STYLE Quantity of item 19, Connector Link, changed from 2 to 1 in January 2006. Item 19A, Clevis Safety Hook, replaces discontinued Connector Link. PAGE 42 — MC44S CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #10 (08/30/19)
  • Page 45 MAIN FRAME ASSY. PART NO. PART NAME QTY. REMARK 501844 GUARD, GEAR WHEEL 2101402 WASHER, LOCK 1/4" 492284 ROUND HEAD BOLT 1/4" NC 3/8 G2" ....4....REPLACES 492279 502017 DUMP GEAR EM969013 NUT, LOCK 3/8" NC 490896 DUMP LATCH EM963610 BOLT 3/8" NC X 1-1/2" G5 491008 GREASE CAP EM916001...
  • Page 46 AXLE ASSY. NOTES: COMPLETE HUB ASSEMBLY INCLUDES ITEMS WITHIN DASHED LINES, AND ALSO INCLUDES ITEMS 12 AND 13. PAGE 44 — MC44S CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #10 (08/30/19)
  • Page 47 AXLE ASSY. PART NO. PART NAME QTY. REMARK 492584 LOCK NUT 1/2" NC 492394 BOLT 1/2" NC 1-1/2" G5 EM914288 OIL SEAL EM903113 BEARING CONE EM903012 BEARING CUP EM941306 HUB ASSY., 4-BOLT (1-1/16" SPINDLE) ...2....INCLUDES ITEMS W/ # EM511159 WASHER, FLAT, .087" THICKNESS EM501299 WASHER, FLAT, .135"...
  • Page 48 CABINET ASSY. NOTES: COMPLETE LATCH ASSEMBLY INCLUDES ITEMS WITHIN DASHED LINES. ITEMS CANNOT BE PURCHASED SEPARATELY. PAGE 46 — MC44S CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #10 (08/30/19)
  • Page 49 CABINET ASSY. PART NO. PART NAME QTY. REMARKS 490202 RUBBER PROTECTOR 514771 ENGINE HOUSING CABINET W/DECALS ..1....INCLUDES ITEM W/ # REPLACES P/N 514648 492375 BOLT 3/8" NC X 1" G5 EM923023 WASHER, FLAT 5/16" 13287 LOCK NUT 8-32 ..........6....REPLACEMENT PART ONLY 2203 WASHER, FLAT #10 ..........6....REPLACEMENT PART ONLY 1307...
  • Page 50 GAS ENGINE MOUNTING PLATE ASSY. PAGE 48 — MC44S CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #10 (08/30/19)
  • Page 51 GAS ENGINE MOUNTING PLATE ASSY. PART NO. PART NAME QTY. REMARKS GX120UT1QX2 ENGINE, HONDA 3.9 HP REPLACES GX120K1QX2 .....................GX120U1QX2 ENGINES 490956 RING, RETAINING 500246 SQUARE KEY 1/4 X 35 MM EM961045 SET SCREW 5/16" NC X 3/4" 492066 UPPER PULLEY 501019 SQUARE KEY 3/16"...
  • Page 52 ELECTRIC MOTOR MOUNTING PLATE ASSY. NEMA L5-20P TWIST-LOCK PAGE 50 — MC44S CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #10 (08/30/19)
  • Page 53 ELECTRIC MOTOR MOUNTING PLATE ASSY. PART NO. PART NAME QTY. REMARKS 34F3245596 MOTOR, ELECTRIC .5 HP 490956 RING, RETAINING 500246 SQUARE KEY 3/16" X 45 MM EM961045 SET SCREW 5/16" NC X 3/4" 492066 UPPER PULLEY 501019 SQUARE KEY 3/16" X 45 MM EM507846 V-BELT A-50 492467...

  • Page 54: Engine Service Parts

    ENGINE SERVICE PARTS PAGE 52 — MC44S CONCRETE MIXER • OPERATION AND PARTS MANUAL — REV. #10 (08/30/19)
  • Page 55 ENGINE SERVICE PARTS PART NO. PART NAME QTY. REMARKS 1♦ 17218ZE0505 FILTER, OUTER 1♣◊ 17218ZE0821 FILTER, OUTER 2♦ 17210ZE0505 AIR CLEANER ELEMENT 2♣◊ 17210ZE0822 AIR CLEANER ELEMENT 3♦ 17620ZH7023 TANK CAP ............1....INCLUDES ITEM W/% 3♣ 17620Z0T305 TANK CAP ............1....INCLUDES ITEM W/$ 3◊...
  • Page 56 We sell worldwide for the brands: Genie, Terex, JLG, MultiQuip, Mikasa, Essick, Whiteman, Mayco, Toro Stone, Diamond Products, Generac Magnum, Airman, Haulotte, Barreto,...

This manual is also suitable for:

Mc44se

Table of Contents