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PARTS AND OPERATION MANUAL
A DIVISION OF MULTIQUIP INC.
PLASTER/MORTAR MIXER
MS20H (Steel-Gasoline)
MS20E (Steel-Electric)
Effective S/N SEC55001
Revision #3 (08/10/06)
STOW CONSTRUCTION EQUIPMENT PARTS DEPARTMENT:
A DIVISION OF MULTIQUIP INC. 800-427-1244
POST OFFICE BOX 6254 FAX: 800-672-7877
A DIVISION OF MULTIQUIP INC.
CARSON, CALIFORNIA 90749 SERVICE DEPARTMENT/TECHNICAL ASSISTANCE:
310-537-3700 • 888-252-STOW [888-252-7869] 800-478-1244
FAX: 310-537-1986 � FAX: 800-556-1986 FAX: 310
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Engine exhaust and some of itsconstituents,andsomedustcreated by power sanding, sawing, grinding, drillingandotherconstructionactivities containschemicalsknowntotheState of California to cause cancer, birth defects and other reproductive harm. Someexamplesofthesechemicalsare: Leadfromlead-basedpaints. Crystallinesilicafrombricks. Cementandothermasonryproducts. Arsenicandchromiumfromchemically treatedlumber. Yourriskfromtheseexposuresvaries, dependingonhowoftenyoudothistype of work.To reduce your
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HERE'S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING PARTS DEPARTMENT 800-427-1244 or 310-537-3700 FAX: 800-672-7877 or 310-637-3284 SERVICE DEPARTMENT/TECHNICAL ASSISTANCE 800-478-1244 or 310-537-3700 FAX: 310- 537-4259 WARRANTY DEPARTMENT 888-661-4279, or 310-661-4279 FAX: 310- 537-1173 MAIN 800-421-1244 or 310-537-3700 FAX: 310-537-3927 MQ STOW MS20H/MS20E MIXER — PARTS & OPERATION MANUAL — REV. #3 (08/10/06) — PAGE 3
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TABLE OF CONTENTS Here's How To Get Help ........................................... 3 HONDA GX240K1HA2 ENGINE Table Of Contents .................................................... 4 Air Cleaner Assembly........................................ 52-53 Parts Ordering Procedures ...................................... 5 Camshaft Assembly .......................................... 54-55 Safety Messages Alert Symbols ...........................6-7 Carburetor Assembly ..................................
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PARTS ORDERING PROCEDURES When ordering parts, please supply the following information: ❒❒ ❒❒❒ Dealer account number ❒❒❒ Dealer name and address ❒❒ ❒ ❒❒❒ ❒ Shipping address (if different than billing address) ❒ ❒❒❒ ❒ Return fax number ❒ ❒❒❒ ❒ Applicable model number ❒ ❒❒❒ ❒ Quantity, part number and description of each part ❒ ❒❒❒ ❒ Specify preferred method of shipment: ✓ FedEx or UPS Ground Note: Unless otherwise indicated by customer, all ✓ FedEx or UPS Second Day or Third Day orders are treate
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MS-20 MIXER — SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS! HAZARD SYMBOLS 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 Lethal Exhaust Gases yourself and others. Engine exhaust gases contain poisonous carbon monoxide. This gas is colorless and odorless, and can cause death if inhaled. NOTE NEVER operate this equipment in a confine
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MS-20 MIXER — SAFETY MESSAGE ALERT SYMBOLS Accidental Starting Respiratory Hazard ALWAYS place the ON/OFF switch in the OFF position, disconnect the spark plug lead before ALWAYS wear approved respiratory servicing the engine or equipment. Ground protection. the lead to prevent sparks that could ignite a fire. Equipment Damage Messages Sight and Hearing hazard Other important messages are provided throughout this manual to help prevent damage to your concrete saw, other property, or ALWAYS wear
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MS20H/MS20E MIXER — RULES FOR SAFE OPERATION ■ Whenever necessary, replace nameplate, operation and CAUTION: safety decals when they become difficult read. Failure to follow instructions in this manual ■ Manufacture does not assume responsibility for any accident may lead to serious injury or even death! due to equipment modifications. This equipment is to be operated by trained and qualified personnel only! This ■ NEVER use accessories or attachments, which are not equipment is for industrial
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MS20H/MS20E MIXER — RULES FOR SAFE OPERATION ■ Stop the engine when leaving the mixer unattended. Transporting ■ ALWAYS shutdown engine before transporting. ■ Block the unit when leaving or when using on a slope. ■ Tighten fuel tank cap securely and close fuel cock to prevent ■ Maintain this equipment in a safe operating condition at all fuel from spilling. times. ■ Drain fuel when transporting mixer over long distances or ■ ALWAYS stop the engine before servicing, adding fuel and bad roads. oi
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MS20H/MS20E MIXER — RULES FOR SAFE OPERATION Emergencies ■ In emergencies always know the location of the nearest phone or keep a phone on the job site. ■ ALWAYS know the location of the nearest fire extinguisher. Also know the phone numbers of the nearest ambulance, doctor and fire department. This information will be invaluable in the case of an emergency. ■ ALWAYS know the location of the nearest and first aid kit. PAGE 10 — MQ STOW MS20H/MS20E MIXER — PARTS & OPERATION MANUAL — REV. #3 (
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MS20H/MS20E MIXER — OPERATION AND SAFETY DECALS Machine Safety Decals The MQ STOW mortar and plaster mixer is equipped with a number of safety decals. These decals are provided for operator safety and maintenance information. Figure 1 below illustrates these decals as they appear on the machine. Should any of these decals become unreadable, replacements can be obtained from your dealer. Figure 1. Mixer Operation and Safety Decals MQ STOW MS20H/MS20E MIXER — PARTS & OPERATION MANUAL — REV. #3 (
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MS20H/MS20E MIXER — SPECIFICATIONS Table 1. MS20H/MS20E Mixer Specifications C) apacity 7.0 cu. ft (198 liters Bs ag Capacity 1-1/2 to 2-1/2 bag W) eight MS20H 624 lbs. (283 kg. W) eight MS20E 613 lbs. (278 kg. L. ength w/Tow Bar x W x H 64 x 55.5 x 56 in (162 x 141 x 142 cm.) H) eight W/Dump Handle 75 in. (191 cm. D) ischarge Height 75 in. (191 cm. Dr rive V-Belt/Gea Dl ump Action Manua Table 2. Specifications (Engine & Electric Motor) M2 odelH2 ONDA GX240K1HA BALDOR 35L229S30 Air-cooled 4 str
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MS20H/MS20E MIXER — GENERAL INFORMATION GENERAL GASOLINE ENGINE CARE The MQ STOW Model MS20H (Honda GX240K1) gasoline For care and operation of the gasoline engine, refer to the engine engine) and MS20E (electric motor) plaster and mortar mixers manufacturer’s operating instructions furnished with the engine. are shipped completely assembled and have been factory tested. We recommend draining and refilling the engine crankcase at least every thirty hours of operation. Check the engine oil level
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MS20H/MS20E MIXER — BASIC ENGINE COMPONENTS Figure 2. Engine Controls and Components 5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop INITIAL SERVICING the flow of fuel. The engine (Figure 2) 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 of operation and servicing. mixt
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MS20H/MS20E MIXER — ELECTRIC MOTOR Electric Motor Electric Motor Voltage Switch For maintenance care and operation of the electric motor, refer 1. ALWAYS make certain the motor switch is "OFF" and the power cord has been disconnected from the power source. to your electric motor instruction booklet furnished with the motor. 2. Remove the voltage lock-out bolt (Figure 3). Change the Protect the electric motor from dust as much as possible and position of the voltage change toggle switch from 115
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MS20H/MS20E MIXER — ELECTRIC MOTOR Figure 3. Single Phase Electric Motor with 18 inch Pigtail Cable PAGE 16 — MQ STOW MS20H/MS20E MIXER — PARTS & OPERATION MANUAL — REV. #3 (08/10/06)
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MS20H/MS20E MIXER — CONTROLS 8. Mixing Paddles — Used in the mixing of material. This unit uses four different types of paddles to provide a fast uniform mix. 9. Bag Cutter— This feature allows compound mixing bags to be opened easily, therefore allowing the contents of the bag to fall directly into the mixing drum. 10. Safety Grill — Provided for operator safety. This safety grill is designed to keep hands and solid objects out of the mixing drum when in use. This grill should be closed at al
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MS20H/MS20E MIXER — TOWING GUIDELINES Towing Safety Precautions ■ Avoid sudden stops and starts. This can cause skidding, or jackknifing. Smooth, gradual starts and stops will improve CAUTION : gas milage. ■ Avoid sharp turns to prevent rolling. ■ Check with your county or state safety towing regulations department before ■ DO NOT transport mixer with fuel in the fuel tank. towing your mortar and plaster mixer. CAUTION : If the trailer coupler is deformed replace To reduce the possibility of a
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MS20H/MS20E MIXER — SAFETY CHAIN CONNECTION 2. Route the safety chain through the holes just above the Always Tow with CAUTION CAUTION CAUTION CAUTION CAUTION tow bar, located on each side of the mixer stand. a Safety Chain Loop the chain together and place under the tow bar. NEVER! tow the mixer with the safety chain removed. Secure the loop with the connector link. The safety chain is intended to prevent complete separation of the mixer from the towing vehicle in the 3. extend the safety ch
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MS20H/MS20E MIXER — TRAILER SAFETY GUIDELINES Tires/Wheels/Lug Nuts Tires and wheels are a very important and critical compo- nents of the trailer. When specifying or replacing the trailer wheels it is important the wheels, tires, and axle are prop- erly matched. CAUTION : DO NOT attempt to repair or modify a wheel. DO NOT install an inter-tube to correct a leak through the rim. If the rim is cracked, the air pressure in the inter-tube may cause pieces of the rim to explode (break-off) with g
