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OperatiOn Manual
SERIES
MODEL PRO12
HYDRAULIC PLASTER/MORTAR MIXER
(HONDA GX390RT2-QNB2 GASOLINE ENGINE)
Revision #0 (05/06/13)
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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PROPOSITION 65 w ARNING 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, dependingonhowoftenyoudothistyp
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SILICOSIS/RESPIRATORY w ARNINGS WARNING WARNING SILICOSIS WARNING RESPIRATORY HAZARDS Grinding/cutting/drillingofmasonry,concrete,metaland Grinding/cutting/drillingofmasonry,concrete,metaland othermaterialswithsilicaintheircompositionmaygive 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 basiccomponentofsand,quartz,brickclay,graniteand injury or illness, such as respiratory disea
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TABLE Of CONTENTS PRO12 Hydraulic Mixer Proposition 65 Warning ........................................... 2 Silicosis/Respiratory Warnings ................................ 3 Table Of Contents .................................................... 4 Safety Information ................................................ 5-8 Specifications .......................................................... 9 Dimensions ............................................................ 10 General Information .........
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SAETY f 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. messages and operating instructions could Symbol Safety Hazard result in injury to yourself and
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SAfETY INORMA f TION general saFety NOTICE caution This equipment should only be operated by trained and qualifi ed personnel 18 years of age and older. never operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, Whenever necessary, replace nameplate, operation and hearing protection, steel-toed boots and other protective safety decals when they become diffi cult read. devices required by the job or city and state regulations. Ma
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SAETY f INORMA f TION mixer saFety engine saFety danger danger never operate the equipment in an explosive Engine fuel exhaust gases contain poisonous carbon monoxide. This gas is colorless and odorless, and can atmosphere or near combustible materials. An explosion or fi re could result causing severe cause death if inhaled. bodily harm or even death. The engine of this equipment requires an adequate do not mix fl ammable or explosive substances. free fl ow of cooling air. never
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SAETY f INfORMATION Fuel saFety transporting saFety danger caution do not add fuel to equipment if it is placed inside truck never allow any person or animal to stand underneath bed with plastic liner. Possibility exists of explosion or the equipment while lifting. fi re due to static electricity. NOTICE FUEL always make sure forklift forks are inserted into pockets (if applicable) as far as possible when lifting the mixer. always shutdown engine before transporting. never lif
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SPECIfICATIONS t able 1. Mixer Specifications Capacity 12.0 cu. ft (340 liters) Bag Capacity 3 to 4 bags Operating Weight 1580 lbs. (716.68 kg.) Maximum Aggregate Size 1 in. (25.4 mm) Adjustable Drum Discharge Height Up to 42.5 in. (1079.5 mm.) Drive System Hydraulic Dump Action Hydraulic t able 2. Engine Specifications Model honda gx390rt2-QnB2 Type Air-cooled 4 stroke, Horizontal Shaft, Gasoline Engine 3.46 in. X 2.51 in. Bore X Stroke (88 mm x 64 mm) Displacement 23.7 cu. in. (389 cc) Max
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DIMENSIONS C A B Figure 1. Mixer Dimensions t able 3. Mixer Dimensions Reference Designator dimension in. (mm.) A (Length) 73.5 (1917.7) B (Width) 35.0 (889) C (Height) 45.0 (1143) page 10 — pro12 hydraulic mixer • operation manual — rev. #0 (05/06/13)
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GENERAL INORMA f TION application hardware The Multiquip PRO12 hydraulic mixer (with drum capacity Check all hardware on the mixer before starting. Periodically of 12.0 cu. ft./340 liters) is shipped completely assembled, inspect all hardware. Loose hardware can contribute to factory-tested, and ready for use. early component failure and poor performance. Keep all mixer hardware components tight. This mixer is only intended for the mixing of plaster and mortar. The mixer must be used for it
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MIXER COMPONENTS 6 3 1 5 2 8 4 13 12 9 11 14 10 Figure 2. Mixer Components page 12 — pro12 hydraulic mixer • operation manual — rev. #0 (05/06/13)
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MIXER COMPONENTS 1. Engine Cover — Lift this cover to gain access to the 8. pivot point/Zerk Fitting — There is a zerk grease engine or electric motor. fitting on each end of the mixing drum. These fittings lubricate the dumping mechanism. Lubricate both 2. start/stop switch — This switch is located on the fittings at least twice a week. side of the engine cover. When activated it will shut down the engine. 9. Mixing Drum — Drum capacity is 12 cu. ft (340 liters). Mixing materials such as
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HYDRAULIC COMPONENTS 6 5 8 1 3 7 2 4 2 Figure 3. Hydraulic Components page 14 — pro12 hydraulic mixer • operation manual — rev. #0 (05/06/13)
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HYDRAULIC COMPONENTS 1. Hydraulic Motor — Bi-directional hydraulic motor that 5. Hydraulic Dump Lever — This lever is only provided is used in conjunction with the directional control valve on mixers with hydraulic dump capability. Pull lever to operate the hydraulic dump cylinder and paddle outward to activate dump cylinder. shaft. 6. hydraulic paddle Blade lever — 3-position lever. 2. Hydraulic Dump Cylinder — When activated, this Push inward for clockwise mixing rotation of blades. cylind
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BASIC ENGINE 2. throttle lever — Used to adjust engine RPM speed 1 10 (lever advanced forward slow, lever back toward operator Fast). 9 3. engine on/oFF switch — on position permits engine 2 starting, OFF position stops engine operations. 4. recoil starter (pull rope) — Manual-starting method. Pull the starter grip until resistance is felt, then pull 3 briskly and smoothly. 8 5. Fuel valve lever — open to let fuel flow, CLOSE to 7 stop the flow of fuel. 6. Choke Lever — Used in the startin
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PADDLE BLADE ADUSTMENT j STEEL DRUM CAST PADDLE CENTER TOW END CAST PADDLE DRUM END ENGINE END CAST PADDLE PADDLE BLADE IS TOO TIGHT AGAINST DRUM SIDE WALLS. CENTER ENGINE DRUM SIDE END CAST PADDLE INCORRECT INCORRECT INCORRECT CORRECT CORRECT SIDE PADDLE BLADE PADDLE BLADE IS TOO TIGHT AGAINST DRUM ROTATION SIDE WALLS. DRUM END AND SIDE WALLS Figure 5. Paddle Blade Adjustment pro12 hydraulic mixer • operation manual — rev. #0 (05/06/13) — page 17 END PADDLE BLADE ROTATION
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INSPECTION BeFore starting t able 4. oil t ype Season t emperature oil t ype 1. Read safety instructions at the beginning of manual. Summer 25°C or Higher SAE 10W-30 2. Clean the mixer, removing dirt and Spring/Fall 25°C~10°C SAE 10W-30/20 dust, particularly the engine cooling Winter 0°C or Lower SAE 10W-10 air inlet, carburetor and air cleaner. 3. Check the air filter for dirt and dust. If air filter is dirty, danger replace air filter with a new one as required. Motor fuels are highly fla
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INSPECTION grease Fitting (dump cylinder) HyDRAuLiC HOSES Check the zerk grease fittings on the dump cylinder Check hydraulic hoses (Figure 3) to make sure they are not worn, frayed or defective. (Figure 10). This grease fitting lubricates the hydraulic dumping mechanism. grease Fittings (Bearings) Check the zerk grease fittings (Figure 9) at each end of GREASE FITTING the mixing drum. These grease fittings lubricate the paddle shaft bearings. GREASE FITTING CAP DUMP CYLINDER BEARING GREASE
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STARTUP caution do not attempt to operate the mixer until the Safety, General Information and Inspection sections of this manual have been read and thoroughly understood. This section is intended to assist the operator with the initial start-up of the mixer. It is extremely important that this section be read carefully before attempting to use the Figure 13. Engine Choke Lever (Closed) mixer in the field. 4. Place the choke lever (Figure 14) in the “open” starting the engine (honda eng
