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OPERATION MANUAL
SERIES
MODELS
WM90SLF
WM90PLF
PLASTER AND MORTAR MIXER
(MPOWER 177F-BH 9.0 HP GASOLINE ENGINE)
Revision #0 (10/06/22)
To find the latest revision of this publication or
associated parts manual, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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Table of Contents
Related Manuals for MULTIQUIP Whiteman WM90SLF
Summary of Contents for MULTIQUIP Whiteman WM90SLF
- Page 1 WM90PLF PLASTER AND MORTAR MIXER (MPOWER 177F-BH 9.0 HP GASOLINE ENGINE) Revision #0 (10/06/22) To find the latest revision of this publication or associated parts manual, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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Page 2: Proposition 65 Warning
PROPOSITION 65 WARNING PAGE 2 — WM90SLF/PLF SERIES PLASTER/MORTAR MIXERS • OPERATION MANUAL — REV. #0 (10/06/22) -
Page 3: 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 4: Table Of Contents
TABLE OF CONTENTS WM90SLF/WM90PLF Plaster and Mortar Mixers Proposition 65 Warning ........... 2 Silicosis/Respiratory Warnings ........ 3 Training Checklist ............ 5 Nameplate and Safety Decals ......... 6 Safety Information ..........7–11 Towing Guidelines ........... 12–13 Safety Chain Connection ........14 Specifications (Mixer) .......... -
Page 5: 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. WM90SLF/PLF SERIES PLASTER/MORTAR MIXERS •... -
Page 6: Nameplate And Safety Decals
NAMEPLATE AND SAFETY DECALS The WM-90SLF/PLF plaster and mortar 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 or the MQ Parts Department. -
Page 7: 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 8 „ 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 9 SAFETY INFORMATION ENGINE SAFETY 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 10 SAFETY INFORMATION FUEL SAFETY „ ALWAYS tie down equipment during transport by securing the equipment with rope. DANGER „ NEVER tip the engine to extreme angles during lifting „ DO NOT start the engine near spilled fuel or combustible as this may cause oil to gravitate into the cylinder head, fl uids.
- Page 11 SAFETY INFORMATION ENVIRONMENTAL SAFETY/DECOMMISSIONING EMISSIONS INFORMATION NOTICE NOTICE Decommissioning is a controlled process used to safely The gasoline engine used in this equipment has been retire a piece of equipment that is no longer serviceable. designed to reduce harmful levels of carbon monoxide If the equipment poses an unacceptable and unrepairable (CO), hydrocarbons (HC) and nitrogen oxides (NOx) safety risk due to wear or damage or is no longer cost...
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Page 12: Towing Guidelines
TOWING GUIDELINES TOWING SAFETY PRECAUTIONS „ Check the wheel mounting lug nuts with a torque wrench. Torque the lug nuts as described in the Maintenance NOTICE section of this manual. Check with your county or state towing safety „ Check the tightness of the axle mounting hardware. regulations department before towing your mixer. - Page 13 TOWING GUIDELINES TOW BAR TO VEHICLE (COUPLER ONLY) 1. Check the vehicle hitch ball and the mixer’s coupler for signs of wear or damage. Replace any parts that are worn or damaged before towing. 2. Use only a 2-inch ball diameter for the towing vehicle. This will match the mixer’s 2-inch coupler.
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Page 14: Safety Chain Connection
SAFETY CHAIN CONNECTION 4. Loop (cross) the safety chain and place it under the tow CAUTION bar. Secure the loop with the safety chain connector NEVER tow the mixer with the safety chain removed. link. See Figure 5. 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 15: Specifications (Mixer)
SPECIFICATIONS (MIXER) Table 1. Mixer Specifications Max. Mixing Capacity 9.0 ft.³ (254.9 liters) Bag Capacity 2.5–3.5 bags Weight 785 lb. (356 kg) Drive V-belt/gear Dump Action Manual Figure 7. Mixer Dimensions Table 2. Mixer Dimensions Reference Letter/Parameter Dimensions in. (cm) (A) Height –... -
Page 16: Specifications (Engine)
SPECIFICATIONS (ENGINE) Table 4. Engine Specifications Model MPower 177F-BH Type 4 stroke, OHV, single cylinder tilt 25° Bore × Stroke 3.00 in. × 2.20 in. (76 mm × 55 mm) Displacement 16.48 in.³ (270 cm³) Max. Output 9.0 hp (6.7 kW) @ 3,600 rpm Torque 93 Nm /68.5 lbf-ft @ 420 rpm Fuel Tank Capacity... -
Page 17: General Information
GENERAL INFORMATION HARDWARE APPLICATION This mixer is intended for the mixing of plaster and mortar Check all hardware on the mixer before starting. Periodically only. The mixer must be used for its intended purpose and inspect all hardware. Loose hardware can contribute is not suitable for the mixing of flammable or explosive to early component failure and poor performance. -
Page 18: Components (Mixer)
COMPONENTS (MIXER) Figure 9. Mixer Components PAGE 18 — WM90SLF/PLF SERIES PLASTER/MORTAR MIXERS • OPERATION MANUAL — REV. #0 (10/06/22) - Page 19 COMPONENTS (MIXER) 1. Safety Grill — Provided for operator safety. This safety 10. Chock Blocks (Option) — When the mixer is not grill is designed to keep hands and solid objects out connected to the towing vehicle, place these blocks of the mixing drum when in use.
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Page 20: Components (Engine)
COMPONENTS (ENGINE) 4. Recoil Starter (pull rope) — Manual starting method. Pull the starter grip slowly until resistance is felt, then pull briskly and smoothly to start the engine. 5. Fuel Valve Lever — OPEN to let fuel flow, CLOSE to stop the flow of fuel. -
Page 21: Inspection
INSPECTION BEFORE STARTING 4. If the oil level (Figure 12) is low, fill to the edge of the oil filler hole with the recommended oil type (Table 6). 1. Read all safety instructions at the beginning of this Refer to Table 4 for engine oil capacity. manual. - Page 22 INSPECTION TIRES EMERGENCY STOP SWITCH Check for worn or defective tires (Figure 13). Replace any The engine emergency stop switch (Figure 15) defective or worn tires immediately. should be tested every time the engine is started. See Starting the Mixer in the Operation section for more BALDNESS information.
- Page 23 INSPECTION PADDLE BLADE ADJUSTMENT Adjust paddles as shown in Figure 16. CENTER ENGINE END CAST PADDLE ENGINE END CAST PADDLE DRUM END CENTER TOW END CAST PADDLE TOW END CAST PADDLE PADDLE BLADE IS TOO TIGHT AGAINST DRUM DRUM SIDE SIDE WALLS CORRECT INCORRECT...
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Page 24: Operation
OPERATION This section is intended to assist the operator with the initial 3. Move the throttle lever (Figure 19) away from the slow startup of the mixer. It is extremely important position, about 1/3 of the way toward the fast position. that this section be read carefully before attempting to use the mixer in the field. - Page 25 OPERATION 6. Place the belt slip lever in the START/STOP 8. Once the engine has started, the emergency stop (disengaged) position. See Figure 22. switch should be tested for proper operation. Push the emergency stop switch (Figure 24) and observe that the engine has stopped.
- Page 26 OPERATION MIXING 1. Pull the drum latch pin (Figure 25) and place it on the left side (mix position) of the stop block. NOTICE Orientation of the drum stop block is viewed from the BELT SLIP LEVER STOP tow bar end of the mixer. The stop block is welded to BLOCK the front side of the drum.
- Page 27 OPERATION STOPPING THE MIXER DUMPING Normal Shutdown CAUTION NEVER stand in front of or behind the 1. Place the throttle lever in the IDLE (slow) position, mixing drum while it is being placed in the and let the engine idle for 3–5 minutes. See Figure 29. dump position.
- Page 28 OPERATION Emergency Shutdown CLEANING THE MIXER Push the emergency stop switch inward to the STOP After each use, thoroughly clean the entire mixer as position (Figure 32). described in the Maintenance section of this manual. NOTICE EMERGENCY STOP SWITCH ALWAYS make sure the mixer drum is clean and free of debris and dried material.
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Page 29: Maintenance (Engine)
MAINTENANCE (ENGINE) Use Table 7 as a general maintenance guideline when servicing your engine. For more detailed engine maintenance information, refer to the engine owner’s manual supplied with your engine. Table 7. Engine Maintenance Schedule Every 3 Every 6 Every 2 First Month Every Year Description (3) - Page 30 MAINTENANCE (ENGINE) MAINTENANCE SPARK PLUG Perform scheduled maintenance procedures as defined in Remove and clean the spark plug (Figure 34). Adjust the Table 7 and below: spark plug gap to 0.027–0.031 in. (0.7–0.8 mm). This unit has electronic ignition, which requires no adjustments. DAILY Thoroughly remove dirt and oil from the engine and control area.
- Page 31 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 of as shown in Figure 36. operation. 1. Remove the three 4 mm screws securing the exhaust BLOW COMPRESSED deflector (Figure 37) to the muffler protector, then AIR FROM THE...
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Page 32: Maintenance (Mixer)
MAINTENANCE (MIXER) DRUM HEAD SEALS NOTICE There is a set of drum head seals (Figure 39) that Failure to lubricate the Zerk grease fittings two or three will require lubrication. Lubricate the grease fitting for times a month will cause the dumping mechanism to each drum seal every 40 hours of operation using stiffen, making the mixer hard to dump. - Page 33 MAINTENANCE (MIXER) WHEEL BEARINGS MAIN GEAR AND DRIVE PINION ALIGNMENT 1. After every 3 months of operation, remove the hub 1. Disconnect the spark plug wire. Make sure the dust cap and inspect the wheel bearings (Figure 42). clutch engagement lever is disengaged to relieve Once a year, or as needed, disassemble the wheel V-belt tension.
- Page 34 MAINTENANCE (MIXER) 1. Rotate the drive pulley in both directions. 9. Thoroughly clean the entire mixer, wheels, cabinet and frame. 2. Inspect the tooth pattern. NOTICE 3. If the gear teeth are not contacting properly (Figure 44), adjust the pillow block to correct the problem. NEVER pour or spray water over the engine (Figure 45).
- Page 35 MAINTENANCE (MIXER) WARNING ALWAYS wear safety glasses when removing or installing force-fitted parts. Failure to comply may result in serious injury. 4-LUG NUTS 5-LUG NUTS Table 8 shows causes and solutions of tire wear problems. Table 8. Tire Wear Troubleshooting Wear Pattern Cause Solution...
- Page 36 MAINTENANCE (MIXER) SUSPENSION LONG-TERM STORAGE The rigid suspension and associated components (Figure 47) For storage of the mixer for over 30 days, the following is should be visually inspected monthly for signs of excessive recommended: wear, elongation of bolt holes or loosening of the mounting „...
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Page 37: Troubleshooting (Mixer)
TROUBLESHOOTING (MIXER) Troubleshooting (Mixer) Symptom Possible Problem Solution Check main gear. Worn or defective main (bull) gear? ¹ Replace if worn or broken. Check pinion gear. Worn or defective pinion gear? ¹ Replace if worn. Worn or defective V-belt? ¹ Replace V-belt. -
Page 38: 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 39 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 40 © COPYRIGHT 2022, MULTIQUIP INC. Multiquip Inc , the MQ logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of their respective owners and used with permission.