Operation and Parts Manual SERIES MODELs WM70SH5C wm70sh8c plaster and mortar mixer (HONDA GX160/GX240 GASOLINE ENGINE) Revision #0 (06/07/11) To find the latest revision of this publication, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
Proposition 65 Warning 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. Crystalline silicafrombricks. Cementandothermasonryproducts. Arsenicandchromiumfromchemically treatedlumber.
Silicosis/Respiratory Warnings WARNING WARNING SILICOSIS WARNING RESPIRATORY HAZARDS Grinding/cutting/drilling of masonry, concrete, metal and other materials with silica in their composition may give off dust or mists containing crystalline silica. Silica is a basic component of sand, quartz, brick clay, granite and numerous other minerals and rocks. Repeated and/or substantial inhalation of airborne crystalline silica can cause serious or fatal respiratory diseases, including silicosis.
Table of Contents WM70SH5C/WM70SH8C Mixer Proposition 65 Warning............................................ 2 Silicosis/Respiratory Warnings................................. 3 Table Of Contents..................................................... 4 Parts Ordering Procedures....................................... 5 Safety Information............................................... 6-10 Safety Chain Connection........................................ 11 Specifications.........................................
www.multiquip.com Parts Ordering Procedures Ordering parts has never been easier! Choose from three easy options: order via internet (dealers only): Best deal! Effective: January 1st, 2006 If you have an MQ Account, to obtain a Username and Password, E-mail us at: parts@multiquip. com. Order parts on-line using Multiquip’s SmartEquip website! ■ View Parts Diagrams ■ Order Parts ■ Print Specification Information To obtain an MQ Account, contact your District Sales Manager for more information.
safety information Do not operate or service the equipment before reading the entire manual. 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 yourself and others. Potential hazards associated with the operation of this equipment will be referenced with hazard symbols which may appear throughout this manual in conjunction with safety messages.
safety information general SaFeTY CauTion never operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, hearing protection, steel-toed boots and other protective devices required by the job or city and state regulations. Avoid wearing jewelry or loose fitting clothes that may snag on the controls or moving parts as this can cause serious injury. never operate this equipment when not feeling well due to fatigue, illness or when under medication.
safety information Mixer SaFeTY danger never operate the equipment in an explosive atmosphere or near combustible materials. An explosion or fire could result causing severe bodily harm or even death. do noT mix flammable or explosive substances. Warning never place your hands inside the drum while starting or operating this equipment. never disconnect any emergency or safety devices. These devices are intended for operator safety.
safety information Fuel SaFeTY (gaSoline ModelS onlY) danger do noT start the engine near spilled fuel or combustible fluids. Fuel is extremely flammable and its vapors can cause an explosion if ignited. alWaYS refuel in a well-ventilated area, away from sparks and open flames. alWaYS use extreme caution when working with flammable liquids. do noT fill the fuel tank while the engine is running or hot.
safety information ToWing SaFeTY CauTion Check with your local county or state safety towing regulations, in addition to meeting Department of Transportation (DOT) Safety Towing Regulations, before towing your mixer. In order to reduce the possibility of an accident while transporting the mixer on public roads, alWaYS make sure the towing vehicle is mechanically sound and in good operating condition. environMenTal SaFeTY NOTICE Dispose of hazardous waste properly.
safety chain connection CAUTION NEVER tow the mixer with the safety chain removed. The safety chain is intended to prevent complete separation of the mixer from the towing vehicle in the event of a tow bar failure. Tow Bar to Mixer Connection Reference Figure 1 for the installation of the safety chain. 1. Insert the tow bar through the round opening at the bottom of the mixer stand. Align the hole on the tow bar with the hole on the mixer frame, and insert 1/2-inch bolt through tow bar and frame.
specifications Table 1. Mixer Specifications Capacity Bag Capacity Weight Height W/Dump Handle Discharge Height Drive Dump Action Model Type Bore X Stroke Displacement Max Output Fuel Tank Capacity Fuel Lube Oil Capacity Speed Control Method Starting Method Dimensions (L x W x H) Dry Net Weight 7.0 cu. ft (198 liters) 1-1/2 to 2-1/2 bags 788 lbs. (357 kg.) 73 in. (185 cm.) 21 in. (53 cm.) V-Belt/Gear Manual Table 2.
dimensions C Table 3. Dimensions Description Dimensions in. (cm) Length (w/Tow Bar) 67 in. (170 cm) Width 50 in. (127 cm) Height 56 in. (142 cm) A OPTIONAL TOW BARS APPROXIMATE LENGTH 36 IN. (91.44 CM) HBC-1 2-INCH BALL COUPLER B HPC-1 1-INCH PIN COUPLER HLC-1 LOOP COUPLER Figure 3. Dimensions WM70SH5C/wm70sh8c Mixer • operation and parts manual — rev.
general information Application Table 4. Hardware Torque Recommendations Hardware Diameter Torque (ft-lbs) 5/16-inch x 18 14 3/8-inch x 16 24 3/8-inch x 24 37 1/2-inch x 13 39 1/2-inch x 13 90 (Grade 8) The MQ Whiteman WM70SH5C/WM70SH8C mixer (drum capacity of 7.0 cu. ft./198 liters) is shipped completely assembled and has been factory tested and is ready for use. This mixer is only intended for the production of plaster and mortar.
components Figure 4 illustrates the basic components and controls of the WM70SH5C/WM70SH8C mixer. 1. Tires Ply — The tire ply (layers) number is rated in letters. This mixer uses 13-inch 4-ply tires. 2. Engine Cover — Lift this cover to gain access to the engine compartment. 3. Belt Slip Lever — When starting, this lever should be move upward and to the left. For mixing, place the lever in the down position. See attached decal located adjacent to lever. 4.
inspection Before Starting 1. Read all safety instructions at the beginning of manual. 2. Clean the unit, removing dirt and dust, particularly the engine cooling air inlet, carburetor and air cleaner. 3. Check the air filter for dirt and dust. If air filter is dirty, replace air filter with a new one as required. 4. Check carburetor for external dirt and dust. Clean with dry compressed air. 3. Insert and remove the dipstick without screwing it into the filler neck.
inspection Fuel Check DANGER Motor fuels are highly flammable and can be dangerous if mishandled. DO NOT smoke while refueling. DO NOT attempt to refuel the mixer if the engine is hot or running. 1. Remove the gasoline cap located on top of fuel tank. 2. Visually inspect to see if fuel level is low. If fuel is low, replenish with unleaded fuel. 3. When refueling, be sure to use a strainer for filtration. DO NOT top-off fuel. Wipe up any spilled fuel.
basic engine 2. Throttle Lever — Used to adjust engine RPM speed (lever advanced forward SLOW, lever back toward operator FAST). 1 10 9 3. Engine ON/OFF Switch — ON position permits engine starting, OFF position stops engine operations. 2 3 8 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. 7 6.
paddle blade adjustment Adjust paddles as shown in Figure 8. TOW END CAST PADDLE CENTER TOW END CAST PADDLE DRUM END ENGINE END CAST PADDLE PADDLE BLADE IS TOO TIGHT AGAINST DRUM SIDE WALLS. INCORRECT ROTATION DRUM SIDE END PADDLE BLADE CENTER ENGINE END CAST PADDLE INCORRECT INCORRECT CORRECT CORRECT SIDE PADDLE BLADE ROTATION PADDLE BLADE IS TOO TIGHT AGAINST DRUM SIDE WALLS. DRUM END AND SIDE WALLS Figure 8.
Start-up This section is intended to assist the operator with the initial start-up of the unit. It is extremely important that this section be read carefully before attempting to use the mixer in the field. DO NOT use your mixer until this section is thoroughly understood. 3. Move the throttle lever (Figure 11) away from the slow position, about 1/3 of the way toward the fast position. WARNING Failure to understand the operation of the mixer could result in severe damage to the mixer or personal injury.
start-up 6. Place the belt slip lever (Figure 14) in the START/STOP (disengaged) position. START/STOP POSITION DRUM LATCH PIN STOP BLOCK TOW OR LOCKED POSITION BELT SLIP LEVER Figure 16. Drum Lock Pin (Right Position) 7. Pull the starter grip (Figure 17) lightly until you feel resistance, then pull briskly. Return the starter grip gently. Figure 14.
operation Mixing/Dumping 1. The paddle shaft inside the drum should be rotating at this time. STAND CLEAR OF DUMP HANDLE. HANDLE KICK-BACK IS POSSIBLE. 2. Add a small amount water to the mixing drum. 3. Lift the mixing bag compound onto the steel safety grate over the bag cutter and let the contents fall into the drum. Add more water if desired and mix compound to desired consistency. 4.
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maintenance (engine) Use Table 6 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 6.
maintenance (engine) Perform the scheduled maintenance procedures as defined by Table 6 and below: 5. OIL FILLER CAP DIPSTICK DAILY Thoroughly remove dirt and oil from the engine and control area. Clean or replace the air cleaner elements as necessary. Check and retighten all fasteners as necessary. Check the gearbox for oil leaks. Repair or replace as needed. DRAIN SEALING BOLT WASHER Figure 22.
maintenance (Mixer) Drum Head Seals GREASE FITTING AND CAP There is 1 set of drum head seals (Figure 24) that will require lubrication. Lubricate the grease fitting for each drum seal every 40 hours of operation using any grade lithium base grease. Apply grease until visible inside of mixing drum (over grease). This will purge seal system of contamination. DRUM BEARING BRACKET GREASE FITTING AND CAP GREASE FITTING AND CAP DRUM HEAD SEALS GREASE FITTING AND CAP Figure 25.
maintenance (Mixer) Main Gear and Drive Pinion Alignment GREASE FITTING AND CAP Figure 26. Grease Fittings (Countershaft) Wheel Bearings 1. After every 3 months of operation, remove the hub dust cap and inspect the wheel bearings (Figure 27). Once a year, or when required, disassemble the wheel hubs remove the old grease and repack the bearings forcing grease between rollers, cone and cage with a good grade of high speed wheel bearing grease (never use grease heavier than 265 A.S.T.M. penetration (“No. 2.
maintenance (Mixer) Inspect Tooth Contact between Main Gear and Drive Pinion 1. Coat 3 or 4 teeth at 3 different positions on the main gear with yellow paint. 2. Rotate the drive pulley in both directions. 3. Inspect the tooth pattern. 4. If gear teeth are not contacting properly (Figure 29), adjust pillow block to correct the problem. HEAL CONTACT FACE CONTACT TOE CONTACT PROPER CONTACT FLANK CONTACT Figure 29.
maintenance (Mixer) Table 7. Tire Wear Troubleshooting Wear Pattern Cause Solution Center Wear Adjust pressure to Over Inflation particular load per tire manufacturer Edge Wear Under Inflation Adjust pressure to particular load per tire manufacturer. Side Wear Loss of chamber or overloading Make sure load does not exceed axle rating. Align wheels. Toe Wear Incorrect toe-in Align wheels. Cupping Out of balance Check bearing adjustment and balance tires.
maintenance (Mixer) Suspension The rigid type axle and associated hardware (Figure 32) should be periodically inspected for signs of excessive wear, elongation of bolt holes, and loosening of fasteners. Replace all damaged parts immediately. CHECK FOR TIGHTNESS RIGID TYPE AXLE Figure 32. Axle Support Components Mixer Cleaning 1. ALWAYS disconnect the spark plug wire (gasoline engines) before cleaning the inside of the drum.
maintenance (Mixer) Mixer Storage For storage of the mixer for over 30 days, the following is recommended: Drain the fuel tank completely, or add STA-BIL to the fuel. Run the engine until the fuel is completely consumed. Completely drain used oil from the engine crankcase and fill with fresh clean oil, then follow the procedures described in the engine manual for engine storage. Clean the entire mixer and engine compartment. Place the mixing drum in the down position (mouth facing downward).
troubleshooting 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 deficient spark plug insulation? Check spark plug insulation, replace if worn. Improper spark plug gap? Set to proper gap. Fuel reaching carburetor? Check fuel line. Water in fuel tank? Flush or replace fuel tank. Fuel filter clogged? Replace fuel filter.
troubleshooting Troubleshooting (engine) - continued Symptom Weak in power, compression is proper and does not misfire. Weak in power, compression is proper but misfires. Engine overheats. Rotational speed fluctuates. Recoil starter malfunctions. (if applicable) Starter malfunctions. possible problem Air cleaner dirty? Clean or replace air cleaner. Improper level in carburetor? Check float adjustment, rebuild carburetor. Defective spark plug? Clean or replace spark plug.
troubleshooting Mixer Troubleshooting Worn or defective V-belt? Blades will not rotate. Material leaking from drum ends. Drum difficult to discharge (tilt) Replace V-belt. Check position of adjustment lever. Adjustment lever mis-aligned? Adjust if necessary. Worn or defective paddle shaft seals? Replace seals. Defective or worn drum support Apply grease to bracket or replace. brackets? Adjust blades until they almost touch Blades adjusted too tight. side walls of drum.
wiring diagram WM70SH5C/wm70sh8c Mixer • operation and parts manual — rev.
Explanation of Code in Remarks Column The following section explains the different symbols and remarks used in the Parts section of this manual. Use the help numbers found on the back page of the manual if there are any questions. NOTICE The contents and part numbers listed in the parts section are subject to change without notice. Multiquip does not guarantee the availability of the parts listed. SaMple parTS liST no. 1 2% 2% 3 4 parT no. parT naMe QTY. reMarkS 12345 BOLT .....................1 .....
Suggested Spare Parts wm70sh5c/wm70sh8c plaster and mortar mixer with honda GX160/gx240 engine 1 to 3 units Qty. P/N Description 6............505834...................v-belt 2............EM914288.............OIL SEAL, AXLE 4............EM903113.............BEARING, CONE, AXLE 4............EM903112.............BEARING, CUP, AXLE 2............20654-001.............SEAL, PADDLE SHAFT (BLACK) 2............530029...................RING, RETENTION 2............20104-002.............
nameplate and decals 7 INSTRUCTIONS DE SÉCURITÉ 1. Lire le manuel du propriétaire avant d'opérer. 2. Garder les personnes non autorisées et non formées loin de la machine lorsqu'elle est en marche. 3. S'assurer que tous les dispositifs de sécurité sont en place avant d'allumer cette machine. 8 4. S'assurer que le moteur est éteint et le fil de la bougie est débranché avant de nettoyer la machine. 6 5. Garder les mains et les doigts loin des objets mobiles. 6.
nameplate and decals NO. PART NO. PART NAME QTY.
frame assy. MOUNT PILLOW BLOCKS FOR PINION SHAFT HERE MOUNT DRUM BEARING HERE 7 MOUNT DRUM BEARING HERE 3 5 4 9 8 2 1 11 10 12 15 13 14 CHAIN & LINK KIT 14A A A OPTIONAL TOW BARS 16 17 18 page 40 — WM70SH5C/wm70sh8c Mixer • operation and parts manual — rev.
frame assy. NO. PART NO. 1 514842 2 491692 3 530023 4 507444 5 520619 7 514836 8 EM963692 9 492584 10 514802 11 10176 12 EM124 13@ 14@ 01004 14A@ 516580 15 13363KIT 16 HBC-1 17 HLC-1 18 HPC-1 PART NAME QTY. REMARKS LOCK PIN UNIT 1 COTTER PIN 1 SPRING LOCKING PIN 1 WASHER, FLAT 3/4" 1 MAIN FRAME 1 HANDLE, CLUTCH ENGAGE 1 BOLT 1/2" UNC 1-1/2" 6 NUT, LOCK 1/2" 6 AXLE, UNIVERSAL 1 LOCK NUT 1/2" NC 1 BOLT 1/2"-13 X 4 G5 1 SAFETY CHAIN 1 CONNECTOR LINK 1 CLEVIS SAFETY HOOK 1 CHAIN AND LINK KIT.................
paddle shaft assy. 6 ENGINE END SIDE E N D 5 2 CENTER ENGINE END 7 SID E 4 3 1 2 8 CENTER TOW END 2 4 SID 5 P R O U L B Y B OR E R 7 2 E N D E 9 17 18 16 10 E S N C D R A P E R 11 10 11 SI DE S O P SID E TOW END 15 8 LY O CRA PER 13 R RU BBER 19 WIPER AND SCRAPPER HARDWARE KIT 12 11 14 page 42 — WM70SH5C/wm70sh8c Mixer • operation and parts manual — rev.
paddle shaft assy. NO. 1 2 3 4 5 6 7 8 9 10@# 11@# 12@ 13@# 14@# 15@ 16 17@# 18@ 19 PART NO. 514752 492584 EM202896 492399 EM200292 EM202898 504322 EM200297 EM202897 492367 EM923023 EM202929 EM202928 2105164 EM923343 EM202899 EM202927 EM202926 EM203010 PART NAME QTY.
steel tub assy. 33 34 6 6 22 23 6 31 21 30 34 25 29 26 34 27 15 11 4 4 12 5 10 1 17 14 13 9 1 5 8 3 2 20 18 6 7 7 12 27 8 10 6 19 32 7 6 32 7 15 18 3 9 11 16 PART OF REAR FRAME PART OF FRONT FRAME page 44 — WM70SH5C/wm70sh8c Mixer • operation and parts manual — rev.
steel tub assy. NO. PART NO. 1 530028C 2 3249 3 20561-001 4 491008 5 EM916019 6 EM969013 7 3019092 8 514778C 9 513453 10 20654-001 11 530029 12 20104-002 13 513452 14 520621 15 EM961019 16 530043 17 501016 18 17985-012 19 514752 20 6109170 21 201537 22 EM925191 23 520540 25 6109160 26 6109180 27 EM963692 29 492584 30 EM201537 31 EM98195 32 507418 33 520541 34 EM963610 PART NAME QTY. REMARKS DRUM BEARING BRACKET 2 CAP, DUST 1 BEARING SEALED.............................................2................
axle assy. 12 10 9 8 9 8 5 7 3 11 1 NOTES: 1 6 4 2 COMPLETE HUB ASSEMBLY INCLUDES ITEMS WITHIN DASHED LINES, AND ALSO INCLUDES ITEMS 1 AND 2. page 46 — WM70SH5C/wm70sh8c Mixer • operation and parts manual — rev.
axle assy. NO. 1# 2# 3 4 5 6 7 8# 9# 10# 11 12 PART NO. 3469 8115 3005 8164 491688 EM511159 EM501299 EM903113 EM903012 EM914288 EM941306 514802 PART NAME QTY. REMARKS DUST CAP 2 LUG NUTS 8 TIRE AND RIM, CARLISE 2 CASTLE NUT 1" 2 COTTER PIN 1/8" X 1-1/2' 2 WASHER, FLAT, .087" THICKNESS 2 WASHER, FLAT, .135" THICKNESS 1 BEARING CONE 4 BEARING CUP 4 OIL SEAL 2 HUB ASSY., 4-BOLT...........................................2................
engine assy. 16 33 14 15 29 27 22 31 25 28 1 PART OF FRAME 11 35 18 PART OF FRAME 34 37 12 13 22 1 36 7 26 23 3 24 4 9 30 17 1 32 30 3 8 5 6 PART OF FRAME 2 2 1 page 48 — WM70SH5C/wm70sh8c Mixer • operation and parts manual — rev.
engine assy. NO. 1 2 3 4 5 6 7 8 9 10 11 12 12 13 14 14 15 15 16 16 17 18 18 22 22 23 23 24 24 25 26 27 28 29 30 31 31 32 33 34 35 36 37 37 PART NO. EM969013 506488 EM905016 492378 490957 513868 500214 EM502226 492057 505084 492467 505834 505834 503117 501019 90745ZE2600 492367 492378 GX160UT1HX2 GX240UT1HA2 515040 492055 EM901074 492597 492598 492623 492624 492553 492554 492600 505084 492394 EM102014 EM203098 492313 EM507713 EM507491 EM959080 492584 492574 492476 EM901515 515299 515045 PART NAME QTY.
cabinet assy. 13 2 12oz 1 2 2 12 11 2 10 8 8 9 15 7 8 5 5 14 15 6 8 16V page 50 — WM70SH5C/wm70sh8c Mixer • operation and parts manual — rev.
cabinet assy. NO. 1 2 5 6@ 7 8 9 10 11 12 13 14 15 16 PART NO. 520620 EM505186 503723 491010 EM963610 3019092 EM969013 29174-001 29173-001 504135C EM974007 520560 EM963055 520561 PART NAME QTY. REMARKS CABINET, ENGINE W/DECALS.........................1................INCLUDES ITEMS W/@ BUMPER, STICK ON 4 POP RIVET........................................................10 LATCH ASSY.
terms and conditions of sale — parts paYMenT TerMS 5. Parts must be in new and resalable condition, in the original Multiquip package (if any), and with Multiquip part numbers clearly marked. 6. The following items are not returnable: Multiquip reserves the right to quote and sell direct to Government agencies, and to Original Equipment Manufacturer accounts who use our products as integral parts of their own products. a. SpeCial expediTing ServiCe Terms of payment for parts are net 30 days.
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Operation and Parts Manual HERE’S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING United StateS Multiquip Corporate Office 18910 Wilmington Ave. Carson, CA 90746 Contact: mq@multiquip.com MQ Parts Department Tel.
