Troubleshooting Mixer | Stow MS120H13, MS120HD13 guide

			TROUBLESHOOTING (MIXER)

		TABLE 10. MIXER TROUBLESHOOTING

	SYMPTOM	POSSIBLE PROBLEM	SOLUTION

		Material load too heavy,	Reduce amount of material being mixed.
		exceeding mixer capability?	Reduce amount of material being mixed.
		exceeding mixer capability?

		Object stuck inside mixing	Stop engine. Empty out drum contents. Remove
		drum, jamming paddle	Stop engine. Empty out drum contents. Remove
		drum, jamming paddle	obstruction.
		rotation?	obstruction.
		rotation?

	Blades will not rotate.	Incorrect relief valve	Inspect for proper 1750 PSI relief pressure.
		pressure?	Inspect for proper 1750 PSI relief pressure.
		pressure?

		Check engine speed.	Proper RPM 3600.

		Defective hydraulic motor or	Contact MQ Technical Services.
		pump?

		Slow hydraulic cylinder	Defective cylinder seal.
		dumping?	Defective cylinder seal.
		dumping?

	Material leaking from drum	Worn or defective paddle	Replace seals.
	ends.	shaft seals?	Replace seals.
	ends.	shaft seals?

		Defective or worn drum	Apply grease to bracket or replace.
	Drum difficult to discharge	support brackets?	Apply grease to bracket or replace.
		support brackets?

	(tilt)	Blades adjusted too tight.	Adjust blades until they almost touch side walls of
			Adjust blades until they almost touch side walls of
			drum.
			drum.

PAGE 34 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

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Stow MS120H13, MS120HD13 manual Troubleshooting Mixer

Contents

Model MS120H13 Proposition 65 Warning SILICOSIS/RESPIRATORY Warnings Silicosis Warning Respiratory Hazards Table of Contents MS120 Hydraulic Mixer Parts Ordering Procedures Ordering parts has never been easier Hazard Symbols SafetySafety Message Alert Symbols You can be Injured if you do not follow these directions Safety General Safety Rules and Regulations Transporting Maintenance Safety„ Never pour or spray water over the engine Emergencies Towing Safety Precautions Towing Guidelines Safety Chain Connection TOW BAR to Mixer Connection Specifications Specifications Mixer Dimensions Dimensions General Information Stow MS120 series hydraulic mixers drum capacity Engine Cover Lift this cover to gain access to the engine Mixer Components Mixer COMPONENTS/HYDRAULIC Components Hydraulic Components Initial Servicing Engine ComponentsMuffler Used to reduce noise and emissions Paddle Blade Adjustment Adjust paddles as shown in Figure Engine OIL Check InspectionBefore Starting Fuel Check Grease Fittings Bearings Hydraulic OILHydraulic Hoses Blade Check Starting the Engine Initial START-UPTo the Closed position Initial START-UP /OPERATION Mixing Dumping Manual OperationDumping Hydraulic Stoppingthe Mixer Push the start/stop switch inward to stop the engineSHUT-DOWN Place the fuel valve lever to the OFF position Maintenance Engine Engine Maintenance Schedule Install drain bolt with sealing washer and tighten securely MaintenanceEngine AIR Cleaner Engine OIL Drum Head Seals Maintenance MixerBall Socket and Clamp Face Maintenance Wheel Bearings LUG Nuttorque Requirements TIRES/WHEELS/LUG NutsTIRESWEAR/INFLATION NEVER! use an pneumatic air gun to tighten wheel lug nuts Mixer Cleaning Suspension Mixer Storage Maintenance MIXER/STORAGENEVER! pour or spray water over the engine Figure Troubleshooting Engine Engine Troubleshooting White Troubleshooting Mixer Hydraulic System Diagram Hydraulic System Diagram Sample Parts List Explanation of Code in Remarks Column Suggested Spare Parts MS120 1 to 3 Units MS120 5 to 10 Units Nameplate and Decals DECAL, Towing Instructions DECAL, Safety InstructionsDECAL, Warning Safety Grate DECAL, Push to Stop DCL160A DECAL, Crush Warning Paddle Blades Assy Paddle ARM, TOW END Paddle ARM, Center TOW ENDINSERT, Paddle ARM WASHER, Flat 1/2 Steel Drum ASSY. Manual GRATE, Movable Bearing Housing FrontBearing HOUSING, Rear BAR, Grate Latch Steel Drum ASSY. Hydraulic Rear PIN, Dump Cylinder Moveable GrateBAR, Grate CYLINDER, Dump Paddle Shaft Assy Spring SPACER, Thin SealInner Seal 1-1/8 SEAL, Bearing 1-1/2 Hydraulic Assy CAP, Spring Mount ReplacesARM, Motor Torque HOSE, Pump Output Frame Assy LUG NUT Replacement onlySafety Hook Flat Washer 1/2 Steel Engine Cover Assy Rubber Latch Assy Engine COVER-STEELHinge Flat Washer 3/8 Honda Engine Assy TUBE, Exhaust SWITCH, PUSH-PULL W/O KnobENGINE, Honda 11HP GX390U1QA2 Plate Honda GX390K1QA2/GX390U1QA2 AIR Cleaner Assy COLLAR, AIR Cleaner COVER, AIR CleanerGROMMET, AIR Cleaner Collar B, AIR Cleaner Honda GX390K1QA2/GX390U1QA2 Camshaft Assy ROD, Push Camshaft AssemblySPRING, Weight Return LIFTER, Valve Honda GX390K1QA2/GX390U1QA2 Piston Assy Piston Standard BOLT, Connecting RODRing SET, Piston STD Piston OS 0.25, Optional Honda GX390K1QA2/GX390U1QA2 Crankcase Cover Assy PIN, Governor Weight WEIGHT, GovernorHOLDER, Governor Weight GASKET, Case Cover Honda GX390K1QA2/GX390U1QA2 Crankshaft Assy WEIGHT, Balancer BEARING, Radial Ball 6207S Honda GX390K1QA2/GX390U1QA2 Cylinder Barrel Assy BOLT, Drain Plug 12 X SHAFT, Governor ARMBOLT, Flange 6X12 CT200 Honda GX390K1QA2/GX390U1QA2 Cylinder Head Assy CLIP, Valve Guide GUIDE, Valve OS OptionalGUIDE, EX. Valve OS Optional GASKET, Cylinder Head Honda GX390K1QA2/GX390U1QA2 FAN Cover Assy COVER, FAN *R280*, RED CLIP, Wire HarnessCLIP, Tube Shroud Honda GX390K1QA2/GX390U1QA2 Flywheel Assy FAN, Cooling Flywheel Honda GX390K1QA2/GX390U1QA2 Ignition Coil Assy WIRE, Stop Switch 430MM GROMMET, WireCLIP, Harness Honda GX390K1QA2/GX390U1QA2 Carburetor Assy Valve SET, Float Carburetor AssyIncludes Item W Float SET Honda GX390K1QA2/GX390U1QA2 Muffler Assy PROTECTOR, Exhaust Pipe Muffler 100DBPROTECTOR, Muffler PIPE, Exhaust Honda GX390K1QA2/GX390U1QA2 Recoil Starter Assy SPRING, Friction PULLEY, Recoil StarterRATCHET, Starter SPRING, Starter Return Honda GX390K1QA2/GX390U1QA2- Control Assy SPRING, Governor ARM, GovernorROD, Governor SPRING, Throttle Return Honda GX390K1QA2/GX390U1QA2 Fuel Tank Assy TANK, Fuel *NH31 RUBBER, Supporter 107MMJOINT, Fuel Tank TANK, Fuel *NH1 Honda GX390K1QA2 Gasket KIT Assy 12391ZE2020 11381ZE380012251ZF6W00 061A1Z6700 Honda GX390K1QA2/GX390U1QA2 Labels Assy LABEL, Caution MARK, OperatorMARK,, Throttle Indication MARK, Choke Orange Terms and Conditions of Sale Parts Freight PolicyPage HERE’S HOW to GET Help