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Multiquip ST-45HRM manual ST-45 Pump Control BOX Components

Models: ST-45HRM

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ST-45 PUMP — CONTROL BOX COMPONENTS

Figure 8. Pump Control Box Components

1.	Engine Tachometer – Monitors the engine RPM’s and
	hours of operation for the engine.
2.	Emergency Stop Button – Press emergency stop button
	to stop pump in an emergency.Turn knob counter clockwise
	to disengage the stop button.
3.	Hourmeter – Display's the number of hours the pump has
	been in use.
4.	Ignition Switch – Insert the ignition key here to start the
	engine. Turn the key clockwise to the “ON“ position, then
	continue turning clockwise to the “START“ position and
	release. To stop the engine turn the key fully counter-
	clockwise to the “STOP“ position.
5.	Battery Indicator Lamp– Indicates a low battery charge.
	Replace or charge battery. NEVER operate the ST-45 when
	this lamp is on.
6.	Oil Pressure Indicator Lamp– When lit, indicates correct
	operational pressure for running the ST-45.NEVERoperate
	the ST-45 if this lamp is off.
7.	Air Filter Indicator Lamp – Indicates the engine air filter
	is functioning properly. NEVER operate the ST-45 if this
	lamp is off.

8.	Direction Control Switch– This 2 position switch controls
	the direction of flow for any mix in the pump. The center
	position sets the pumping direction to forward and the right
	most position sets the pumping direction to reverse.
9.	Pump Operation Switch– This 2 position switch controls
	the operation of the pumping components and engine. The
	center position allows the operation of the pump and
	engine and the right most position allows only the engine
	to operate.

10. PressureTest Switch– Activates a self-diagnostic routine which tests the pressure of the pumping system, which can be read on the Pumping Pressure Gauge.

11. Pumping Control Switch – This 3-position switch controls the pumping of the pump.The left most position is for use with the remote control unit, the center position is for normal pumping operation, and the right most position (OFF) prevents pumping.

12. Cooling Fan Switch – If hydraulic oil temperature exeeds 75° F, set the pump operation switch to engine and turn the cooling fan switch to the right most position to activate cooling fan.

13.Remote Cable Connector – Insert the remote control input cable into this connector.

PAGE 22 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

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Multiquip ST-45HRM manual ST-45 Pump Control BOX Components

Contents

Model ST-45HRM Proposition 65 Warning Heres HOW to GET Help Mayco ST-45HRM Structural Concrete Pump Wilmington Ave Carson, CA Parts Ordering ProceduresMultiquip INC ST-45 Pump Specifications ST-45 Pump Pump SpecificationsEngine Specifications ST-45 Pump Engine SpecificationsST-45 Pump Dimensions ST-45 Structural Concrete Pump DimensionsST-45 Pump Safety Message Alert Symbols Seriously injured if you do not follow directionsST-45 Pump Safety Message Alert Symbols Always wear approved respiratory protectionGeneral Safety Never operate the pump in an explosiveTransporting Maintenance SafetyST-45 Pump Rules for Safe Operation TowingBattery EmergenciesST-45 Pump Operation and Safety Decals Machine Safety DecalsST-45 Pump Operation and Safety Decals ST-45 Pump Important Hand Signals Operation Hand SignalsST-45 Pump General Information Concrete Mix DesignST-45 Pump General Information Regional DifferencesST-45 Pump HOW IT Works Pumping CycleST-45 Pump Pump Components Major Pump ComponentsST-45 Pump Pump Components ST-45 Pump Control BOX Components ST-45 Pump Engine Components Initial ServicingGetting the concrete to flow through ST-45 Pump Operating ProceduresOperating Suggestions NotremotelyAdmixtures Pumping TipsPriming the Pump and Delivery System with Slurry Stop the pump.Switch off the engine Reverse Pumping ProcedureShuttle Tube Inspection Procedure Clearing Concrete BlockageCarefully knock the end of the hose away from the reducer Chip the concrete out of the reducer with the pry barNience Fuel Check Read safety instructions at the begin- ning of manualST-45 Pump Inspection Before StartingMake sure pump/engine is placed on level ground ST-45 Pump InspectionEngine OIL Check Hydraulic OilHydraulic Oil Filler Hole Rear Stabilizer StandIgnition Switch ST-45 Pump Initial START-UP ProcedureEmergency Stop Switch StartingControl Switch Strokes within 1 minuteCooling FAN Engine SpeedRunning Pressure TestOptional Radio Remote Control ST-45 Pump Initial START-UP ProcedureCylinder Lubrication BOX ST-45 Pump -TOWING Guidelines Recommended MaintenancePumpTrailerVehicle Connection ST-45 Pump -TOWING Guidelines Towing ApplicationsST-45 Pump -TRAILER Safety Guidelines Match the size of the tireTiresWear/Inflation ST-45 Pump -TRAILER Safety GuidelinesTires/Wheels/Lug Nuts SuspensionLug Nut Torque Requirements ST-45 Pump -TRAILER Safety GuidelinesStart all wheel lug nuts by hand Towing Information ST-45 -TOWING InformationUSE 2 Ball only Backing UP ST-45 -TOWING InformationBack the trailer up ST-45 Pump Wiring Diagram Tail Lights TrailerTail Lights Wiring DiagramST-45 Pump Maintenance Pump Cleaningthe Pump and Delivery SystemHydraulic OIL System Maintenance ST-45 Pump Maintenance PumpEngine Hatz Model 3M41 57HP Diesel Brake System ST-45 Pump Maintenance PumpBattery Maintenance Lubricate the hitch ball withST45 Pressure Setting Sequence To set maximum pump pressureST45 Accumulator Circuit Cleaningthe Lubrication BOXChecking Accumulator Bladder Pressure Pilot Relief Valve Cartridge Adjustment Oil prior to installation Cylinder CUP Replacement ProcedureSize and type of aggregate Type of concrete being pumped Install the two cylinder O rings Hopper Interior Assy, Item Wear Plate and Ring Replacement ProcedureWear Plate Installation Wear Ring installationWheel Bearings Extended Storage InstructionsPage ST-45 Pump Hydraulic Hose Connections Hydrauilc Hose ConnectionsST-45 Pump Hydraulic Hose Connections ST-45 Pump Hydraulic Hose Connections ST-45 Manifold Port Locations Manifold PortsAppendix ST-45 Pump Concrete MIX Information Appendix ST-45 Pump Concrete MIX Information Appendix ST-45 Pump Slumptest Procedure SlumpTest 1/3 FullST-45 Pump Troubleshooting Engine Engine TroubleshootingST-45 Pump -TROUBLESHOOTING Hydraulic System Hydraulic System TroubleshootingST-45 Pump -TROUBLESHOOTING Electrical System ST-45 Pump -TROUBLESHOOTING Brake System Brake System TroubleshootingPage ST-45 Pump Explanation of Code in Remarks Column Items Found In the Items Number ColumnST-45 Structural Concrete Pump ST-45 Suggested Spare PartsPart numbers on this Suggested Appendix ST-45 Pump Recommended Shotcrete System Shotcrete SystemGeneral recommendations REDUCER, 3x2.5x36 H-D EndsVibrator on the reducer by the pool improves pumpability Air passages clean Material has Passedthroughthe Entire Hose LengthPart Name QTY Remarks ST-45 Pump Decal Placement TBD DECAL, Hopper Rexmixer ST-45 Pump Axle Assy Part Name QTY ST-45 Pump Brakeline Assy TBD NUT Lock Washer ST-45 Pump Hopper Assy REMIXER, Shaft ST-45 Pump Hopper Attachment Assy ST-45 Pump Hopper Attachment Assy BOLT, HEXST-45 Pump Hopper Interior Assy NUT Lock 5/8 BOLT, HEX Head 1/2 NC X 1 1/4ST-45 Pump Shuttle Cylinder Assy Thrust Washer Fuel and Hydraulic Tank Connections Assy ST-45 Pump Fuel and Hydraulictank Connections Assy ST-45 Pump Fuel and Hydraulictank Assy ST-45 Pump Fuel and Hydraulictank Assy ST-45 Pump Front Cover Assy ST-45 Pump Front Cover Assy ST-45 Pump Heat Exchanger Assy ST-45 Pump Heat Exchanger Assy ST-45 Pump Engine and Frame Assy ST-45 Pump Engine and Frame Assy ST-45 Pump -THROTTLE and Water Filter Assy Bracket ST-45 Pump Hydraulic Pump Assy ST-45 Pump Hydraulic Pump Assy ST-45 Pump Lubrication Pistons Assy ST-45 Pump Lubrication Pistons Assy Sistema Electrico Hatz Assy ST-45 Pump Electrical System Assy ST-45 Pump Accumulator Assy Accumulator 1 Gallon ST-45 Pump Manifold Assy Test Port ST-45 Pump Remixer Control Assy Valve Remix W/LEVER ST-45 Pump Battery Assy Battery Holder Frame ST-45 Pump Lubrication Panel Grease PointsST-45 Pump Lubrication Panel ST-45 Pump -TAILLIGHT Assy Tail Light Assy ST-45 Pump Control BOX Interior Door Assy Relay , Small ST-45 Pump Control BOX Mounting Assy 492366 Screw HHC 5/16-18x1-1/2 EM510703 ST-45 Pump Control BOX Assy Tachometer ST-45 Pump Control BOX Doorwiring Diagram ST-45 Pump Control BOX Interiorwiring Diagram ST-45 Pump -TERMINAL Blockwiring Diagram ST-45 Pump Control BOX Electrical Schematic ST-45 Pump Control BOX Electrical Schematic TB1 ST-45 Hydraulic Diagram Part ID Description QuantityST-45 Optional Radio Control Terms and Conditions of Sale Parts FreightpolicyMechanical Drive Models Mayco PumpwarrantyHydraulic Drive Models Your Local Dealer is Multiquip INC