Models LS400/LS500
Diesel engine exhaust and some
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LS400/LS500 Pump -TABLE of Contents
Ordering parts has never been easier
Parts Ordering Procedures
You can be injured if you do not follow directions
LS400/LS500 Pump Safety Message Alert Symbols
Is running or hot
Always wear approved respiratory protection
LS400/LS500 Pump Safety Message Alert Symbols
LS400/LS500 Pump Rules for Safe Operation
General Safety
Towing
LS400/LS500 Pump Rules for Safe Operation
Transporting
Always know the location of the nearest and first aid kit
Maintenance Safety
Battery
Emergencies
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Pump Specifications
LS400/LS500 Pump Specifications
Dimensions
Dimensions
Operation Hand Signals
LS400/LS500 Pump Important Hand Signals
Concrete MIX Design
LS400/LS500 Pump General Information
Regional Differences
LS400/LS500 Pump General Information
Pumping Cycle
LS400/LS500 Pump HOW IT Works
LS400/LS500 Pump Pump Components
LS400/LS500 Pump Pump Components
Counterclockwise to the Stop position
Switch controls the pumping function. The leftmost
LS400/LS500 Pump Digital Control Panel Components
Operation
Primary Screen
LS400/LS500 Pump Digital Readout Screen
Initial Servicing
LS400/LS500 Pump Engine Components
Check fastening nuts and bolts for tightness
Fuel Check
Before Starting
Hydraulic OIL Check
LS400/LS500 Pump Inspection
Engine OIL Check
Remove the engine oil dipstick from its holder Figure
Hydraulic Oil Filler Hole
Hydraulic Rear Stabilizer Jacks Optional
LS400/LS500 Pump SET-UP
Location of Pump
Rear Stabilizer Jacks
Starting Procedure
LS400/LS500 Pump START-UP Procedure
Priming the Pump with Slurry Mixture
LS400/LS500 Pump Operation
Hose Lubrication
Pumping
Accumulator Pressure Gauge
Radio Remote Control
Remote Control Optional
LS400/LS500 Pump Operation
Cable Remote Control
Hose Pulsation
Remixtures
Downhill Pumping
Vertical Pumping
Effects of Heat and Excessive Time on Concrete
LS400/LS500 Pump Pumping Information
SNAP-JOINT Couplings
NEW Pumps
Clearing Concrete Blockage
Clearing the System After MIX SET UP
Clearing Shuttletube Blockage
Reverse Pumping Procedure
Shuttle Tube Inspection Procedure
Cleaning the Pump and Delivery System
LS400/LS500 Pump Maintenance Pump
Hydraulic OIL System Maintenance
LS400/LS500 Pump Maintenance Pump
Brake System
Battery Maintenance
Accumulator Circuit
Cleaningthe Lubrication BOX
Cylinder Lubrication BOX
LS400/LS500 Pump Maintenance Pump
Off
Size and type of aggregate Type of concrete being pumped
Changingthe Wear Plate and Ring
Wear Plate and Ring Replacement Procedure
Wear Plate Installation
Wear Ring installation
Pressure Test
Wheel Bearings
Extended Storage Instructions
Hydraulic Brakes
Manually Adjusting the Brakes
Trailer Brakes
Adjustable Channel
LS400/LS500 Pump Maintenance Trailer
Tube
Torsion Suspension
Trailer Towing Guidelines
LS400/LS500 Pump -TRAILER Safety Guidelines
Always use lower gears for climbing and descending grades
Common Causes for Loss of Trailer
Coupling to the Tow Vehicle
Driving Conditions
Trailer Towing Tips
Reporting Safety Defects
Inoperable Brakes, Lights or Mirrors
Trailer VIN Tag
LS400/LS500 Pump Trailer Safety Guidelines
Tow Vehicle
Electrical Connector
Safety Chains
Trailer Lighting and Braking Connector
Ball Hitch Coupler
Coupler Types
Ball Hitch Coupling Mechanism
Breakaway Brake System
Attaching Safety Chain
Attach the safety chains so that they
Unsafe Tires, Lug Nuts or Wheels
LS400/LS500 Pump Trailer Safety Guidelines
Connecting Trailer Lights
Uncoupling the Ball Hitch
Tire and Loading Information Placard
Determining Load Limit of Trailer
Tire Fundamentals
Step
Determining Load Limit of Tow Vehicle Step
P indicates the tire is for passenger vehicles
Uniform Tire Quality Grading Standards Utqgs
Load Range
Tire Safety Tips
Tire Repair
Replacing Worn or Damaged Tires
Start all wheel lug nuts by hand
Wheel Rims
Wheels, Bearings and Lug Nuts
Lug Nut Torque Requirements
Lights and Signals
Trailer to Tow Vehicle Wiring Diagram
Zero prior to performing any maintenance on the pump
LS400/LS500 Pump Troubleshooting Pump
LS400/LS500 Pump Troubleshooting Pump
PSI
Engine Troubleshooting
LS400/LS500 Pump -TROUBLESHOOTING Engine
Brake System Troubleshooting
LS400/LS500 Pump -TROUBLESHOOTING Trailer Brake System
Malfunction
LS400/LS500 Pump Troubleshooting Electrical
Electrical Troubleshooting
Refer to for the location of components for troubleshooting
Probable Cause Solution
LS400/LS500 Pump Troubleshooting Electrical
Location of Components for Electrical Troubleshooting
Connections to Digital Control Box J1 and J2 Connectors 1
LS400/LS500 Pump Wiring Diagram Control BOX
Connections to Digital Control Box J1 and J2 Connectors 2
LS400/LS500 Pump Wiring Diagram Control BOX
Connections to Digital Control Box J3 and J4 Connectors 1
Connections to Digital Control Box J3 and J4 Connectors 2
Optional Hopper Vibrator Wiring Diagram
LS400/LS500 Pump Wiring Diagram Hopper Vibrator
Hydraulic System Diagram
LS400/LS500 Pump Hydraulic System Diagram
Manifold Block Ports
LS400/LS500 Pump Manifold Block Ports
Appendix Concrete MIX Information
Appendix Concrete MIX Information
Appendix Slumptest Procedure
Recommended Shotcrete System
Appendix Recommended Shotcrete System
10 EM23101 AIR Vibrator Assy
13 EM23808D Nozzle ASSEMBLY, 2 H-D
Appendix Recommended Shotcrete System
Recommended Shotcrete System NO. Part no Part Name
Has Passed Through the Entire Hose Length
Appendix Recommended Shotcrete Accessories
Recommended Shotcrete Accessories
Part Name QTY Remarks
Xxxxx only Not Used on
LS400/LS500 Pump Explanation of Code in Remarks Column
Unit
LS400/LS500 Pump Suggested Spare Parts
Nameplate and Decals
LS400/LS500 Pump Nameplate and Decals
DECAL, Minimum OIL Level
DECAL, Engine RPM Setting
DECAL, Maintenance
DECAL, Hopper REX Mixer TBD
LS400/LS500 Pump Nameplate and Decals
DECAL, Hydraulic OIL only
TBD DECAL, Fault Locator
TBD DECAL, Impact Hazard
Included W/ITEM
Frame Assy
LS400/LS500 Pump Frame Assy
PIN
FRAME, Main
Jack STAND, Front
Clevis PIN
Axle ASSY. RIGHT/LEFT
LS400/LS500 Pump Axle ASSY. RIGHT/LEFT
Inner Bearing Cone 2
Brake Line Assy
LS400/LS500 Pump Brake Line Assy
KIT, Main Brake Line
Brake Light Assy
LS400/LS500 Pump Brake Light Assy
29207
29242
Trailer Hitch Assy
LS400/LS500 Pump -TRAILER Hitch Assy
ACTUATOR, Brake
LS400/LS500 Pump Battery Assy
LS400/LS500 Pump Battery Assy
Hopper Assy
LS400/LS500 Pump Hopper Assy
Follower Ring
Housing
Hopper Seal
Remixer Shaft
Hopper Attachment Assy
LS400/LS500 Pump Hopper Attachment Assy
TIE ROD
Splash Plate
Hinge PIN
PIN, Splash Plate
Hopper Interior Assy
LS400/LS500 Pump Hopper Interior Assy
RING, Energizer Rubber
Swing Axle Bushing
Ring SEAL, Shuttle Axle
Wear Ring HF
Shuttle Cylinder Assy
LS400/LS500 Pump Shuttle Cylinder Assy
Cotter PIN 5/32 X 2
Thrust Washer
Tensioner
HEX NUT 1 in NF
Lubrication Pistons Assy
LS400/LS500 Pump Lubrication Pistons Assy
SEAL, Connector Housing
BAR,PROXIMITY Switch Support
SWITCH, Proximity W/CABLE
Cable HOUSING, Female
LS400/LS500 Pump Lubrication Pistons Assy
WASHER, Lock 5/16
Adjustment ROD, Proximity Switch
BRACKET, Adjustment ROD
BOLT, HEX Head 5/16 NC X 1 IN. G5
Fuel Tank Assy
LS400/LS500 Pump Fueltank Assy
Adaptor
COVER, Diesel Tank
Gasket
CAP, Fuel W\GAUGE
Heat Exchanger Assy
LS400/LS500 Pump Heat Exchanger Assy
Hose 2000 PSI
Heat Exchanger
COVER, Heat Exchanger
Hose 4000 PSI
Accumulator Assy
LS400/LS500 Pump Accumulator Assy
Part Name QTY
Remixer Control Assy
LS400/LS500 Pump Remixer Control Assy
Adapter FITTING, Straight
Valve Remixer W/ Lever
Adapter FITTING, T
Adapter FITTING, 90 Elbow
Position Location
LS400/LS500 Pump Lubrication Panel
Grease Points
HOSE, Steel
Connector
Lubrication Panel Assy
HOSE, Plastic
Engine Cover Assy
LS400/LS500 Pump Engine Cover Assy
Document Cylinder
COVER, TOP
COVER, Front Engine
Hydraulic Tank Assy
LS400/LS500 Pump Hydraulictank Assy
Hydraulic TANK, LS-S
LS-40TD/LS-50TD Engine Assy
LS400/LS500 Pump Engine Assy
Engine Assy
CONNECTOR, AIR Filter
HOOD, AIR Cleaner
CARTRIDGE, Safety AIR
Throttle Assy
LS400/LS500 Pump -THROTTLE Assy
EM98233
Support
Water Separator Assy
LS400/LS500 Pump -WATER Separator Assy
BRACKET, Water Separator TBD Bolt
Hydraulic Pump Assy
LS400/LS500 Pump HYD. Pump Assy
ADAPTER, Suction Pipe
EM492444 Bolt 1/2 X 1-1/4
Manifold Assy Front Machine
LS400/LS500 Pump Manifold Assy
Check Valve
EMBK227
Pilot VALVE, Shuttle
Pilot VALVE, Main Cylinder
Control BOX Assy
LS400/LS500 Pump Control BOX Assy
Flow Direction Switch Assy
Ignition Switch Assy
Emergency Stop Switch Assy
Contact BLOCKS, Emergency Switch
Control BOX Harnesses Assy
LS400/LS500 Pump Control BOX Harnesses Assy
Conductive Divider 3/8
Wire Harness
FUSE, 30 AMP
Remote Control Cable Assy
LS400/LS500 Pump Remote Control Cable Assy
Junction BOX
Switch
CONNECTOR, Ring 3/16
Guard Switch Aluminum
LS400/LS500 Pump Hydraulic Stabilizer ASSY. Optional
LS400/LS500 Pump Hydraulic Stabilizer ASSY. Optional
Freight Policy
Terms and Conditions of Sale Parts
Mechanical Drive Models
Mayco Pumpwarranty
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