

The Terex Site Dumper TA400 is a robust industrial asset designed for efficient material handling on construction sites. Known for its durability and versatility, this model excels in transporting heavy loads while ensuring operator safety and comfort. Regular maintenance is essential to maximize its performance and longevity.
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Find all the essential guides in one place.
Tensioning Guide
Belt-diagram
C-120 pulleys
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Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Integrate maintenance plans directly into your work orders.
Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Drive Motor
B2 Rollers
Tensioning System
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Terex Site Dumper TA400
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Integrate maintenance plans directly into your work orders in MaintainX.
50 Hourly / 1 Weekly Site Dumper Maintenance
Battery Electrolyte Level
Added Electrolite if low?
Wheel Rim Nuts. Check torque
Cab Fresh Air Filter Inspected and cleaned if required?
Panhard Rod Bearings Lubricated?
Oscillation Bushes Lubricated?
Suspension Beam Bushing Lubricated?
Steering Cylinder Pins Lubricated?
Body Cylinder Pins Lubricated?
Initial 100 Hours Site Dumper Maintenance
Differentials
Drain lubricant and refill to level plug
NOTICE: When refilling the centre axle ensure that 3rd differential unit is primed with 1 litre (1.75 UK pints) of oil before filling drive head
Planetaries
Drain lubricant and refill to level plug
Hydraulic Oil Filter
Clean filter housing and install new element at 100 hours of operation, or when indicated, whichever occurs first
NOTICE: A 6 µm filter is used to flush the system. This is replaced with a 12 µm filter for normal use. See vehicle Parts Book for filter part numbers
Brake Cooling Oil Filter
When Required Site Dumper Maintenance
Inspect seat belts for damage
Replace seat belts if required or at least once every three years
Inspect wiper blades and replace if damaged
Top up washer reservoir
Re-torque wheel rim nuts to 600 Nm after first 10 hours of operation
Torque should be applied in three stages. Nuts are to be torqued crosswise (opposing pairs). Check the torque every 50 hours (weekly) thereafter.
Steam clean the engine prior to performing any repair or service work on it, if heavily contaminated due to prevailing site conditions
Electrical and electronic connections, the Engine ECM and harness connections should be protected or not directly steam cleaned when on or removed from the engine.
The engine and its components that are scheduled to be checked, serviced or replaced must be cleaned in accordance with the manufacturer's recommendations.
1500 Hourly / 9 Monthly Site Dumper Maintenance
Differentials Drain oil and refill with new oil
Wheel Planetaries Drain oil and refill with new oil
OCDB Tank Drain oil and refill with new oil
OCDB Filter Renew
OCDB Strainer Clean
Axles - Drain lubricant and refill to level plugs.
NOTICE: When refilling the centre axle, ensure that the 3rd differential unit is primed with 1 litre (1.75 UK pints) of oil before filling the drive head.;
10 Hourly / 1 Daily Site Dumper Maintenance
Radiator Expansion Tank Check coolant level. Add if low
Drive Belt Visual Inspection for Damage
Engine Air cleaner Check. Renew element if required
Dropbox Check oil level. Add oil if low
Tyres Check condition and pressure
Filter/Water Separator Check. Drain as Required (T2 Only)
OCDB Tank Check oil level. Add oil if low
Walk Around Inspection - Inspect the machine as described in Section 4 of the operations manual.
Engine - Visually check the engine for damage, loose or frayed belts and listen for any unusual noises.
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