Toomey Earthmovers 4500B, Руководство пользователя

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4500B USER HANDBOOK
Page 21
3 Specifications
3.1 Scraper Specifications
The 4500B design specifications are listed in Table 3.1 below:
Table 3.1 - Specifications
Parameter Design Value
Approximate Tare Mass 12,500 kg
Maximum Payload Mass 25,000 kg
Static Vertical Drawbar Load Fully Laden 13,125 kg
System Pressure 20.7 MPa (3000 psi)
Required Tractor oil Flow based on 165mm/s
lift
1
196L/min
Maximum Drawbar Pull (0-30°) 250kN
Minimum Tractor Power Requirements 298 kW (400 hp)
Recommended Tractor Power Requirements 373 kW (500 hp)
1. Cutting Edge Lift Speed based on 100mm/s lift cylinder extension and lift
cylinder extension to cutting edge lift ratio of 1.65
3.2 Environmental Conditions
3.2.1 Temperature
The range of temperate the Scraper and its associated components are rated work within is:
-20°C to 50°C
Operating outside this range could potentially void warranties on the structure and components.
3.2.2 Humidity
There are no operational requirements for humidity.
3.2.3 Altitude
There are no operational requirements for altitude however, the operator is urged to consider
the effect on the power output of the tractor when operating at higher altitudes.
3.3 Hydraulic Specifications
3.3.1 Fluid Working Temperature Range
The working range of the hydraulic fluid, as determined by the seals and wipers used in the
hydraulic cylinders, is:
-20°C to 100°C
Operating outside this range could cause the hydraulic cylinders to fail and would void the
warranty on the cylinders.
3.3.2 Fluid Type
The required fluid for the Toomey Scraper is a Hydraulic Oil, ISO 6743-4 (HL, MH or HV). Consult
the tractor’s user manual and select a hydraulic fluid which meets the exact requirements of the
tractor.