Recovery Vehicle (RV) Operating Information Quiz

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Questions and Answers

What is the recommended tire pressure for off-road driving in mud and sand?

3.40 bar for front axle, 7.10 bar for rear axle

3.40 bar for both front and rear axle

2.00 bar for both front and rear axle

2.00 bar for front axle, 3.70 bar for rear axle (correct)

What is the torque setting for the wheel nuts?

260 Nm

7.7 Nm

575 Nm (correct)

120 Nm

What is the fuel tank capacity of the vehicle?

120 litres

500 km

400 litres (correct)

260 litres

What is the recommended oil for the central hydraulic system?

OX75 - BUM Signup and view all the answers

What is the recommended oil for the top hamper hydraulic system?

OX75 - BUM Signup and view all the answers

What is the recommended procedure for checking the transmission oil level when the engine is cold?

Run the engine at 1200 to 1500 rpm for 15 to 20 seconds, then at an idle speed of 600 to 800 rpm for 2 to 3 minutes, and check the dipstick Signup and view all the answers

What is the recommended procedure for checking the transmission oil level when the engine is hot?

Run the engine to achieve normal coolant temperature, then run at 1800 rpm for 10 minutes, and check the dipstick Signup and view all the answers

What is the operating voltage of the electrical system?

28V Signup and view all the answers

What is the purpose of the auxiliary battery box?

To provide additional emergency power when the vehicle is shut down Signup and view all the answers

What is the recommended air pressure for the tyre inflator?

8.5 bar Signup and view all the answers

What is the maximum gross vehicle weight (GVW) of the recovery vehicle?

30,000 kg Signup and view all the answers

What is the recommended tire pressure for the front axle tires during normal road driving?

5 bar Signup and view all the answers

What is the fording depth (unprepared) of the recovery vehicle?

1,500 mm Signup and view all the answers

What is the drive configuration of the recovery vehicle?

8 x 8 Signup and view all the answers

What is the oil quantity range between the minimum and maximum levels?

6 liters Signup and view all the answers

What is the overall width of the recovery vehicle?

2,550 mm Signup and view all the answers

What is the maximum speed of the recovery vehicle?

56 mph (88 kph) Signup and view all the answers

What is the turning circle (wall to wall) of the recovery vehicle?

28.6 m Signup and view all the answers

What is the ground clearance at the rear of the vehicle?

390 mm Signup and view all the answers

What is the gross train weight (GTW) of the recovery vehicle?

72,000 kg Signup and view all the answers

Study Notes

Wheels & Tyres

Front axle tyres: 16.00 R 20 XZL tyres & 10.00W – 20” rims
Rear axle tyres: 16.00 R 20 XZL tyres & 10.00W – 20” rims
Tyre pressure for off-road driving:
- X-country: 3.40 bar (front), 7.10 bar (rear)
- Mud & sand: 2.00 bar (front), 3.70 bar (rear)
Tyre pressure for normal road driving:
- Front axle: 5 bar
- Rear axle: 7.60 bar
Wheel nut torque settings: 575 Nm (after fitting, re-check after 50 km)

Fuel System

Fuel tank capacity: 400 litres
Range: 500 km
Pre-filter type: Pre-cleaner with cartridge
Main filter type: Micro filter
Injection system: Common rail, EDC

Hydraulic System

Central Hydraulic System: 120ltrs OX75 – BUM (OM15 below -15)
Top Hamper Hydraulic System (Main Hydraulic Tank): 260ltrs OX75 – BUM (OM15 below -15)
Checking oil level with cold transmission and engine running:
- Run engine at 1200 to 1500rpm for 15 to 20 seconds and then at an idle speed of 600 to 800 rpm for 2 to 3 minutes
- Remove dipstick and check oil level within cold zone 30°c markings
Checking oil level with hot transmission and engine running:
- Run engine to achieve normal coolant temperature and then run at 1800rpm for a further 10 minutes
- Allow engine to idle at 600 to 800rpm for 2 minutes and remove dipstick
- Check oil level within warm zone 80 to 90°c markings

Electrical System

Rated voltage: 24V
Operating voltage: 28V
Batteries: 12V/100Ah NATO EMC/NEMP protection, 4 automotive & 2 radio
6 monthly check, clean and grease terminals
Auxiliary Battery Box: Emergency-off switch located on the left-hand side of the vehicle
If radio power is required when the vehicle is shut down, the auxiliary battery emergency switch must be set to on

Recovery Vehicle (RV) Operating Information and Vehicle Data

Overall length (including trailer coupling): 10465 mm
Height to top of cab: 3034 mm
Height to highest fixed point: 3300 mm
Guard over crane controls: Overall Width 2550 mm
Ground Clearance: Front 430 mm, Rear 390 mm
Fording Depth: 1200 mm (unprepared), 1500 mm (prepared)
Drive Configuration: 8 x 8
Front Axle Plated Weight: 8100 kg each axle
Rear Axle Plated Weight: 9000 kg each axle
Gross Vehicle Weight (GVW): 30000 kg
Gross Train Weight (GTW): 72000 kg
Approach Angle: 40°
Departing Angle: 35°
Turning Circle (wall to wall): 28.6 m
Maximum Speed: 88 kph (56 mph)

Other

Oil capacity: 42 Litres OX 90 – BUM & EUM
Oil quantity between MIN and MAX: 6 litres
Braking System: 6 bar
Tyre Inflator: 8.5 bar
Air Tools: 10 bar

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Test your knowledge about the operating information and vehicle data of a Recovery Vehicle (RV) based on the provided specifications such as overall length, height, ground clearance, fording depth, drive configuration, and more.