450E Backhoe Loader Caterpillar


Engine Starting with Starting Aid

Usage:

450E EBL

------ WARNING! ------

Do not use aerosol types of starting aids such as ether. Such use could result in an explosion and personal injury.


  1. Engage the parking brake.

  2. Lower any raised work tools to the ground and move the hydraulic controls to the HOLD position.

  3. Move the direction control lever to NEUTRAL. Push the top of the transmission neutral lock switch in order to engage the transmission neutral lock.

    Note: The engine will not start unless the directional control lever is in NEUTRAL.

  4. Before you start the engine, check for the presence of bystanders or maintenance personnel. Ensure that all personnel are clear of the machine. Briefly sound the front horn before starting the engine.

  5. The thermal starting aid is controlled by the engine ECM. Turn the engine start switch to the ON position. The indicator for the thermal starting aid will light if the ambient conditions are right. When the light goes off, turn the engine start switch so the START position in order to start the engine.

  6. When the engine starts, release the engine start switch key. Do not increase engine speed until the engine runs smoothly.

  7. If the engine does not start within 30 seconds, release the engine start switch key. Wait for two minutes before attempting to start the engine again.

  8. After the engine has started, release the throttle control.

For starting below −18°C (0°F), the use of additional cold weather starting aids is recommended. Any of the following may be required:

  • Coolant heater

  • Fuel heater

  • Oil heater

  • Extra capacity battery

At temperatures below −23°C (−10°F), consult your Caterpillar dealer. Also, refer to Special Publications, SEBU5898, "Cold Weather Recommendations". This publication is available from your Caterpillar dealer.

Cold Weather Starting Capabilities

------ WARNING! ------

Do not spray ether into engine when using Thermal-Starting Aid to start engine.

Personal injury and machine damage could result.

Follow the procedures in this manual.


The starting capabilities of the backhoe loaders at different cold temperatures are listed in the following chart. The temperatures that are listed are the minimum starting temperatures for the given machine criteria. Engine oil viscosity is VERY important to the cold weather starting capability of the engine.

Table 1
Coldest Ambient Temperature
°C (°F) 
Engine Oil Viscosity  Fuel Type  Starting Aid 
0°C (32°F)  10W30  No. 2 Diesel  Starting Aid is not required. 
−18°C (0°F)  10W30  No. 1 Diesel  Thermal Starting Aid 
−29°C (−20°F)  5W20  No. 1 Diesel  Thermal Starting Aid and Block Heater 

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