Cooling System; General; Coolant - jcb JS300 Service Manual

General

Check (Leaks)
Before you start the machine, inspect the system for leaks:
1. Make the machine safe.
Refer to: Maintenance > Maintenance Positions (Page 184).
2. Get access to the cooling pack.
Refer to: Maintenance > Access Apertures (Page 191).
3. Check the cooling system for leaks.
4. If necessary, contact your JCB dealer.

Coolant

Check (Condition)
Refer to: Technical Data > Fluids, Lubricants and Capacities > Coolant (Page 264).
Check (Level)
1. Make the machine safe.
Refer to: Maintenance > Maintenance Positions (Page 184).
2. Let the engine cool.
3. Get access to the radiator cap and coolant expansion bottle.
Refer to: Maintenance > Access Apertures (Page 191).
CAUTION! The cooling system is pressurised when the coolant is hot. When you remove the cap, hot
coolant can spray out and burn you. Make sure that the engine is cool before you work on the cooling
system.
4. Check the fluid level in the radiator:
4.1. Carefully loosen the radiator cap and let the pressure release from the system.
Refer to: Maintenance > Service Points (Page 185).
4.2. Remove the cap from the radiator.
4.3. Add the recommended coolant up to the top of the filler neck.
Refer to: Technical Data > Fluids, Lubricants and Capacities (Page 262).
4.4. Manipulate the top radiator hose to make sure that there are no air locks in the system.
4.5. Replace the cap.
5. Check the fluid level in the expansion bottle, if the fluid level is low:
5.1. Remove the cap from the expansion bottle.
5.2. Add the recommended coolant up to the maximum mark.
5.3. .Replace the cap
6. Start the engine.
7. Turn the cab heater to hot and full blower speed.
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Cooling System

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Maintenance
Cooling System
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