Services; Oil - jcb JS300 Service Manual

Check (Leaks)
NOTICE If the fluid is cloudy, then water or air has contaminated the system. This could damage the
hydraulic pump. Contact your JCB dealer immediately.
1. Make the machine safe.
Refer to: Maintenance > Maintenance Positions (Page 184).
2. Open the access covers.
Refer to: Maintenance > Access Apertures (Page 191).
3. Check the hydraulic hoses for damage.
Refer to: Maintenance > Hydraulic System > General > Check (Condition) (Page 221).
4. Close the access covers.
5. If necessary, contact your JCB dealer.

Services

Check (Operation)
Check the operation of all the hydraulic services. Check for:
• Speed of operation
• Strength of operation
• Juddering
• Abnormal noises.
Do not use the machine if one or more of these faults are found. You must make sure that the hydraulic service
is repaired immediately.

Oil

Check (Level)
1. Make the machine safe.
Refer to: Maintenance > Maintenance Positions (Page 184).
2. Look at the hydraulic fluid in the sight tube. If the hydraulic fluid is cloudy, water or air is in the system. Water
or air in the system can damage the hydraulic pump. Contact your JCB dealer if the hydraulic fluid is cloudy.
Refer to: Maintenance > Service Points (Page 185).
3. The level of hydraulic fluid should be between the two marks on the sight tube.
4. If necessary, add the recommended hydraulic fluid:
Refer to: Technical Data > Fluids, Lubricants and Capacities (Page 262).
4.1. Release the pressure from the hydraulic tank.
Refer to: Maintenance > Hydraulic System > General > Discharge (Page 221).
4.2. Get safe access to the hydraulic filler port.
Refer to: Maintenance > Service Points (Page 185).
4.3. Remove its cover plate to access the hydraulic filler port.
4.4. Use a suitable container to add the hydraulic fluid through the filler port.
4.5. Check the level of hydraulic fluid.
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Maintenance
Hydraulic System
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