Maintenance 9
1-October-2013 United Kingdom Operations Manual
Page 9 - 10 TA9 & 10 Tier 4
(1) To Check the Level
(2) To Add Oil
9.12 Hydraulic System
During ANY maintenance extreme care must be taken to make sure the cleanliness of the
hydraulic circuit is maintained. By observing strict hydraulic cleanliness the machine will benefit
from fewer hydraulic failures through contamination.
• Always thoroughly clean machine before any hydraulic maintenance. Use paper roll, not rag,
to wipe parts.
• Always use fresh, clean hydraulic oil from a sealed container.
• Always make sure old gasket particles and excess sealing compound etc. do not enter the
system. If they do clean them out.
• Never use dirty containers for oil storage.
• Never use dirty containers or funnels for filling hydraulic system.
A description of the hydraulics is contained in section 4 of this manual. Hydraulic diagrams will
be found in Appendix 2.
A filler/dipstick is provided on top of the tank - Refer to Figure 9.11.
NOTICE
Never overfill the transmission as this will result in oil breakdown due to excessive heat and
aeration of the oil caused by the churning action of the oil. Breakdown of the oil will cause heavy
sludge deposits that will block oil ports and build up on splines and bearings.
PROCEDURE
1. Drive the machine for about 1 minute and then stop and park up on flat level ground.
2. Pull out the dipstick and wipe off with a lint free cloth or paper.
3. Replace the dipstick and then remove again.
4. The level should be between the MIN and MAX marks on the dipstick.
5. If the oil is below the MIN mark top up with the correct grade of oil.
PROCEDURE
1. Remove the dipstick/filler
2. Add the correct grade of oil until it reaches the MAX mark on the dipstick.
3. Replace the dipstick.
4. Drive the machine for a few minutes then re check the level.
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