Page 9 - 18 TA3H, TA3SH & TA3.5SH
9. Maintenance
9.18 Hydraulic System Return Filter
Refer to figure 9.18 which shows a typical return line filter. The return filter is fitted with a blockage
indicator.The indicator band is normally GREEN. If the blockage indicator band shows RED the
return filter must be changed.
Figure 9.18 - Typical Hydraulic System Return Filter
1. Blockage Indicator
(1) To Change the Filter
9.19 Hydraulic Hoses
Examine all hydraulic hoses for wear, damage and ballooning. Replace hoses with those of the
same size, specification and pressure rating. Hydraulic hoses must be replaced by genuine
manufacturers parts available from your dealer. Do not attempt to repair hoses - they must be
replaced.
PROCEDURE
1. Remove the floor plate.
2. Drain the hydraulic oil.
3. Clean the area around the filter.
4. Unscrew the filter cartridge.
5. Clean the sealing face on the filter body and smear with grease.
6. Smear hydraulic oil onto the sealing ring fitted to the new filter.
7. Screw on the new filter cartridge and tighten using hand pressure only.
8. Refill the system with clean fresh oil and test for leaks.
COV0008
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