Maintenance and Adjustment
410/420/430 - 001 8903 U1
UZEL
75
Linkage pump oil strainer
Clean the linkage pump oil strainer at first 50 hours
then 1000 hours thereafter.
1. Drain the oil by removing the two drain plugs
(Fig. 107) as described on previous page.
2. Remove the three bolts (2,Fig. 107) and washers
securing the cover plate (3) to the bottom of the
center housing.
3. Remove the clip (5), nut (6), spring (7), washer (8)
and 'O' ring (9).
4. Pull out the strainer (10).
5. Thoroughly clean the strainer with a paint brush
and a container of solvent. Remove all particles of
debris from the folds of the strainer material.
6. Carry out an inspection of the strainer material,
discard and replace the strainer if any damage is
detected.
7. Check that the strainer stud (11) is tight in the
pump housing.
8. Check that the 'O' ring is seated in the pump, then
refit the strainer (10).
9. Refit the 'O' ring (9), washer (8), spring (7), nut (6)
and the clip (5).
10. Using a new gasket (4), refit the cover plate (3),
with the three bolts (2) and washers.
11. Refit the two drain plugs.
12. Refill the transmission (Fig. 106) with an approved
oil.
Auxiliary pump oil strainer
Clean the auxiliary pump oil strainer at first 50 hours
then 1000 hours thereafter.
1. If not changing the transmission oil and to avoid
oil spillage when removing the oil strainer, drain off
10 liters (2.6 US gal.) of oil through the drain plugs
or position the tractor so that the front is facing
downhill.
2. Remove the four nuts securing the cover plate to
the strainer body (1, Fig. 108)
3. Remove the cover plate (4) which has a spring
attached to the inside.
4. Pull out the strainer (2).
5. Throughly clean the strainer in solvent with a
suitable brush. Remove all particles of debris from
the screen of the filter.
6. Carry out an inspection of the filter material, discard
and replace the strainer if any damage is detected.
7. Refit the strainer.
8. Check that the gasket (3) is in good condition
otherwise fit a new one.
9. Refit the cover plate with the four nuts, tighten
securely.
10. Refit the two drain plugs.
Fig.107
Fig.108
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