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Pronar T400
Checking the hydraulic connectors and sockets:
5.4.4
HYDRAULIC HOSES REPLACEMENT
Rubber hydraulic hoses should be replaced every 4 years regardless of their technical
condition. This operation should be entrusted to specialized workshops.
Replacement of hydraulic hoses:
5.5 SUSPENSION SERVICE
Table 5.2
Mechanical suspension service schedule
INSPECTION
INTERVAL
After the first ride with
a load.
Before intensive use
or once every 6
months.
Once a year
• Each time before connecting the trailer to the tractor.
• every 4 years.
Tighten all "U" bolt nuts on the axle to the recommended tightening
torque - figure (5.11) pos. A. Tighten the nuts diagonally.
Tighten all screw connections of the bolts in the suspension pos. B
and item D (spring clamps, brackets, rigid and adjustable reaction
rods, springs) - figure (5.11).
Tighten the fastening of the adjustable reaction rods - figure (5.11)
pos. C. If the screws are loose, the length of the rods may not be
correct. Check that the axles are correctly aligned after tightening the
screws (middle section with left- and right-hand thread).
Tighten the elastic sleeves of the rigid and adjustable reaction rods.
Pressure pads (pos. 1) should not touch the support (pos. 2). If they
are in contact, replace the rubber conical sleeves (item 3) - figure
(5.12).
The rubber sleeves should be lubricated before assembly.
Check the condition of the springs (item 5): clean thoroughly and brush
the sides of the springs to check for cracks.
SERVICE ACTIVITIES
5.26
CHAPTER 5
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