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104
Maintenance and choice of consumables
Monthly
This section lists the operations to be carried out for the monthly maintenance of
the machine:
" check the perpendicularity of the blade to the work surface; if it is necessary
to adjust the blade setting, follow the instructions set out in Chapter 7;
" check on blade orthogonality with respect to the workpiece rest shoulder; if
adjustment is necessary, proceed as instructed in Chapter 7;
" check that the 0˚ notchontheworktableisinlinewiththegraduationonthe
turntable; if not, readjust by regulating the 0˚ stop; then re---check that the
blade is perpendicul ar and orthogonal;
" check the precision of the 45˚ and 60˚ right stops and the 45˚ left stop; if
out---of---set, adjust following the steps indicated in Chapter 7;
" check the state of the widia inserts and the blade steady button; replace if
worn or chipped; check their positions and adjust if necessary (see Chapter
7);
" thoroughly clean the bottom of the water tank and the electropump filter.
Maintenance of working parts
Maintenance personnel working on the S20DSP must pay particular attention to
operating components such as the blade tensioning cylinder (already dealt with in
Chapter 7), loading, the air treatment unit and the pneumatic vice. No mainte-
nance i s required for the worm screw reduction gear fitted on the machine.
Consumable materials
It is essential to use specific oils for the pneumatic and lubricant/coolant circuits.
Theoilssuitableforeachofthesecircuitsarelistedbelow.
Oils for oleopneumatic circuit
The machine is equipped with a worm gear which is permanently lubricated and
therefore maintenance---free. The box has no filler cap, l evel checker and drain,
as it already contains the correct quantity of synthetic oil, guaranteeing perpetual
lubrication of the crown and worm gear. Below is a short list of synthetic oils for
permanent lubrication:
BP Energol SG XP220 --- KLUBER Syntheso D220EP --- ESSO Glycolube R ange
220 --- IP CT614 --- SHELL Tivela Oil SC 320 --- FINA Girans.
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General