7.1 Main tain ing the ma chine
7.1.1 Clean ing
•
Clean the ma chine daily.
•
Af ter clean ing, check the ca bles, hoses, wires and screw con -
nec tions for leaks, loose con nec tions, chaf ing and other dam -
age.
•
Re pair any de fects you see.
7.1.2 Tight en ing torque
Strength grades for screws with un treated, unlubricated sur -
faces.
The val ues show 90% use of the yield strength; at a fric tion co ef -
fi cient of µ
tot
= 0.14.
Tight en ing torque is con trolled with torque wrenches.
The val ues given do not ap ply when MoS2 lu bri ca tion is used.
02031000-2 HbmG gnu thci dreV nna mmA 7102/70
7. Main te nance Machine
61
Risk of fire and ex plo sion caused by in flam ma ble
sub stances.
• For clea ning, do not use any flam ma ble or ag -
gres si ve ma ter ials.
Re place all self-lock ing nuts af ter each dis as sem bly.
When clea ning the ma chi ne with a pres su re was her,
do not spray the elec tri cal com po nents di rect ly.
When clean ing the ma chine with a pres sure washer,
do not hold it di rectly over the air fil ter.
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