should be removed, cleaned and the four slides checked
for wear by a specialist after approx. 300 to 400 operating
hours. The lubricant in the gear head (Isoflex NBU 15)
should be replaced (do not wash out).
4.1.1 r
ePlAcement of the exhAust Air hose
Detach the exhaust air hose from the swivel ring, and re-
place it.
4.1.2 r
ePlAcement of the suPPly hose
Remove the exhaust air hose (see 4.1.1).
Detach the hose clamp, and pull the supply hose off the
connection nipple.
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