4. S
ERvICE
4.1 P
reVentiVe mAintenAnce
Without a tool clamped in check no-load
speed periodically and after each mainte-
nance. Even if the machine still operates
perfectly, the motor 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 at the same
time (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 clip, and pull the supply hose off the
connection nipple.
/ m
aINTENaNCE
17