Bomag BW 100 AD-5, Operating & Maintenance Instructions

Page: 162 / 212

8.9.4 Checking the hydraulic lines
This work must only be performed by an
expert / qualified person!
1.
Park the machine in secured condition
Ä
Chapter 6.7 „Parking the machine in
secured condition“ on page 113 .
2. Check all hydraulic lines.
Hydraulic hoses must be immediately
replaced if:
n the outer layer is damaged down to the
inlay (e.g. chafing, cuts, cracks),
n embrittlement of the outer layer or for-
mation of cracks in the hose material,
n the hose shows deformation in pressur-
ized and depressurized condition, which
do not comply with the genuine shape of
the hydraulic hose (e.g. layer separa-
tion, formation of blisters, crushed spots,
buckling),
n leaks on hose, socket or fitting,
n the hydraulic hose has separated from
the fitting,
n fittings are damaged or deformed,
whereby the function and strength of the
hose - fitting connection is impaired,
n the fitting shows corrosion that impairs
both function and strength,
n
incorrect installation (squeezing,
shearing or chafing points),
n paint covered hydraulic hoses (no detec-
tion of identifications or cracks),
n shelf life and service life exceeded.
3. Replace damaged hydraulic hoses immedi-
ately, fasten these properly and avoid
chafing.
4. Only operate the machine after it has been
repaired.
Maintenance – Every 500 operating hours
BW 100 AD-5 162