Bomag BW 177 D-4 Operating Instructions Manual page 19

Do not change the setting of pressure relief valves.
Drain the hydraulic oil at operating temperature –
danger of scalding!
Any hydraulic oil must be caught and disposed of
in an environmentally friendly manner.
Always catch and dispose of hydraulic oils sepa-
rately.
Do not start the engine after draining the hydraulic
oil.
Once all work is completed (with the system still
depressurized!) check all connections and fittings
for leaks.
Changing hydraulic hoses
Hydraulic hoses must not be mixed up by mistake.
Hydraulic hoses must be visually inspected at reg-
ular intervals.
Hydraulic hoses must be immediately replaced if:
the outer layer is damaged down to the inlay
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(e.g. chafing, cuts, cracks),
embrittlement of the outer layer (formation of
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cracks in the hose material)
the hose shows deformations in pressurized
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and depressurized condition, which do not
comply with the genuine shape of the hydrau-
lic hose,
the hose shows deformations in bends, e.g.
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squeezing, buckling, layer separation, forma-
tion of blisters,
parts of the hose are leaking,
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hoses are not correctly installed,
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the hydraulic hose has separated from the fit-
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ting,
the fitting shows corrosion that impairs both
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function and strength,
fittings are damaged or deformed, whereby
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the function and strength of the hose - hose
connection is impaired.
the permissible storage and usage period is
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exceeded.
Only genuine BOMAG replacement hydraulic hos-
es ensure that the correct hose type (pressure
range) is used at the right location.
BW 177 D-4
Working on the engine
Do not work on the fuel system while the engine is
running - danger to life due to high pressures!
Wait another minute after the engine has
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stopped.
Keep out of the danger zone during the initial
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test rung.
In case of leaks return to the workshop imme-
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diately.
Make sure that the engine cannot be started
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unintentionally during service and repair work.
Drain the engine oil at operating temperature –
danger of scalding!
Wipe off spilled oil, catch running out oil and dis-
pose of environmentally.
Store used filters and other oil contaminated ma-
terials in a separate, specially marked container
and dispose of environmentally.
Do not leave any tools or other objects, that could
cause damage, in the engine compartment.
The settings for idle speed and highest speed
must not be changed, since this would affect the
exhaust gas values and cause damage to engine
and power train.
Turbo chargers work with high speeds and high
temperatures. Keep hands, tools and materials
away from the intake and outlet openings of the
turbo charger and do not touch any hot surfaces.
Check and change coolant only when the engine
is cold.
Catch coolant and dispose of environmentally.
Working on electric parts of the machine
Before starting to work on electric parts of the ma-
chine disconnect the battery and cover it with insu-
lating material.
Do not use fuses with higher ampere ratings and
do not bridge fuses - fire hazard!
Disconnect battery and plugs from the control
units before starting welding work on the machine.
Working on the battery
When working on the battery do not smoke, do not
use open fire!
Do not let acid come in contact with hands or
clothes! When injured by acid flush off with clear
water and seek medical advice.
BOMAG
Safety regulations
19