Fayat Group Bomag MPH 122-2, Operating & Maintenance Instructions, Page: 166 / 198

Every 2000 operating hours
BOMAG 166 MPH 122-2
If the hydraulic oil tank needs to be cleaned
from inside the following work must be per-
formed:
Fig. 338
l
Pull the plug off the temperature sensor (1)
(Fig. 338).
l
Unscrew and remove the fastening screws (2)
for the cover .
l
Wipe the inside of the hydraulic tank clean with
the lint-free cloth.
l
Insert a new seal and reinstall the cover.
l
Push the plug back on the temperature sen-
sor.
Fill in hydraulic oil.
Fig. 339
l
Unscrew the plug (2) (Fig. 339) from the filler
opening and fill in new hydraulic oil through the
screen filter.
l
Screw the plug back in with a new seal and
tighten it.
l
Replace the breather filter (1).
i
Note
We recommend to use the BOMAG filling and fil-
tering unit with fine filter to fill the system. This en-
sures finest filtration of the hydraulic oil, prolongs
the lifetime of the hydraulic oil filter and protects
the hydraulic system.
Fig. 340
l
Check the oil level in the inspection glass (Fig.
340).
i
Note
At a temperature of approx. 20 °C the oil level
should be at 2/3 of the inspection glass.
l
Perform a test run and check the system for
leaks.
Bleeding the hydraulic system
l
Run the engine for about 3 minutes with low
speed, this will bleed the hydraulic system.