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Bosch EPS 118 Manual Original página 84

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84 | EPS 118 | Maintenance
8.2.7
Changing test oil
!
Before replacing the test oil, the EPS 118 must be
turned off and disconnected from the mains volta-
ge system.
!
During use, the test oil is subject to the effects of
evaporation, temperature, pressure, oxidation and
the impact of foreign matter. Regular checking is
therefore essential to ensure compliance with the
necessary test oil quality standard when checking
injectors. Change the test oil at regular intervals
(see maintenance intervals). Always immediately
replace cloudy test oil even if the change interval
has not been reached. Contaminated test oil can
result in biased measured values and damage both
the EPS 118 and injectors during testing.
Permitted test oil types:
Test oil types
DIVINOL Calibration Fluid 2928V3
Procedure:
1. Switch off the EPS 118.
2. EPS 118 to be disconnected from the mains.
3. Connect the hose assembly (Fig. 43, item 2, not
included in the scope of delivery) to the shut-off
valve (Fig. 43, item 1). The shutoff valve has a 1/8"
thread for connecting a hose fitting.
4. Place the other end of the hose assembly in an oil
collector (Fig. 43, item 3).
!
Test oil starts to run through the hose assembly
immediately after releasing the shut-off valve. Al-
ways place the end of the hose assembly in the oil
collector beforehand.
5. Open the shutoff valve (Fig. 43, item 1) and let the
test oil drain until the test oil tank is completely
empty.
|
1 689 989 300
2020-03-24
3
Manufacturer
Zeller+Gmelin GmbH &
Fig. 43:
Co. KG
1 Test oil drain shut-off valve
2 Hose assembly (not included in the scope of delivery)
3 Oil collector
6. Once the test oil has drained completely, turn off
7. Remove the hose assembly.
8. Turn the knurled nuts counterclockwise and remove
!
!
!
9. Pour test oil (ISO 4113) through the funnel very
10. Screw the knurled nut clockwise into the test oil
11. Bleed the system (see sec. 8.2.10).
1
2
Draining test oil
the shut-off valve (Fig. 43, item 1).
them from the test oil filler port (Fig. 3, item 9).
If the test oil is poured in too quickly, it may run
out at the filler port. Immediately clean up test oil
spills with a cloth.
Only fill the EPS 118 with test oil according to
ISO 4113. Never use diesel fuel.
The test oil level must be both above the mark of
the oil level indicator (Fig. 1, item. 4) and within
the sight glass. If the test oil level cannot be seen
in the within the sight glass, too much test oil has
been filled, which will distort the measured values.
slowly and carefully into the test oil filler port
(Fig. 3, item 9). Pour in test oil until it is above
the mark on the oil level indicator (Fig. 1, item 4)
(approximately 4,5 l test oil).
filler port (Fig. 3, item 9).
Robert Bosch GmbH

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