Measuring Glass Carrrier Assembly - Bosch EPS 625 Manual Original

3.5.5

Measuring glass carrrier assembly

The Measuring glass carrier assembly (Fig. 1, Pos. 1)
comprises of the measuring glasses installed in a steel
housing. The MGT assembly is mounted on a swivel arm
(Fig. 1, Pos. 18). The measuring glasses are reinforced
to the swivel frame by the
knob, (Fig. 4, Pos. 1), the swivel frame can be rotated
to empty the measuring glasses and also to change
over from 44 cc measuring glasses to 260 cc measuring
glasses. A cam plate (Fig. 4, Pos. 2) limits the move-
ment of the swivel frame.
2
1
3
Fig. 4: Movement of the swivel frame
1 Knob
2 Cam plate
3 Hose
Warning - Breakage of measuring glass
tubes
The measuring glass tubes will break if they
hit against hard objects (for eg., fixtures for
the fuel injection pump).
¶
Ensure that the measuring glass tubes
do not hit against any hard objects.
¶
Replace broken measuring glass imme-
diately.
¶
Wear protective gloves.
During calibration of the fuel injection pump, the test
oil can be collected by orienting the measuring glasses
in a tilted position. The delivery quantity can be mea-
sured by orienting the measuring glass tubes in a verti-
cal position.
Robert Bosch GmbH
holding clamps. Using the
Product description | EPS 625 | 49
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Ensure that the correct slot on the cam plate is
engaged to avoid free rotation of the swivel plate
(Fig. 1, Pos. 20).
The quantity of test oil fed into the measuring glasses is
controlled by the movement of a stroke valve. The di-
rection and movement of the stroke is governed by the
electronic control unit of the bench.
The test oil is routed back from the MGT to the tank via
the hose (Fig. 4, Pos. 3).
Horizontal MGT adjustment
3
Fig. 5: MGT height adjustment mechanism
1 Bush
2 Screws for fixing the slide bottom
3 Screws for fixing the vertical guide
4 Locking screw for MGT vertical movement
The MGT is pivoted on a swing arm and can be swiv-
elled 15 on either side by loosening the locking screw
o
(Fig. 5, Pos. 3).
To move the MGT horizontally, loosen the screws
(Fig. 5, Pos. 2) and the nuts and slide the MGT along
the swing arm. The maximum horizontal movement pos-
sible is 150 mm.
i
The swing arm is located under the pump mounting
bed. It can be rotated 180
be operated from either side (left hand side or right
hand side).
en
1
4
2
so that the EPS 625 can
o
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1 689 988 258 2017-05-30