1 689 989 349 2017-07-01| Robert Bosch GmbH
8 | KMA 802/822 | Product Descriptionen
3.7 KMA 802 (measuring device)
Fig. 4: Electronics area of measuring device
The measuring device is situated in a partitioned sheet
steel housing (fig. 4, item 1) on the swivel arm.
The electronics for the two measuring cells (fig. 4,
item 2) are situated in the electronics compartment
(pointing towards the clamping bed). The data required
to determine the injected quantity is transmitted to the
PC via the printed circuit board (fig. 4, item 3).
Fig. 5: Hydraulic area for measuring device
To damp the spraying-off procedure, twelve damping
units (fig. 5, item 5) have been installed in the hydrau-
lics compartment (pointing away from the clamping
bed). These damping units are connected to the test
nozzle holder combinations by twelve external quick-
release couplings (fig. 5, item 4). The test oil which
is to be measured is supplied alternately (multiplex
technology) to two volumetric displacement measuring
cells (fig. 5, item 2) via two valve blocks (fig. 5, item 6).
When the measurement is complete, the test oil flows
back to the test-oil tank.
4. Initial Commissioning
4.1 KMA 800 (PC and operator display
unit mounted on the injection pump
test bench)
4.1.1 Fitting PC unit
Fig. 6: PC unit
1. Remove rear panel (fig. 6, item 1) from computer
housing (fig. 5, item 2).
2. Secure computer housing (fig. 6, item 2) to EPS
electrical cabinet (fig. 6, item 4). For this, fit four M6
screws (fig. 6, item 3) through the corner boreholes
in the base of the computer housing and screw them
into the threaded bushings in the cover of the EPS
control cabinet.
3. Install PC (fig.. 6, item 5) from the back.
i PC (fig. 6, item 5) must be situated on the left side
in the recess behind the control flap.
4. Secure mounting bracket (fig. 6, item 7) on back of
PC with two screws (fig. 6, item 6) to base of com-
puter housing.
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