22
40 ccm - 300 ccm.
SERVICE MANUAL
EDITION 01/2012 PART NO. DOC367866
The function test should be carried out according to the pressure shown in column 3 of the
table of „test data“ chapter 6.7.
1. For fi nal pressure, see test data table column 4. Pressure difference between upward
stroke and downward stroke must not exceed that in the table column 5.
2. For start-up at mains pressure, see table column 8.
(The pressure before the pump pressure controller is relevant).
3. Suction head >= 8.2 m; 26.9 ft.
4. Pulsation: The pressure drop at the upper and lower switch-over point must not
exceed the value in column 7 for the dynamic spray pressure (column 6) of the test
data table in chapter 6.7.
Attention:
Depending on the nozzle size.
5. Check idler frequency without gun.
Aim: high frequency (>30 DH/Min), no erratic running.
6.6 FUNCTION TEST
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