VALVE ADJUSTMENT MULTIBLOC MB-DLE.../B01
1 Opening speed adjustment
2 Delivery adjustment
3 Stabilizer adjustment
4 Locking screw
After loosening screw 4, turn the locknut 2 clockwise to obtain minimum delivery, anticlockwise
for maximum delivery. Once adjustment is completed block screw 4 again.
VALVE ADJUSTMENT MULTIBLOC MB-ZRDLE.../B01
1 1st/2nd stage delivery adjustment lock screw
2 Stabilizer adjustment
3 Protective cover for initial fast-start adjustment device
4 2nd stage delivery adjustment
5 1st stage delivery adjustment
To adjust the 1st/2nd stage delivery loosen screw 1. Turning 4 and 5 anticlockwise
increases the delivery. Turning clockwise reduces the delivery. Once you have carried
out the necessary adjustment re-tighten screw 1. To adjust the initial fast-start mecha-
nism remove the cover 3 and, using the rear of the cover as a tool, rotate the pin.
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