23
Incorrect assembly.
Pump valves blocked
or worn.
Defect pressure
gauge.
Filters clogging.
Nozzles worn.
Tank is airtight.
Sucking air towards
end of tank load.
Pressure filters
beginging to clog.
Agitation nozzles
clogged.
Air is being sucked
into system.
Excessive liquid
agitation.
Damaged diaphragm.
Fault
Probable cause
Control / remedy
Agitation nozzles not fitted.
Too little distance between yellow
suction pipe and tank bottom (only
800 l tank).
Check for obstructions and wear.
Check for dirt at inlet of gauge.
Clean all filters. Fill with cleaner
water.
If using powders, make sure
agitation is on.
Check flow rate and replace nozzles
if it exceeds 10%.
Check vent is clear.
Exessive agitation, turn off.
Returns inside tank need relocation.
Clean all filters.
Check by turning agitation off/on.
Check tightness / gaskets / O-rings
of all fittings on suction side.
Turn agitation off.
Reduce pump r/min.
Ensure returns inside tank are
present.
Use foam damping addative.
Replace. See Changing of valves
and diaghragms.
Lack of
pressure.
Pressure
dropping.
Pressure
increasing
Formation of
foam.
Liquid leaks
from bottom of
pump.
Summary of Contents for Boss Series
Page 1: ...BOSS HERON Instruction book 673791 GB 04 2002 www hardi international com...
Page 18: ...16 1 X 40 2 A X 8 A X 40 3 X 40 17 6 9 T200 0001...
Page 19: ...17 4 X 40 5 X 40 X 1000 or once a year 16 16 HR only...
Page 47: ...45 1202 foot A10...
Page 48: ...46 A12 1302 foot...
Page 49: ...47 Unit BK 180K 92 B9...
Page 50: ...48 B10 Distributor BK180K 92...
Page 51: ...49 Damper HJ73 B300...
Page 52: ...50 D2 SB 6 8 10 m...
Page 53: ...51 Boom tube TRIPLET SNAP FIT D904...
Page 54: ...52 H106 PS 300...
Page 55: ...53 TPS 800 H107...
Page 56: ...54 H108 PU TPS 800...
Page 58: ...56...
Page 60: ...HARDI INTERNATIONAL A S Helgesh j All 38 DK 2630 Taastrup DENMARK...