31
3500 / 4000 EXPLORER
Problem
Probable cause
Control / Solution
EC operating unit
Operating unit not
functioning
Blown fuse(s)
Check mechanical function of microswitches
Use cleaning/lubricating agent if switches do not
operate freely
Check motor (450 - 500 mA MAX)
Change motor if over
Wrong polarity
Brown = positive (+) Blue = Negative (-)
Valves not closing properly
Check valve seals for obstructions
Check microswitch plate position
Loosen screws holding plate a ½ turn
No power
Wrong polarity
Check that Brown is (+), Blue is (-)
Check printed circuit board for dry solder joints
or loose connections
Check fuse holder is tight around fuse
Foam marker
Compressor will not
start
Poor power supply
Check battery (must be 12 V) and wiring
Use the HARDI electric distribution box
Blown fuse
Change external fuse
Defective relay
Open compressor box and check relay for
corrosion
No liquid to foam gen-
erator
Blown fuse
Open compressor box and check fuse located
on printed circuit board
Solenoid valve not opening
Check wiring at printed circuit board for corro-
sion or loose connections
Filter blocked
Dismantle and clean
Foam quality inconsist-
ent
Recommendations not followed
See
Foam marker Operators Manual
Blob interval inconsist-
ent
Adjustment valve gummed up
Flush system
Foam liquid in air lines
Non-return valve in line gummed up
Dismantle and clean
Содержание 3500 EXPLORER
Страница 1: ...3500 4000 EXPLORER Operator s Manual 67023304 AU 04 04 Fig 1 ...
Страница 35: ...35 3500 4000 EXPLORER Drg 3 Banjo Pump Optional ...
Страница 38: ...38 3500 4000 EXPLORER Drg 6 Main Tank Fittings ...
Страница 39: ...39 3500 4000 EXPLORER Drg 7 In Line and Fill Filter ...
Страница 40: ...40 3500 4000 EXPLORER Drg 8 Filters SUCTION FILTER ...
Страница 41: ...41 3500 4000 EXPLORER Drg 9 Hand Wash Tank ...
Страница 48: ...48 3500 4000 EXPLORER Drg 16 Hubs and Suspension ...
Страница 49: ...49 3500 4000 EXPLORER Drg 17 Cyclone Foam Marker ...
Страница 50: ...50 3500 4000 EXPLORER Drg 17 Cyclone Compressor and Valve A ...
Страница 51: ...51 3500 4000 EXPLORER Notes ...
Страница 52: ...52 3500 4000 EXPLORER Notes ...