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MAINTENANCE
F
L
U
S
H
L
N I
E
S
C
L
E
A
N
V
A
C
U
C
L
E
A
N
S
O
L
U
C
H
E
C
K
N I
L
E
D
E
S
C
A
L
E
M
A
C
H
E
C
K
V
A
C
U
TROUBLESHOOTING
IF PROBLEM OCCURS
NO SPRAY
PUMP
DOESN'T
RUN
PUMP
PULSATES
SUCTION
NO SUCTION
If you are unable to diagnose the problem,
contact the company from which you purchased your Cobra-C2
&
P
U
M
P
U
M
F
L
O
A
T
F
L I
T
E
R
T
O I
N
F
L I
T
E
R
T
A
R I
W
A
Y
S
C
H
N I
E
U
M
M
O
T
O
R
B
R
U
S
H
E
S
CHECK THIS
Solution tank is empty
Clogged spray tip
Pump not running
Valve on tool not operating
Solution path is clogged. Pump only runs when spraying occurs
Solution tank may be empty, or nearly empty
No power to pump. Test the switch. Test the pump motor.
Partially clogged solution path (hose, heater, tool)
Worn pressure switch in pump. Adjust pressure sensor in pump head.
Debris plugging cleaning tool or vacuum hose
LOW
Drain gate is not completely closed, or seals are damaged
Internal vacuum hose is cracked
Recovery tank lid is not closed, is cracked or gasket is damaged
Recovery tank is warped or cracked
Debris impeding air movement on vac motor impellors
No power to motor. Test the switch. Test the vacuum motor.
Daily
Monthly
X
X
X
X
X
5
Yearly
X
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