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This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The
operator or maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified FNA techni-
cian or your dealer.
Problem
Engine will not start ......................................................................................................1, 2, 3, 4, 5, 6, 7, 8, 36
(refer to the engine's instruction manual for further engine troubleshooting)
No or low pressure (initial use) ......................................................................................9, 10, 11, 12, 13, 14, 15, 16
Will not draw chemicals .................................................................................................16, 17, 18, 19, 20, 21
No or low pressure (after period of normal use) ...........................................................22, 23, 24
Water leaking at gun/spray wand connection ................................................................25, 26
Water leaking at pump ...................................................................................................25, 26, 27, 28
Oil leaking at pump ........................................................................................................29, 30, 31, 32, 33, 34, 35
Pump pulsates ...............................................................................................................12
coDe
PossIBLe cause
1
No fuel.
2
Low oil.
3
Pressure builds up after two pulls on the recoil starter or after initial
use.
4
Choke lever in the NO CHOKE position.
5
Spark plug wire not attached.
6
Engine ON/OFF switch in OFF po si tion.
7
Choke lever in the CHOKE position on a hot engine or an engine
that has been exposed to thermal heat for a long period of time.
8
Fuel valve closed.
Troubleshooting Guide
Troubleshooting Codes
PossIBLe soLutIon
Add fuel.
Add required amount of oil.
Squeeze gun trigger to relieve pressure.
Move choke to the CHOKE po si tion.
Attach spark plug wire.
Place engine ON/OFF switch in ON position.
Move choke to the NO CHOKE po si tion.
Move the fuel valve lever to the OPEN position.
19
code
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