Makita BVF154 Instruction Manual page 11

Malfunction status
Sprayer sprays but is abnormal or
spray pressure is weak
A strange sound is emitted when
switch is turned ON
When sprayer is left after being switched OFF,
a large amount of liquid flows out of the nozzle

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Cause
Chemical tank lid's
blowhole is blocked
Blocked piping
Broken or cracked
piping
Disconnected or
broken piping
Blocked water
absorption strainer
Blocked lever cock
strainer
Abnormal pressure
regulator
Worn gear case
Coupling that drives
pump is broken
Blocked nozzle
Lever cock is set to
continuous spray
DUH

Action
Clean
Request an overhaul
Request an overhaul
Request an overhaul
Remove and clean
Remove and clean
Request an overhaul
Request an overhaul
Request an overhaul
Clean or replace
Set lever cock to STOP