EN
10
8.0 TROUBLESHOOTING
PROBLEM
CAUSE
ACTION
FAILURE
TO START
• Power disconnected or switched off
• Circuit breaker tripped
• Line voltage
• Electrical failure
• Burnt capacitor/motor
• Motor internal thermal over load
activated or inoperative
• Pump seizure
• Connect to power source/switch on
• Reset breaker
• Check local voltage
• Check motor/switch
• Replace capacitor/motor
• Switch on after cooling if still
inoperative replace motor
• Repair pump or replace cartridge
POOR
OR NO
VACUUM
• Isolation valve closed/defective valve
• Poor hose connection/system
• Open isolation valve/replace valve
assy
• Check all vacuum connections
LEAKS
• Low oil level
• Oil contaminated
• Pump worn out/damaged
• Oil type used unknown
• Gas ballast valve open
• Pump overheated
• Add or change oil
• Change oil
• Replace cartridge
• Replace with JAVAC low viscosity oil
or equivalent grade oil
• Close gas ballast valve
• Allow to cool or reduce heat exposure
MILKY OIL
COLOUR
• Water vapor mixture in oil
• Oil contaminated
• Open gas ballast
• Change oil
DARK OIL
COLOUR
• Water vapor mixture in oil
• Oil contaminated
• Open gas ballast
• Change oil
LEAKING
OIL
• Seals hardened or worn
• Oil mist accumulated from exhaust
running within casing
• Careless oil filling
• Backflow from gas ballast
• Service pump/new seals
• Occurs in normal use, cleaning may
be needed, monitor sight glass or
open case to check
• Wipe housing & pump with a dry cloth
• Wipe housing & pump with a dry cloth
NOISY
PUMP
• Loosen pump housing screws
• Oil level too low
• Pump worn out
• Tighten with socket spanner
• Add/replace oil
• Replace cartridge/pump
Summary of Contents for BULLDOG A2L
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