5
4.0 TROUBLE SHOOTING
PROBLEM
CAUSE
ACTION
POOR
VACUUM
4.1 Oil insufficient
4.2 Pump oil emulsified, not clean
4.3 Oil inlet blocked or oil feeding
inadequate
4.4 Pump hose or vessel leak
4.5 Improper pump chosen
4.6 Worn oomponents
Add oil to centre line of oil scale
Replace with new oil
Clean oil inlet and filtering
screen
Check hose and vessel for leakage and
repair
Pump too small - use larger pump
Repair or replace with a new pump
OIL
LEAKAGE
4.7 Oil seal damaged
4.8 Oil casing gasket loose or
damaged
Replace with a new oil seal
Tighten screws or replace O-type ring
OIL
DISCHARGE
4.9 Too much oil
4.10 Inlet pressure too high
Drain oil to oil base line on sight glass
Use recovery pump to remove pressure
OVER-
HEATING
4.11 Temperature below +5C
4.12 Motor overloaded
4.13 Foreign matter falling in the pump
Allow temperature to rise
Wait 5 minutes, re start, or press motor
reset if installed
Check and eliminate the foreign matter
DIFFICULT
STARTING
4.14 Low voltage
4.15 Overheated
4.16 Safety if in any doubt
Avoid long extension leads
Check fan, ventilation and repair
Consult JAVAC
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