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...Continued
PROBLEM
POSSIBLE CAUSE
REMEDY
COMMENT
# OIL IN PUMP EMULSIFIED/
CONTAMINATED BY WATER
#Piston to Crankcase Oil Seals
Worn
Check and Replace
Look for Oil under Pump – Low
Pump Oil
#High Ambient Humidity
Check – Change Oil Twice as
Often
#Piston Seals Worn/Cracked
Piston
Check – Replace
Therefore Check for “Big End”
Wear
#Water Blasted into Pump via
Breather Cap during Cleaning
Exercise Care
PROBLEM
POSSIBLE CAUSE
REMEDY
COMMENT
# WATER DRIPPING FROM
UNDER PUMP
#H.P. Piston Seals Worn or
Check and Replace
#“O” Rings in Plunger Retaining
Bolt Worn
Check and Replace
# OIL DRIPPING FROM UNDER
PUMP
#Piston to Crankcase Oil Seals
Worn
Check and Replace
Check Pump for Low Oil therefore
“Big End” Damage
# EXCESSIVE VIBRATION/
PULSATIONS IN HP DELIVERY
LINE
#Accumulator Failed
Check – Replace
#In/Out Pump Valves Worn
Check – Replace
#Pistons Cracked
Check – Replace
#Low Water Supply
Increase supply
#Gudgeon Pin in Conrod
Stretched
Check – Replace
# WATER FILTER MESH IS
CRUSHED WHEN REPLACED
# Incorrect replac ement
procedure
First insert mesh tube tightly into
black head of filter assembly and
then screw on grey cover tightly.
