117
Code F07012287
USE AND MAINTENANCE
ENGLISH
(*) Skilled technician only
PROBLEMS
CAUSES
SOLUTIONS
• Breakage of the PTO shaft,
the sliding profiles/the protec
-
tion pipes are damaged.
• PTO shaft is too short.
• Use a more appropriate PTO shaft.
• Warped, very dirty sliding
profiles.
• Incorrect coupling due to PTO shaft
dilation.
• Perform connection correctly.
• Bent PTO shaft or connec-
tions to PTO shaft, difficult
PTO shaft dilation offset.
• Reduced PTO shaft rotation angle.
Replace the PTO shaft.
• Broken chain or damaged
support.
• Chain fastened incorrectly or in such
a way as to be too short.
• Restore parts.
PROBLEMS
CAUSES
SOLUTIONS
• The pump does not
charge.
• Air suction.
• Closed adjustment valve (control
unit not at zero pressure).
• Worn or dirty valves and/or suction
and delivery valves seats
• Check suction system.
• Place lever correctly.
• Replace or clean
(*)
.
• The pump does not
reach rated pres-
sure
• Worn valve and/or adjustment
valve seat.
• Worn or dirty valves and/or suction
and delivery valves seats
•
Insufficient number of RPM.
•
Worn nozzles or with too large
holes.
• Choked suction.
• Replace
(*)
.
• Replace or clean
(*)
.
• Restore the correct number of rounds always
within the 350÷550 RPM range.
• Replace.
•
Clean the filter cartridge or remove the chok
-
ing.
• Irregular pressure
(in pulses)
• Worn or dirty valves and/or suction
and delivery valves seats
• Air suction.
• Replace or clean
(*)
.
• Check the suction system.
• Excessive vibration
on delivery
• Discharged pressure accumulator
or with incorrect air pressure.
• Take air back to the right pressure (See
pump booklet)
(*)
.
• Noise and lowered
oil level
• Choked suction.
• Check the suction system.
• Presence of water
in oil
• Rupture of one or more mem-
branes.
• Replace
(*)
. If replacement is not immedi-
ate empty the water pump and pour in pure
oil without water (even used) or naphtha to
prevent rust from affecting inner parts.
Table 23
Table 24
16.0 TABLES
16.1 TROUBLE - CAUSES - REMEDY TABLE