Oleo-Mac PW 175C, Instruction Book

Page: 16 / 92

16
MAINTENANCE INTERVAL OPERATION
Weekly • Cleaning of inlet water filter
Unscrew the hose connector (12)
(FIG. 7-a)
and remove the filter (20)
(FIG. 7-b)
.
Cleaning the filter under running water or compressed air is generally
sufficient. In more difficult cases, use a scale-removing product or
replace it by contacting an authorised assistance centre to purchase
it.
Refit the filter and tighten the hose connector.
Monthly • Cleaning the nozzle.
It is usually sufficient to clean the hole of the nozzle with the pin
supplied (17). If this operation fails to satisfactorily clean the nozzle,
replace the latter by ordering a spare part from an authorised service
centre.
The nozzle is replaced using the key (9) (supplied).
SUPPLEMENTARY MAINTENANCE
Supplementary maintenance must be carried out by a
QUALIFIED TECHNICIAN
, following the table below
(guideline data).
MAINTENANCE INTERVAL OPERATION
Every 50 hours • Check the pump hydraulic circuit (water).
• Check pump fixing.
Every 100 hours • Pump oil replacement.
• Check pump delivery/intake valve.
• Check tightness of pump screws.
• Check pump control valve.
• Check the safety devices.
PROBLEMS, CAUSES AND REMEDIES
PROBLEMS CAUSES REMEDIES
The high-pressure water
cleaner does not start when the
master switch (2) is place into
position “1”.
Please refer also to the
NOTE
in the paragraph “
STANDARD
O P E R AT I O N ( AT H I G H -
PRESSURE)
The safety device of the system
to which the high-pressure water
cleaner is connected has cut-in
(fuse, differential switch, etc.).
Reset the safety device.
IF IT CUTS-IN AGAIN, DO NOT
USE THE HIGHPRESSURE WATER
CLEANER AND CONTACT A
QUALIFIED TECHNICIAN.
Plug not connected correctly. Disconnect the plug and
reconnect it correctly.
The high-pressure water cleaner
vibrates a lot and is noisy.
Dirty water inlet filter (20) sporco. Follow that indicated in paragraph
“ROUTINE MAINTENANCE” .
Insufficient water supply Make sure that the tap is
fully open and that the flow
rate of the mains water is in
accordance with that indicated
in paragraph
“TECHNICAL
C H A R A C T E R I S T I C S A N D
SPECIFICATIONS”
.
(continues on the next page)
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