7.6.
ENGINE OIL
7.6.1.
Change the engine oil after the first 50 hours. Subsequent oil changes recommended at 500 hours.
7.6.2.
Recommended oil grade SAE 15W-40.
7.7.
DESCALING
7.7.1.
Descaling can only be carried by suitably experienced individuals.
7.7.2.
Descaling must be carried out periodically. The interval depends on the hardness of the water being used.
7.7.3.
The descaling product must be disposed of according to local regulations.
7.8.
BOILER CLEANING
7.8.1.
Boiler cleaning can only be carried by suitably experienced individuals.
7.8.2.
Boiler cleaning is to be carried out every 180 - 200 hours work.
8. STORAGE
8.1.
Move the machine by using the carrying handle.
8.2.
Store the machine and accessories in a frost free, child proof place.
8.3.
Drain fuel and fluids before long term storage.
9. TROUBLESHOOTING
© Jack Sealey Limited
P
W2500HW Issue:1 12/01/21
Original Language Version
Fault
Probable cause
Solution
The pump does not start when the switch is
pressed.
The plug is not properly connected to the
socket.
The electrical socket is not working.
T
he mains voltage is insufficient.
The gauge of the electrical power lead is too
small.
The pump has cut out.
Connect the plug to the power socket
correctly.
Have the electrical socket checked.
Check that the system is suitable.
Refer to the section detailing the electrical
connection.
T
urn the switch to ON while keeping the gun
lever pressed;
If the problem persists contact an authorised
service centre.
The machine starts but no water comes out.
P
ump, hoses or accessories frozen.
No water supply.
Water filter fouled.
N
ozzle fouled.
Allow the pump and hoses to thaw.
Connect the machine to the water supply
system and turn on the tap.
R
emove and clean the filter (see
“MAINTENANCE” section).
Remove the lance from the gun and clean the
nozzle with the pin provided.
The pump runs but pressurisation does not
take place.
I
nsufficient water.
S
uction filter fouled.
Lance nozzle worn.
Suction or delivery valves fouled or worn.
N
ozzle jet blocked, causing too high
pressure, pump cuts out.
Check that the delivery rate is at least
30 l/min.
R
emove and clean the filter (see
“MAINTENANCE” section).
Replace the lance.
Contact an authorised service centre.
C
lean jet in nozzle with nozzle cleaning pin
provided.
U
neven working pressure.
Lance nozzle fouled or dirty.
Air in intake water.
S
uction filter fouled.
Suction or delivery valves fouled or worn.
Gaskets worn.
Pressure regulator valve gaskets worn.
Remove the lance from the gun and clean the
nozzle.
Supply the machine with water correctly, refer
to section 6.
R
emove and clean the filter (see
“MAINTENANCE” section).
Contact an authorised service centre.
Contact an authorised service centre.
Contact an authorised service centre.
The motor stops suddenly.
M
achine’s safety overload cutout has been
tripped.
The gauge of the electrical power lead is too
small.
Allow the motor to cool for a few minutes. If
the problem persists contact an authorised
service centre.
Refer to the section detailing the electrical
connection.
W
ater leaks from the machine.
L
eaks from hose reel (if used).
L
eaks from intake coupling.
L
eaks from pump.
Tighten the couplings; if the problem persists
contact an authorised service centre.
M
ake sure that the coupling has been
fitted correctly (See illustrations in the
“INSTALLATION” section).
Contact an authorised service centre.
Abnormal noise.
S
uction filter fouled.
Intake water temperature too high.
Suction or delivery valves fouled or worn.
B
earings worn.
R
emove and clean the filter (see
“MAINTENANCE” section).
R
educe the temperature below 40°C.
Contact an authorised service centre.
Contact an authorised service centre.
W
ater in the oil.
O
-ring seals worn.
Contact an authorised service centre.
