Shark CB-301007D, Operator'S Manual

Page: 11 / 30

9.801-262.0 • Shark CB • Rev. 5/13
11
PRESSURE
W
ASHER
T
roub
leshooting Guide
TROUbleShOOTINg
pROblem pOSSIble CaUSe SOlUTION
pUmp RUNNINg
NORmally bUT
pReSSURe lOW
ON INSTallaTION Pump sucking air Check water supply and possibility of air.
Check valves sticking Check and clean or replace if necessary.
Unloader valve seat faulty Check and replace if necessary.
Nozzle incorrectly sized Check and replace if necessary.
Worn piston packing Check and replace if necessary.
flUCTUaTINg
pReSSURe Valves worn Check and replace if necessary.
Blockage in valve Check and clean if necessary.
Pump sucking air Check water supply connections.
Worn piston packing Check and replace if necessary.
Insufficient water Check filter and hose for breakage.
pReSSURe lOW
afTeR peRIOD
Of NORmal USe Nozzle worn Check and replace if necessary.
Suction or delivery valves worn Check and replace if necessary.
Suction or delivery valves blocked Check and clean if necessary.
Unloader valve seat worn Check and replace if necessary.
Unloader adjusted improperly Call local Landa dealer. Tampering with the factory
setting may cause personal injury and/or property
damage and will void the manufacturer's warranty.
Worn piston packing Check and replace if necessary.
Bypass valve within unloader
is obstructed or leaking Remove and clean
bypass cartridge.
pUmp
NOISy Air in suction line Check water supply and
connections on suction line.
Broken or weak suction or delivery
valve spring Check and replace if necessary.
Foreign matter in valves Check and clean if necessary.
Worn bearings Check and clean if necessary.
Excessive temperature of water Reduce to below 140°F.
pReSeNCe
Of WaTeR
IN pUmp OIl Oil seal worn Check and replace if necessary.
High humidity in air Check and change oil twice as often.
Piston packing worn Check and replace if necessary.
WaTeR DRIppINg
fROm UNDeR pUmp Piston packing worn Check and replace if necessary.
O-Ring plunger retainer worn Check and replace if necessary.
OIl DRIppINg
fROm pUmp Oil seal worn Check and replace if necessary.
exCeSSIve
vIbRaTION IN hIgh
pReSSURe hOSe Irregular functioning of the pump
valves Check and replace if necessary.
Obstruction in filter Clean inlet filter.
mOTOR WIll
NOT RUN Motor overload Push in the overload button located
on the motor (single phase) or the overload button
on the magnetic start switch (three phase).
Step down transformer fuses Check fuses and voltage. Replace if necessary.
Coil of magnetic starter defective Replace coil after the timer
and unloader switch have been tested.
maChINe WIll
NOT TURN ON WheN
SWITCh IS pUSheD Timer is defective Join wires 15 and 16 together
on timer. If machine works,
replace timer.