Weidner HWY118 EXT, Operating Manual / Spare Parts List

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Fault and remedies
Fault Possible cause Remedy
device does not start no electricity check cables, plugs
socket and fuse
thermoprobe motor deterrnine and remedy
triggered cause of overload
pilot fuse defect replace pilot fuse
find out cause if there
is a burn throuh again
pump under pressure trigger spray gun
water leak packing worn or plunger pipe defect replace
pump does not reach pressure or water supply inadequate open water tap
is loud, pressure fluctations check float valve
clean water inlet sieve
reduce height of suction
suction valve clogged rins pump with clear water
soiled or wom valves, packing worn clean or replace
unloader valve leaky or soiled
nozzle washed out or replace
wrong nozzle size
oil leak on crankshaft shaft seal faulty replace seal, scheck shaft
incrased noise with no loss baring worn out replace bearing,
of pressure change
interval to long
pump oil milky white condensation water forrnation reduce oil change
interval
unloader valve tops at short gun or hp-hose leaky seal, replace
intervals with gun closed jack valve or unloader valve worn out replace jach valve
hight pressure gauge defection when unloader valve incorrectly set or foul adjust unloader valve,
gun closed replace
Water volume to small wrong nozzle size
use nozzle acc. to rating, plates
nozzle dirty clean or replace
unloader valve too low set sorrectly
unloader valve faulty replace
Chemicals are not sucked in chemical tank emty fill