Stihl RE 140 K User Manual

Problem Cause Remedy
Pump runs, but does not build Pressure control sleeve not Set required working pressure
up the specified pressure set correctly
Nozzle in spray head worn Replace nozzle
Air in system Vent system; briefly operate
machine without
high-pressure hose
Leak in high-pressure system Seal high-pressure system
Pressure fluctuates or drops Shortage of water Turn on water tap, keep within
maximum suction head
(max. 0.5 m)
Water feed hose too long or Use specified water
cross-section too small feed hose
Water filter clogged Clean water filter in pick-up
body and pump inlet
Pump draws air Check intake line for leaks and
replace if necessary
High-pressure cups worn Replace high-pressure cups
Pump does not run smoothly Water feed temperature is Reduce water feed temperature
too high (see technical specifications)
Intake line is damaged, Replace intake line
pump draws air
Intake / delivery valves of Clean or replace valves
high-pressure pump
soiled or worn
Safety control block cycles after Leak in high-pressure system so Seal, clean and grease the
switching off the spray gun that safety control block does not safety control block
(constant audible switching sound), switch over correctly and the
pump becomes hot bypass does not open completely
Oil contains water High-pressure cups worn Replace high-pressure cups
Oil leak Gaskets in high-pressure pump Replace gaskets
worn
4. SUMMARY OF POSSIBLE FAULTS
4.1 High-pressure pump
RE 140 K, 160 K 5

Stihl RE 140 K Specifications

General

Brand	Stihl
Model	RE 140 K
Category	Pressure Washer
Language	English