•
Remove handle:
•
Undo fastening screws with
size 5 hexagon socket wrench.
- Remove handle and replace if
necessary.
Remove retainer and shaft:
•
Undo fastening screws with
size 5 hexagon socket wrench.
- Remove retainer and shaft.
Proceed as described for the
high-pressure cleaners of series
STIHL RE 310 K, 340 K and 440 K
for changing wheels.
Replace faulty parts.
Reassemble parts in reverse order.
Important: The O-rings must
always be replaced when carrying
out repair work.
Before assembling the parts, all
moving parts, sealing rings and
screw threads must be thinly
coated with special grease
for high-pressure cleaners
0781 145 3516. Exceptions to
this rule are mentioned where
appropriate.
Note: The permissible working
pressure of the machine has been
set on the safety control block by
the manufacturer and must not be
changed. A lead seal is fitted to
the safety control block for this
reason.
The permissible working pressure
must be reset after all repairs and
a new lead seal fitted to the safety
control block.
- Remove shroud
Note: The screw plug should only
be removed if leaking.
•
Undo fastening screws.
•
Carefully remove the safety
control block. Ensure that the
adjusting screw for the micro-
switch, O-rings and delivery
valves are not lost.
•
Replace O-rings.
621RA007 BL
621RA008 BL
5.3
Chassis
6.
SAFETY CONTROL
BLOCK
6.1
Removing / installing
the safety control block
621RA009 BL
621RA010 BL
RE 140 K, 160 K
9
