92 SR 430, SR 450
: Remove the screws (1) from the 
underside of the machine. 
– Hold the protective screen 
steady. 
: Pull the blower housing (1) away 
from the backplate until the upper 
AV springs come out of their 
seats (arrow)  
– hold the blower housing (1).
Make sure the hoses are not kinked 
or overstretched.
0002RA374 TG
1 1
0002RA375 TG
1
Version without pressure pump
: Use a screwdriver to ease the 
hose clamp (arrow) open. 
: Pull off the hose (1) and molded 
hose (2).
Version with pressure pump
: Loosen the hose clamps (3).
: Pull off the hoses (1) and molded 
hose (2).
0002RA376 TG
2
1
0002RA377 TG
2
1
1
3 3
SR 430 versions with and without 
pressure pump
: Pull off the blower housing (1). 
– The lower AV springs are pulled 
out of their seats at the same 
time.
– Pull the hose (1) off the pressure 
pump (if fitted).
: Pull the hose (1) out of the 
guide (arrow).
: Take out the screws (arrows). 
– Lift away the blower housing (1).
0002RA378 TG
1
0002RA379 TG
1
0002RA380 TG
1