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Reparaturanleitung PS-4600 / PS-5000
24
Repair Manual PS-32
Vacuum testing ventilation valve 6
Attach the over/underpressure pump as
described.
When the pump is operated the underpressure
must quickly dissipate.
If underpressure builds, replace the ventilation
valve.
Pull out the ventilation valve
6
with a small
screwdriver or wire. Before inserting a new
valve, wet it with fuel.
Parts
To remove the suction head
7
pull it through the
tank opening with a hooked wire.
Note
: Do not use pliers,as this may damage the
line. Do not pull on the suction head or fuel line,
as this can pull off the fuel nipple inside the
tank.
Turn the fuel nipple
8
slightly counter-clockwise
out of the retainer and then carefully lift it out
with a sharp flat point screwdriver.
Note
: Do not lever against the line connections,
as this can break them off.
Use always a new fuel nipple.
5
8
6
7
10 TANK
Removal
Unscrew all middle screws of the damping
springs (Chapter 09). Also remove the damping
spring
2.
Remove front handle.
Using needle-nose pliers, carefully pull the fuel
lines from the fuel nipple
8
.
Note:
When assembling the fuel lines, follow the
schematic diagram in Chapter 08.
Pressure test
Attach the over/underpressure pump (chap. 00
pos. 10) to one of the two fuel connections
5
.
Seal off the second connection.
Set up a pressure of max. 0.3 bar.
If the pressure drops off, check the following:
•
Air valve
•
Both fuel lines
•
Fuel nipple
•
Tank cap O-ring
•
Check tank for holes
Note:
Detergent can be used to localise leaks.
