Index revision : A
32
7118
10.6. Barrel
•
Step 1
: Unscrew the seat casing using a 13-
mm pipe wrench.
Then remove it.
Should the O-rings and anti-extrusion rings
located in front and back of the nozzle
require replacement, remove them using a
screwdriver, position the new rings and new
seals in place while double checking their
correct location and after coating them first
with Vaseline.
•
Step 2
:
Seal cartridge:
Unscrew the cartridge
using the tool (Ref.: 900010160).
Should the ring and external joint require
replacement, remove them using a screw-
driver, position the new ring and new seal in
place while double checking their correct
location and coating them with Vaseline in
advance.
Note:
The lip seals located inside the car-
tridge cannot be changed.
Step 1
Step 2
O-ring
Ring
Anti-extrusion
Rings
Anti-extrusion
O-ring
O-ring
