Preparing Push Nippples And Nipple Ports; Preparing The Intermediate Section - Bosch Uni 5000F US Installation And Service Instructions Manual

18 | Boiler block assembly
B Evenly coat the boiler hub sealing faces with red lead
putty.
B Coat the packing spring or packing groove with
adhesive (adhesive base).
1
Fig. 6 Coat boiler hubs with red lead putty
1 Sealing spring
2 Boiler hub sealing face
5.1.2

Preparing push nippples and nipple ports

B Clean the nipples with a cloth soaked in cleaning
agent.
B Evenly coat the nipples with red lead putty.
B Place nipple straight in the top and bottom boiler hub
of the back section and hammer in a crosswise
pattern.
After driving in the nipple leave it projecting
approx. 1 1/8" (30 mm) from the boiler hub.
6 720 648 162 (2011/08)
B Remove any burrs with a file.
2
1
Fig. 7
6 720 648 032-06.1T
1 Nipple in bottom boiler hub
2 Nipple in the upper boiler hub
5.1.3
B Prepare the central section in the same way as the
back section (
1
Fig. 8
1 Boiler hub sealing face
2 Packing grooves
Driving nipples home

Preparing the intermediate section

Chapter 5.1.1, page 17).
Preparing the central section
2
6 720 648 032-07.1T
1
2
6 720 648 032-08.1T