Assembly/disassembly instructions 4186-3
1 and
2
E
A
10
D
E
120
Nm
12
herose.com
Step 4:
Apply high-pressure lubricant thinly and
uniformly to the internal thread of the
hex nut on the first 5 thread pitches
Recommendation: Klüberalfa YV 93-
302
Step 5:
Place connecting nipple (1) with hex
nut (2) centrally over the centring aid
(E) onto the spring and press down
using the assembly stud (D) against
spring force
Screw hex stud (2) hand-tight with the
casing
Step 6:
Tighten hex nut (2) to torque 120 Nm
Remove centring aid E
Step 7:
Turn casing (11) in the cut-out (A)
Remove tubular overflow (6) and
compression spring (3) from assembly
aid (F)
Place PTFE seal (12) into the casing