Disassembly / assembly
52
1.
Important!
For easy installation, lubricate O-rings with provided grease.
Press the counter ring with
the O-ring of the mechani-
cal seal (433.2) into the seal
cover (471) by hand.
2.
Important!
Do not damage the counter ring of the mechanical seal on
the thread and change-over of the motor shaft or press at
an angle!
Carefully slide the seal cover
(471) over the motor shaft
(819) and onto the centering
of the block motor (802).
3.
Important!
- Make sure you degrease the shaft surface!
- Comply with squareness tolerance of 0.1 mm!
Carefully slide the sliding
ring unit over the motor shaft
shoulder using an assembly
aid (accessories) and up to
the integrated counter ring.
Slide the sliding ring against
the counter ring until the pin
is centred.
Measure and adjust the
mounting dimension x (length
of sliding ring) at at least 3
different points.
Shaft Ø 20/24/28/30:
x = 19.1 mm
Shaft Ø 38/50:
x = 21.1 mm
Shaft Ø 55:
x = 22.1 mm
before
after
4.
Tighten the locking screw/s
on the mechanical seal
(433.2) using a hexagon
wrench.
5.
Press the counter ring with
the O-ring of the mechanical
seal (433.1) into the interme-
diate casing (113) by hand.
6.
Insert the O-ring (412) into
the groove on the intermedi-
ate casing (113).
7.
Important!
Do not damage the counter ring of the mechanical seal on
the thread and change-over of the motor shaft or press at
an angle!
Carefully slide the interme-
diate casing (113) over the
motor shaft (819).
8.
Screw the intermediate cas-
ing (113) to the block motor
(802).
Summary of Contents for herborner.X
Page 4: ......
