Hansen P4 Manuel D'entretien page 7

ansen
T R A N S M I S S I O N S
5.5 SECURING OF HOLLOW SHAFT GEAR UNITS
5.5.1. Hollow shaft gear unit with shrink disc
connection
The HANSEN supplied shrink disc is ready to be
installed.
Therefore do not dismantle shrink disc prior to first mounting.
The HSD-type is used as standard (fig. 1c).
Upon request the SD-type is possible (fig. 1d).
Mounting
(fig. 1a)
- Clean and degrease contact surfaces (a) and (b)
- Smear surface (b) - and not surface (a) - with "Molykote D321R" or
similar.
- After the applied coating has hardened, slide the O-ring (c) onto the
shaft.
- Draw the gear unit onto the shaft of the machine using threaded rod (e),
nut (f) and distance ring (g) until faces (h) and (i) make contact.
- Fit shrink disc (s). A locating groove on the shaft indicates the position of
the shrink disc. Tighten bolts (ZS) with a torque wrench. The required
tightening torque for the HSD-type is shown in table 1.
For the SD-type it can be found on the dimensional drawing.
NOTE : Never tighten bolts when shrink disc is
unmounted.
b
c
•
•
1 a
h
MOUNTING
i
FIG. 1
•
•
1 b
DISMOUNTING
HSD type
(fig. 1c)
The tightening torques (TA) are indicated in table 1 and on the name plate.
Tightening bolts are prestressed to the right level when outer ring (o) and
nner ring (n) are flush (optical check).
SD type
(fig. 1d)
The tightening torques are indicated on the name plate (p) and on the dimen-
sional drawing.
Remove spacers, attached for shipping, from between outer rings (o). When
mounting and during tightening make sure that outer faces remain parallel.
HSD + SD type
Tighten bolts (ZS) in indicated sequence (q) one by one, progressively over
several rounds, until required tightening torque (TA) is reached.
Do not tighten bolts crosswise.
Mount protection hood.
Securing in case of axial load
If the axial load is not absorbed by the shoulder of the machine shaft,
a distance ring (g) must be included (see fig. 2b, page 8).
Dismounting
(fig. 1b)
- Loosen all tightening bolts (ZS) (fig.1c/1d) uniformly, one by one in a
continuous sequence, about a quarter of a turn per round.
- Should outer and inner ring of the HSD-type not release themselves,
one can remove some tightening bolts and install them in tapped
holes (r) (fig. 1c), in the inner ring, to trigger separation of both rings.
- Remove shrink disc from hollow shaft.
®
ENGLISH
a
e
f
g
s
ZS
ZY
l
g
- Mount the distance ring (g) on the hollow shaft by means of bolts (ZY)
(dimensions of ZY: see dimension drawing).
- Place the disassembly bolt (l) into the central hole in the distance ring (g).
- Remove the gear unit from the shaft by tightening the disassembly bolt (l).
Note
The parts e,f,g,l and ZY are not included as standard. They can be supplied
upon special request.
For technical data, refer to catalogue or certified drawing.
Cleaning and greasing
Dismounted shrink discs do not have to be taken apart for cleaning and
regreasing prior to reinstallation, unless they have been used in a very dirty
environment.
After cleaning, recoat the tapered surfaces using a solid lubricant with a
friction coefficient of 0,04 , e.g. Molykote D321R or similar.
for HSD type only
Table 1:
Shrink discs
HSD 110-81x110
HSD 125-81x125
HSD 140-81x140
HSD 165-81x165
HSD 185-81x185
HSD 220-81x220
HSD 240-81x240
HSD 260-81x260
HSD 280-81x280
HSD 320-81x320
HSD 340-81x340
HSD 360-81x360
HSD 390-81x390
HSD 420-81x420
HSD 440-81x440
HSD 480-81x480
HSD 500-81x500
HSD 530-81x530
o
p
n
q
1
2
3
4
9
5
8
6
7
n
ZS
o
p
n
1
2
3
4
5
9
6
8
7
q
ZS
ansen
TA TA
Nm lbf.in
121 1070
121 1070
193 1700
295 2600
295 2600
570 5000
570 5000
570 5000
570 5000
980 8600
980 8600
980 8600
1450 12800
1450 12800
1450 12800
1450 12800
1970 17400
1970 17400
a
HSD TYPE
r
a
SD TYPE
1 c
1 d
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