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R690
1. Press in new bush
17
.
CAUTION
Damage to the bush 17 when
using unsuitable tools!
³
Damaged bush
17
can no longer
ful
fi
l its function.
O
Press bush
17
from above
into actuator base
16
with an
appropriate tool that will not
damage bush
17
.
2. Lubricate new lip ring
4
(GEMÜ recommends MOLYCOTE 111
COMPOUND).
3. Insert new lip ring
4
.
4. Insert new lock washer
5
.
5. Lubricate actuator spindle
15
(including
dowel pin
30
and adapter
31
)
(GEMÜ recommends MOLYCOTE 111
COMPOUND).
6. Insert the actuator membrane assembly
manually into actuator base
16
from
above through bush
17
and push it
down until actuator membrane
14
abuts actuator base
16
.The actuator
membrane assembly comprises
actuator spindle
15
including dowel
pin
30
and adapter
31
, hexagon nut
21
,
washer
9
, upper and lower membrane
plate
6
, actuator membrane
14
and
two sealing washers
22
(for diaphragm
sizes 40 and 50 distance piece
28
and
O-ring
27
).
7. Take care that the hole patterns of
actuator membrane
14
and actuator
base
16
.
8. Assemble the actuator as described in
chapter 5.3, points 1-10.
5.3 Assembling the actuator
1. Insert spring set
FP
into actuator base
16
.
2. Put on actuator top
10
, take care that
the hole patterns of actuator top
10
,
actuator membrane
14
and actuator
base
16
are aligned.
3. Clamp actuator in a press.
CAUTION
Applied pressure too high!
³
Risk of breakage of actuator
top
10
!
O
Only use minimum required
pressure.
4. Bolt together diagonally actuator top
10
and actuator base
16
with bolts
12
and
washers
13
.
Important:
The bolts
12
between actuator
top
10
and actuator base
16
are always inserted from
below.
Diaphragm size
Tightening torque
25
6 Nm
40
15 Nm
50
21 Nm
5. Slowly release the press.
6. Put protective caps
29
onto bolts
12
.
7. Screw optical position indicator
SA1
into actuator.
8. Screw in protective cap
SA2
.
9. Reinsert loose compressor
3
and
washer
47
.
10. Reconnect control medium.
Summary of Contents for R690
Page 11: ...11 12 R690...
