Danfoss PCV-VFQ 21, Инструкция по эксплуатации

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5
1
2
3
4
grease
Cone
5
14 VI.JA.G2.02
© Danfoss 11/2006 DH-SMT/SI
Instructions Pilot-controlled PCVQ DN 100 - DN 250 (PN 16, PN 25)
9 Replacement of Valve,
Actuator, Trims
9.1 Dismounting and Mounting Actuator and
Valve
Note:
The springs 1 in the actuator are pre-stressed.
Therefore, the actuator must be pushed upwards
to be dismounted. You need a second person to
do this.
Valve unit DN 100–125
Valve stem 3 and the stem of the actuator 4 are
not screwed to eachother.
Dismounting
1. Dismount impulse tubes.
2. Support actuator below or by a second
person as the springs 1 are pre-stressed.
3. Loosen union nut 2 .
4. Remove actuator.
Prior to assembly check cone 5 !
1. Clean cone prior to mounting.
2. Check O rings for damages, in case of
damages, replace cone (see Spare Parts).
3. Grease cone with high-performance fitting
component: BARRIERTA L55/3 HV
(see Spare Parts).
Mounting
1. Place actuator at the valve and push
upwards.
2. Screw on union nut 2 .
3. Align actuator, observe position of impulse
tube connections.
4. Tighten union nut 1 , max. torque 100 Nm.