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Manntek DDC Service Instruction

6” hose unit
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DDC Service instruction
6" hose unit
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Summary of Contents for Manntek DDC

  • Page 1 DDC Service instruction 6” hose unit manntek.se...
  • Page 2 Quality, Health, Safety and Environment Policy Our objectives are simple – no accidents, no occupational illness or work related accidents, no negative environmental impact and optimizing and continuously improving customer satisfaction wherever we operate. Mariestad, February 28 2008 Tony Mann What does this mean? In our daily work to develop, sell, deliver and maintain our products this means to act as soon as we recognize a risk for:...
  • Page 3 6” , SS ATERIAL ARTS NEEDED FOR SERVICE Spare part kit and O-ring kit (see p. 4) ERFORM A SERVICE If leaking Every year Change of media LEASE NOTE Make sure that you are using the right type of O-rings and seals for the media you are using.

  • Page 4: Daily Inspection

    AINTENANCE AND SERVICE INSTRUCTION Always depressurise the system and rinse off the parts before beginning any maintenance work. Use protective goggles. Do not handle O-ring seals if the material appears charred, gummy or sticky. Use tweezers and wear neoprene or PVC gloves. Do not touch adjacent parts with unprotected hands.
  • Page 5 Begin with unscrewing and remove the lock screw from the swivel ring. Tool: Hexagon wrench No.3 If the swivel sleeve has an flat sealing (pos.29), change it to new one. (Not needed when NPT-thread). Dismount the handle. Tool: Allen key 10 mm Mark the position of swivel sleeve against swivel ring with an Ø8 mm pin.
  • Page 6 Remove the two shafts for piston guide, by applying pressure to the driving plate packet so that it moves down 2 mm. So that the driving plate packet is released from the rollers. Turn the driving plate to the position where the recess ends up under the rollers under pressure to the driving plate packet.
  • Page 7 Change the O-ring (pos.24) from the groove in the coupling body. Use grease on the new part. Apply grease on the balls for best possible swivel rotation. A mounting sleeve is recommended to mount the o-ring. If no sleeve is available a plastic strip can be taped around the body to cover the cam curves.
  • Page 8 Before the coupling body places on the driving plate packet, make sure that the part where the upper cam curve ends, shall be placed exactly over one roll, and the heel on the driving plate packet should be placed under the hole for the shaft. Place the coupling body over the driving plate packet.
  • Page 9 Mount back the handle. Use Loctite® 243 and screw the lock screw into the swivel ring without any force! Risk to deform the ball bearing! Apply sealing wax on the top of the lock screw after screwing it in, to prevent misuse.

  • Page 10: Test Procedure

    TEST PROCEDURE After each service a pressure and tightness test of each coupling is mandatory. If only the O-Ring kit is replaced a seat tightness test is enough. The following test parameters are in accordance with EN12266 and EN14432: Test procedure Test pressure Acceptance criteria Shell tightness test...