Druck ADTS 405 Service Manual
K0171 Issue No. 1 Page 2-8
Pump Rack (ADTS 405F)
41. Unscrew and remove the four screws and cup washers securing the electronics rack in the case.
42. Carefully position the electronics rack on the side of the case.
43. Disconnect all pneumatic and electrical connections from electronics rear of the rack.
Temporarily place the rack in the case.
44. Unscrew and remove the four screws and cup washers securing pump unit in the case.
45. Carefully lift out the pump unit and carefully position the pump unit on the case.
46. Unscrew the drain pipe from the bowl filter.
Pump Front Panel (Figure 2-5)
47. Unscrew and remove the four countersunk screws securing pump front panel to pump chassis.
48. While retaining the front panel and pump chassis together, carefully lay pump unit on its side.
49. The front panel can now be carefully pulled slightly away from the chassis to give better access
to other components.
Pump and Motor Assembly (Figure 2-5)
50. Disconnect the pressure pipe between the bowl filter on the pump assembly and the rear of the
rack.
51. Disconnect the vacuum line between the pump assembly and the unit rack by removing the
swivel, right-angle fitting from the pump assembly, collect the bonded seal.
52. Make note of the orientation of the three pipes from pump assembly to pump front panel.
Remove the three pipes by sliding the red locking rings on the pressure connectors towards the front
panel and then pulling the pipes out.
53. Disconnect the two electrical connectors from the motor.
54. Remove sealant from the four nuts securing pump and motor assembly to the mounting pillars,
then remove the nuts and washers.
55. Carefully remove the pump and motor assembly from front panel.
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