Welker INLOOP ACE - Page 25

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IOM-224 MODEL: INLOOP™ ACE REV: A 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com Service Department 281.491.2331
Motor Housing
Figure 18: Motor Housing Maintenance Diagram
46. Remove the bearing retaining ring from inside the motor housing
47. Replace the O-ring and bearing in the motor housing.
48. Inspect the bearing retaining ring for damage or wear. Replace as necessary.
49. Install the bearing retaining ring to the inside of the motor housing.
50. Remove the cartridge retaining ring from the bottom of the motor housing.
51. Remove the cartridge seal body from the motor housing and discard.
52. Install a replacement cartridge seal body to the motor housing.
53. Inspect the cartridge retaining ring for damage or wear. Replace as necessary.
54. Install the cartridge retaining ring to the motor housing below the cartridge seal body.
55. Replace the O-ring on the motor housing.
Shaft andActuation Piston
56. Inspect the shaft for damage or wear. Replace as necessary.
57.
Replace the crown seal on the actuation piston (Figure 17).
58.
Return the retaining plate to the shaft and align the holes in the plate with the holes in the actuation piston (Figure 17).
59. Apply medium strength thread-locking fluid to the lock screws, and then secure the retaining plate to the piston using
the lock screws.
60. Set the actuation piston subassembly aside.