SEW-Eurodrive D 16, Руководство по эксплуатации

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6
Inspection and Maintenance
Replacing the friction ring
Operating Instructions – Explosion-Proof VARIMOT
®
Variable Speed Gear Units and Accessories
35
1. Loosen all retaining screws [2]
2. Disconnect drive between housing cover [5] and housing [8]
3. Check friction ring
• If chamfers are visible: friction ring is OK
• If friction ring is damaged or chamfer is ground off: replace friction ring
(see "Replacing the friction ring")
6.5 Replacing the friction ring
1. Remove voltage encoder
2. Pull entire hollow shaft [9] from housing [8]
3. Remove friction ring [10] from hollow shaft using a hammer and drift or drift punch
4. Place new friction ring on a clean, level base
5. Place complete hollow shaft on friction ring
• Precenter via friction ring offset
6. Press hollow shaft and friction ring together using slight pressure (if possible, use
hand lever press) until stop is reached
7. Lubricate needle bearing [7] with anti-friction bearing grease
8. Clean bearing surface:
• Friction ring:
Use dry paper or cloth
• Drive disk [6]:
Use degreasing detergent
9. Push entire hollow shaft with friction ring into the housing:
• Turn the hollow shaft during insertion until cam lines are engaged (do not turn
hollow shaft any further)
• Carefully join housing and housing cover and tighten evenly
10.Check torsional play at output shaft
• Correct: minor torsional play is noticeable
11.Mount voltage encoder
12.Switch on variable speed gearmotor:
• Slowly pass through the speed range
• Correct: drive runs noise-free and vibration-free
51790AXX
Fig. 16: Checking the friction ring
[1] New friction ring [3] Wear height
[2] Worn friction ring
[1] [2]
[3]