22 MODEL M6
ROLLER REPLACEMENT
It will be necessary to have a lifting device or additional help while
removing and replacing the roller. The roller weighs approximately
150 lbs.
1. Remove upper and lower chain case covers.
2. Remove tension spring and drive chain.
3. Remove lower sprocket by removing cotter pin, slotted nut, and washers.
4. Remove spacers behind the sprocket that was just removed.
Have the roller blocked up or supported.
5. Remove two bolts holding chain case to frame and slide chain case, with hydraulic mo-
tor attached, off of the roller shaft. The roller bearing will stay in the chain case.
6. Loosen the bolt on the bearing tube of the non-drive end.
7. Slide roller and bearing out of frame.
8. Remove hex bolt, bearing cap, bearing, and protective collar from roller.
9. On roller to be installed, place machine bushing and protective collar against endplate
on roller.
10. Place bearing and bearing cap on roller.
Clamp in place with hex bolt and lock washer into end of roller shaft.
11. Slide roller and bearing into bearing tube on non-drive end of frame. Do not tighten
bearing tube at this time.
12. Place spacers, protective collar, and O-ring from splined end of removed roller onto
replacement roller. Check O-ring for cuts and nicks.
13. Apply sealant to bearing area on shaft.
14. Slide chain case back onto roller and bolt to frame.
15. Replace spacers, sprocket, and washers on drive shaft.
16. Clamp solid with 1” slotted jam nut.
17. Check that roller clears the frame on both ends (adjust, if required).
18. Tighten 3/8” bolt in bearing tube on non-drive end of frame.
19. Reinstall chain and tension spring.
20. Replace lower cover, being careful not to pinch the O-ring.
21. Fill the chain case with 1.5 pints of #00 uid gear grease
22. Replace upper cover.
23. Run power rake and watch for any interference between roller frame.
MAINTENANCE
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