Econo-Wrap EW-1800T, Руководство оператора, Страница: 55 / 128

Self - loading Bale Wrapper EW - 1800T
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7.5.1 Changing the chain transmission ratio of the driving table roller
Figure 38 Dismantling the table roller ’ s sprocket
(1) guard, (2) chain, (3) lock screw, (4) circlip, (5) Z - 21 sprocket ( standard ), (6) Z - 35 sprocket (optional) , (7) hub, (8) driving
table roller
(Note: Item 6 is shown in Fig. 38 for reference only and not standard. It is included in Kit TW18264.)
Follow the procedure for changing the chain transmission ratio of the table roller:
1. Stop the tractor and engage the parking brake to prevent movement.
2. Remove the chain guard (1) – size 3 Allen wrench.
3. Find out which of the settings is currently on the bale wrapper.
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The bale wrapper is set up at the factory to accept 30” film as standard.
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A kit is available to convert the bale wrapper to accept 20” film and must be ordered separately. (See page
117.)
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Chose the correct sprocket according to the film width you are using. See Table 7 on page 56.
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If the sprocket needs to be changed, proceed with the following;
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If the sprocket does not need to be changed, check the chain tension and attach the guard.
4. Loosen the bearing fixing nuts (size 21 wrench) and the bearing adjustment screw (size 19 wrench) in the driving
table roller (8).
5. Remove the drive chain (2).
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Find the connecting link;
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Unfasten the lock of the connecting link;
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Pull out the pin connecting the link plates.
6. Remove the circlip (4).
7. Remove the retaining screw (3) using a size 13 wrench.
8. Remove the sprocket to be replaced.
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Use an appropriate size bearing puller to dismount the sprocket.
9. Fit the sprocket (5) or (6) depending on the width of the film, as required in Table 7
10. Screw in the lock screw (3) connecting the wheel to the hub (7) with a size 13 wrench.
11. Attach the circlip (4).
12. Mount the chain according to the number of links given in Table 7.
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The length of the chain is adjusted by adding or removing additional links.
13. Adjust the chain tension (Section 7.2) and remember to tighten the bearing and counter screw.
14. Fit the chain guard (size 3 Allen key).