Fit the gearbox to column -AR-2203A-. Use drills No. 4 and 5.
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Drain gearbox oil. Unscrew oil drain plug from gearbox.
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Remove clutch release bearing -B- and release fork -A-.
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Remove guide bush -C-.
Note!
Remove the guide bush securing bolts with the correct diameter of tool -U-40020-.
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Remove the right and left flanged shafts.
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Remove the flanged shafts with pressure springs, thrust washers and conical rings.
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Unscrew the gearbox casing cover and remove the gasket.
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Bolt the connection finger or tool -U-40203- to the connection shaft.
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Select 5th gear.
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Loosen the counter nut -arrow 1- located under the 5th gear connection fork.
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Remove the dome headed bolt -arrow 2- and remove the connection fork with the 5th gear sliding sleeve.
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Fit the sliding sleeve of the 5th gear on the syncromesh body.
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Remove bolt -A- for the 5th gear. To lock it, select 5th gear by hand by pushing the slider -arrow 1- and select 2nd gear with the selector -arrows 2- and -3-.
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After selecting the gears, the input and layshafts are locked, the body of the syncromesh and the gear cannot move and thus it is possible to loosen the bolt.
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Remove 5th gear sleeve and remove 2nd gear.
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Remove safety ring -arrow- from the syncromesh body of the 5th gear.
Note!
Use tool -A-81124- to remove the safety ring.
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Remove the syncromesh body and the sliding 5th gear with tool -U-40100/1-.
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Remove the needle bearing for sliding 5th gear.
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Remove 5th gear with tool -U-40100/1-.
The 5th gear bearing bush will only be removed if the needle roller bearing needs to be replaced, proceed as follows:
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Heat the bearing bush to about 100 °C with the electric blower -SAT 1416-.
Remove the thrust washer located under the needle bearing bush.
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Separate the clip -arrow- from the 5th gear control rod. Compress with pliers and pull in the direction of the layshaft.
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Separate the speedometer sender -arrow-.
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Remove the bolts securing the clutch housing from the gearbox casing.
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Separate both casings by tapping with a plastic hammer. No not damage the contact surfaces.
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Remove the differential from the gearbox casing.
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Remove the connection shaft cap -A- with tools -U-40200/25- and -U-40200/21-.
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Remove the connection shaft with a drift.
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Remove the spring -arrow- between the selector finger -A- and the gear console -B-.
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Remove the selector finger -A-.
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Remove the bolt -arrow- and remove the gear console and the bush.
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Remove the reversing light switch -1- and the bolts -2-, -3- and -4-.
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Remove the control rod for the 5th gear -1- and the reverse gear control rod -2- together with the coupling rod -3-.
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Remove the reverse gear shaft from the gearbox casing from the bottom; if necessary use tools -U-40200/3- and -U-40200/10-.
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Remove input shaft -5-, control rod and fork for 3rd and 4th gears -6-, the reverse gear shaft -1-, the reverse gear -2-, as well as the secondary shaft -4- and the control rod with fork for the 1st and 2nd gears -3-.