Nortrac NorTrac 40XT, Руководство пользователя

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Maintenance Instruction
61
4.2.1 Dual-Action Clutch
The structure of 40XT and 50XT series dual-action clutch
is as shown in Figure 4-3.

Clutch adjustment:
With the dual-action clutch, both the main clutch and
the assistant clutch can be adjusted.

Main Clutch Adjustment:
The distance between the main clutch release lever
end face and the release bearing should be 2–2.5 mm.
and the height difference between the 3 release lever
ends should be less than 0.2 mm.

Adjustment method:
Unscrew the locknut and turn the main clutch
adjustment screw to make the distance between the
main clutch release lever end face and the release
bearing 2–2.5 mm.
，
and the height difference
between the 3 release lever ends to be less than
0.2 mm. The clutch pedal free stroke should be 15–20 mm.

Adjustment method:
Unscrew the locknut on the steering tie rod and rotate the rod to change its length. Make the pedal free stroke
15
–
20 mm. and then lock the nut on the rod. Limit distance H = 9.5–11 mm.

Adjustment method:
Unscrew the lock nut and adjust the bolt so that the distance between its hex head and clutch release fork rocker is
H = 9.5 – 11mm. and then lock the nut.

Assistant Clutch Adjustment:
The distance between the XT40/XT50 main and assistant clutch release lever end faces should be 8.5 mm.
and the height difference between the assistant clutch release lever ends should be less than 0.2 mm.
Adjustment method: Unscrew the lock nut and adjust the ball nut to make the distance between the main and
assistant clutch release lever ends to be 8.5 mm. Then lock the nut. Lubrication and operation instructions for
40XT and 50XT series tractor dual-action clutches are the same.
Figure 4-3 TB Series Dual-Action Clutch
Structure
1. Bearing 2. Main Clutch Adjusment Screw 3. Locknut
4. Main Clutch Release Lever 5. Release Bearing
6. Locknut 7. Adjusment Screw 8. Release Fork Rocker
9. Clutch Pedal Assembly 10. Steering Tie Rod
11. Locknut 12. Locknut 13. Ball Nut
14. Assistant Clutch Release Lever