Governor: Service and Repair

Removal and Installation of Centrifugal Governor

NOTE: Tightening torque on Nut for centrifugal governor axial holder = 8 Nm

Removal





1 Remove rear engine mount
2 Unlock plug (8). while turning white plastic ring upwards in direction of arrow.
3 Pull off plug (8).
4 Push-in cover (46), remove circlip (47) together with cover.
5 Loosen nut (44) for axial holder.
6 Swivel axial holder (43) with screw driver at slot (arrow) counterclockwise (according to position "B" in sectional view).





7 Pull out centrifugal governor (50).





8 Remove lock (40) and pull off helical gear (41).





9 Move fly weights (f), while checking control valve in openings (arrows) for easy operation.

NOTE: Control valve should move easily, if required wash centrifugal governor and blow out. If control valve is still hard to move, exchange centrifugal governor. In such a case, take helical gear (41) from removed centrifugal governor for re-use.





10 Mount helical gear (41) in such a manner that the drive pin (arrow) enters bore in helical gear.





11 Insert lock (40).

Installation





12 Insert 0-ring (48).
13 Introduce centrifugal governor (50).





14 Move centrifugal governor axially slightly back and forth while turning axial holder (43) clockwise for correct engagement (position "A" in sectional view).
15 Tighten nut for axial holder (44) to 8 Nm.

NOTE: The axial holder is correctly mounted with slot (arrow) in horizontal position.





16 Push-in cover (46) and insert circlip (47).
17 Push cover (46) again in outward direction to rest against circlip (47).
18 Mount plug (8), turn white plastic ring in downward direction (opposite to direction of arrow).
19 Install rear engine mount.
20 Check oil level and correct.