Hatz 2-4L31 - Speed Control Engines with PFR 1 K 80 Injection Pump

–
Preparations:
– Detach the enclosure hood.
– Take off the speed control lever and the
side panel; see M 35.00.
– Renew the oil cleaner.
– On two-cylinder engines, unscrew and
remove the oil filler pipe; see M 12.00.
Dismantling:
– Remove machine screws (154/1).
– Turn the speed control shaft counter-
clockwise to the „Stop“ position and pull
the governor rod towards the flywheel
end; see Fig. 155.
– As shown in Fig. (155/1), move the
governor lever over to the timing side
and pull it out downwards.
Dismantling the speed control:
– Pull out the cotter pin or locking collet
(156/1) and push out the bolt (156/2).
– Drive out the locking collet (156/3), pull
off the torsion spring (156/4) and sleeve
(156/5), drive out locking collet (156/6)
and pull off the speed control fork
(156/7).
– Unscrew the tensioning plate (156/8)
and remove circlip (156/10), support
washer (156/11) and shim(s) (156/12).
– Pull off governor shaft stop (156/13),
remove circlip (156/14) with spacing
washer (156/15) and pull out shaft
(156/9).
3
L / M . . 09.96
154
155
156
M 32.00 Speed control
M 32.10 Engines with PFR 1K 80 injection pump