BOOM GP 2417291 - Caterpillar

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Remove two bolts (40) and block (41) .
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Remove the bolt that holds collar (42) to bolt (44). Remove collar (42), spring (43) and bolt (44) .
Remove the stop screws from collar (42) if the collar needs to be replaced.
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Remove three bolts (46) and remove governor servo (45). The governor servo must be rotated in order to be released from the rack's regulator.
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Remove lockring (50), seat (53), link spring (52) and sleeve (51). Remove the other lockring (50) from the groove in the center of valve (47). Remove valve (47), sleeve (48) and piston (49). The piston must be pushed down in order to be removed. Remove the O-ring seal from sleeve (48). Remove pin (55) and lever (56) .
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Use Tool (A) in order to hold spring (58) compressed for the removal of ring (57). Spring (58) is used in order to put a preload on the thrust bearing for the camshaft in the fuel injection pump housing.
Remove ring (57) and slowly release Tool (A) .
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Remove bearing (60), sleeves (59) and spring (58) .
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Remove ring (61) and dashpot assembly (62) .
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Use Tool (C) in order to remove snap ring (68). Remove ring (67) and spool (66) .
Remove seat (65) from spring (64) and remove spring (64) from seat (63) .
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Remove riser (69) .
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Remove ring (70), races (71) and bearing (72) .
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Remove four bolts (73) and carrier (74) .
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Remove dowels (77) and flyweights (76). Remove governor shaft (75) and the dowel that is not shown from shaft (75) .
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Remove races (78) and bearing (79) .