Owner`s manual

8
Command Series
Oil Pump Gear Interference (24 393 51-S)
When the CH/CV750 and LH755/775 were developed in
2005, the stroke of the crankshaft was increased as well
as the size of the counter weight. The oil pump was also
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The old style pump is 3 mm taller than the new pump.
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run, causing the engine to fail. Stock of the old style pump
was depleted near the end of 2005 when all service pumps,
closure plates, and oil pans received the new shorter oil
pump.
Interference
No Interference
Head Gasket Failures on CH/CV730 (SB-289)
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reported due to excessive combustion pressure. To reduce
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repair, a more economical choice is to install the 24 340 02-S
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installation procedures see Service Bulletin 289.
Timing Change
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on 16 Flywheel