TM10-3950-672-24-2
Note
The back plate on the pump seats against the
bottom of the bore in the cylinder block. When the
pump is correctly installed, the flange on the pump
will not touch the cylinder block.
Note
Be sure the gear backlash is correct if installing a
new pump.
Measure gear backlash.
Backlash Limits
A
B
.08 to .254mm
.08 to .254mm
[.003 to .010 inch]
[.003 to .010 inch]
Note
If the adjoining gear moves when you measure the
backlash, the reading will be incorrect.
Gear Cover Installation
Lubricate the front gear train with clean engine oil.
Caution
The seal lip and the sealing surface on the
crankshaft must be free from all oil residue to
prevent seal leaks.
Thoroughly clean the front seal area of the crankshaft.
5-138