Simplicity AGCO Allis 500 Series, Service And Repair Manual

Page: 151 / 201

11 - 15
11 Transmission Teardown
Hydro-Gear 0500 / 0650
Figure 15. Remove Pump Block Assembly
27. Remove the pump block assembly, block thrust
washer and spring from the input shaft and inspect
for unusual wear or damage. The pistons should fit
with very little side clearance in the block bores, but
must slide freely.
Figure 16. Remove Jackshaft / Pinion Gear Assy.
Steps 28 Through 32 Apply to
0650 Models Only
28. Remove the two internal hex head capscrews retain-
ing the jackshaft to the housing with a 5 mm hex
wrench and remove the jack shaft/pinion gear assembly
from the housing.
Figure 17. Jack Shaft/Pinion Gear Components
29. Inspect the jackshaft running surface for excessive
wear or damage. The jackshaft should be 0.4986” to
0.4996”.
30. Inspect the pinion gear bore for excessive wear or
damage. The bore should be 0.5014” to 0.5024”.
31. Inspect the pinion gear teeth for excessive wear or
damage.
32. If excessive wear or damage was found, the com-
plete assembly should be replaced.