HYDRAULIC PUMP REPAIR (Sheet 4 of 11)
Do step 15
closely over a surface covered by rags.
Knuckles (T), flex bearing (U), and spring (V) may fall out
Rags will prevent
when cylinder block (Q) is removed.
impact damage to falling parts.
Have second technician slowly slip cylinder
block (Q) off pistons (W) so pistons do
not strike each other and lay cylinder
block (Q) carefully on rag.
Have second technician cap nine pistons (W)
with protective caps.
Manually remove flex bearing (U) and
spring (V) from drive shaft (R).
Lay drive shaft (R) and attached parts carefull
Remove universal link and pin assembly (X)
f r o m cylinder block (Q). -
Remove four knuckles (T) from link and pin
Remove fixed bearing (Y) from fixed bearing
Using pliers, press ears of retaining ring
(M) together and remove retaining ring (Z)
and bearing retainer (Z) .
Using screwdriver, remove screw (AB).
Manually remove washer (AC).
on to Sheet 5