TM 5-5420-228-24
HYDRAULIC PUMP REPAIR (Sheet 2 of 11)
DISASSEMBLY:
The hydraulic pump is a finely ma-
chined device. "Do not damage parts
during disassembly. Set removed
parts carefully aside on rags.
1.
Using 5/16 inch screw key, remove
screws (A).
2.
Using pliers, remove cotter pin (B).
cotter pin (B) away.
Using wrench, remove nut (C).
3.
4.
Manually remove two washers
NOTE
Make sure valve plate (F) does not come off with valve
block (G). Using scriber, mark both subdeck (H) and bearing
housing (J).
Using scriber, mark both subdeck (4)
5.
and bearing housing (J) for alinement
during installation.
Lift valve block (G) off subdeck housing (H).
6.
7.
Using pliers, remove alinement pin (K).
Remove gasket (L) and packing (M). Throw gasket (L) and packing (M) away.
8.
9.
Remove gasket (L) and preformed packing (M). Throw gasket (L) and preformed packing
(M) away.
TA251693
Go on to Sheet 3
4-43