TM 5-5420-227-24
HYDRAULIC PUMP REPAIR (Sheet 9 of 11)
NOTE
Cylinder bore in line with cylinder block
(X) retainer slots is No. 1 cylinder bore.
Piston in line with drive shaft (A) retainer
slots is No. 1 piston. Remove protective
caps as necessary.
Insert No. 1 piston in No. 1 cylinder bore.
16.
Insert two pistons closest to No. 1 piston
17.
in their cylinder bores.
18.
Continue inserting pistons, first on one
side of No. 1 piston, then on other side,
until only two pistons remain uninstalled.
19.
Tilt cylinder block (X) carefully back and
slip rear knuckle (V) into cylinder block
retainer with grooved end up.
Tilt cylinder block (X) forward and slide remaining knuckle (V) into remaining retainer
20.
slot .
Install two remaining pistons.
21.
Push cylinder block (X) straight down to check installation. Action should be smooth
22.
and springy.
TA170527
Go on to Sheet 10
4-50