GE H301 Series Operating Manual page 46

H301/302 series (3 stage) stepped piston assemblies with counterweights
4 x 2.5 5 x 2.5
2.5
3
3.5
4
4.5
5
NO CTWT
5.5
NEEDED
NO CTWT NO CTWT
6
NEEDED NEEDED
6.5 3-105620 3-105620
7.5
3-105620 3-105620
8 3-105620 3-105620
9
10
*not possible to balance
Table 11 3 stage counter balance weight part numbers
36 | Chapter 3: General Data/Specifications
Stepped piston assemblies
5 x 3 5.5 x 3 5.5 x 3.5
NO CTWT
NEEDED
3-105620 3-105620 3-105620
3-105620 3-105620 2-105620
3-105620 3-105620 3-105620
4-105620 4-105620 4-105620
* *
5.5 x 4 6.5 x 3 6.5 x 3.5
3-105620
2-105620 420-9819 420-9819
3-105620 420-9819 420-9819
3-105620 420-9802 420-9802
* 11-105620 11-105620 11-105620
Select the pistons from the top and the left side of this chart. Follow
the selections horizontally and vertically to find the counterweight
part number in the intersecting block.
6.5 x 4 7.5 x 4 8 x 4
420-9819
420-9819 3-105620
420-9802 3-105620 3-105620
* *
8 x 5
3-105620
*