Figure 4-21 Installing Bal-Seal (20) In Piston Groove (18) - Siemens Maxum II PD PA AP Service Manual

12.Position valve upright with the three ports on the left. Place assembly guide tool (Part
Number T11000) on the valve, with the cutout on the lip of assembly tool over the upper
tube fitting. Refer to Figure 6-6.
13.Lift piston and Bal-Seal assembly and orient assembly with the upper piston index guide
pin towards the maintenance person.
14.Firmly, but evenly, press the piston and Bal-Seal assembly through the assembly guide
tool into the cylinder valve base (16). Refer to Figure 6-7.
15.Remove guide tool assembly stud and lock washer.
Figure 4-21 Installing Bal-Seal (20) in Piston Groove (18)
Figure 4-22 Placing Assembly Guide Tool on Valve Base (16)
Maxum II Valves and Oven Components
Service Manual, 10/2018, A5E42019844001
A
4.5 Model 20 HT Valve
B
Valves
77