Servo Control Orifice
1. Remove four screws (C300).
2. Remove the control and discard the four O-rings (C200).
3. Remove PC plug (C103), and PC spool (C132) from the control housing.
Note the orientation of the spool for reassembly.
4. Remove backup plug (G030), and orifice (G020).
5. Install the orifice (G020), and torque to 2-3.4 N•m [18-30 in•lb]. Then install the orifice backup plug
(G030), and torque to 2-3.4 N•m [18-30 in•lb].
6. Install the PC spool (C132), spherical end first, into the PC bore. Install plug (C103). Torque the plug to
10.8 - 13.5 N•m [8 - 10 lbf•ft].
7. Using petroleum jelly to retain them, install the four O-rings (C200) in the recesses on the control
housing.
8. Install the control assembly onto the endcap using four screws (C300). Torque the screws to 5.4 - 7.5
N•m [4 - 5.5 lbf•ft]. Torque screws in a criss-cross pattern and re-torque the first screw to ensure
proper torque retention.
Control assembly
P108 669E
C103
C132
C300
C200
G020
G030
Service Manual
Series 45 E Frame Open Circuit Pumps
Minor repair
©
Danfoss | September 2016
AX00000024en-US0401 | 39
All manuals and user guides at all-guides.com