Danfoss Orifice replacement procedure Installation guide

Service Kit Instructions

[18-30 lbf•in]

[1.8-3.3 lbf•in]

Sc

Series 45 Servo and Gain Control Orifices
Orifice replacement procedure

Series 45 Electric Proportional Control kits for frames E, F, J, and K2 come from the fac­tory with a 1.2mm gain orice and 0.8mm servo control orice installed in the control
assembly. A 1.0mm servo control orice is included in this kit in the event it is required.
Also, included in this kit is a 1.0mm and 0.8mm gain control orice in the event it is
required.

If the control orices require replacement, please refer to the instructions below.

Servo control orice

1. Remove servo control orice.

replacement

2. Install required servo control orifce, and
torque to 2-3.4 N•m [18-30 lbf•in].

Gain control orice

1. Remove solenoid coil nut.

replacement

2. Slide solenoid coil o.

3. Remove control solenoid actuator.

2. Remove plug.

3. Remove gain control orice.

4. Install required gain control orice, and
torque to 2-3.4 N•m [18-30 lbf•in].

Solenoid actuator

rews

4 mm

6.5 N•m
[4.75 lbf•in]

17 mm

23.0-28.5 N•m
[17-21 lbf•in]

Plug

3 mm

2-3.4 N•m
[18-30 lbf•in]

Solenoid coil

Solenoid nut

Feature

2.5-4.5 N•m

Gain orifice

Servo control
orifice

© Danfoss, 2015 11170669 • Rev BA • May 2017 1

3 mm

2-3.4 N•m

3 mm

2-3.4 N•m
[18-30 lbf•in]