Control Orifices - Danfoss 51 Series Service Manual

Service Manual
EP, EQ, ER, ES Controls
38
Series 51 Electrohydraulic Proportional Controls Service Manual
Multifunction Block
G42
G38
N26
N30
N27A
N27
N27
Legend
Item
N58
80cc, 110cc
N58
160cc, 250cc
Item
N27
N26
T4, T5, T6

Control Orifices

1. Remove plugs (N27) covering orifices (T4, T5, T6) using a 1/8-inch internal hex wrench or a 1/4-inch
wrench.
2. Remove and discard O-rings.
3. Using a 3 mm internal hex wrench, remove all orifices.
4. Clean the orifices thoroughly.
5. Install the orifices. Using a 3 mm internal hex, torque to 4 N•m [3 lbf•ft].
C
Caution
Do not over-torque the orifices.
6. Install plugs (N27). Torque plugs to 9 N•m [7 lbf•ft].
11009448 • Rev BA • July 2014
G36
G38
G42
G38
N52
N27
T4
N1A1
N27
N58
Wrench size
8 mm internal hex
10 mm internal hex
Wrench size
1/8 inch internal hex
1/4 inch internal hex
3 mm internal hex
N240
N27
N27
T5
N27
T6
N26
P101 954
Torque
78 Nm [58 lbf•ft]
110 Nm [81 lbf•ft]
Torque
7 Nm [4 lbf•ft]
37 Nm [28 lbf•ft]
6 Nm [4 lbf•ft]