Multifunction Block Disassembly - Danfoss 51 Series Service Manual

Service Manual
EP, EQ, ER, ES Controls
Series 51 Electrohydraulic Proportional Controls Service Manual
PCOR
U7
U6
N27A
N27
N23
N27A
N23A
Legend
Item
N27
N23
U6, U7
N29
N14

Multifunction Block Disassembly

1. Using a ¼ inch internal hex wrench, remove plugs (N26). Remove and discard O-rings (N26A).
2. Remove the spool (N30).
3. Remove screws (N58). Remove the multifunction block (N1A1).
4. Remove and discard the O-rings (G36, G38, G42) or gasket (N240).
5. Using a 1/8 inch internal hex wrench, remove plugs (N27). Remove and discard O-rings (N27A).
6. If present, remove and discard screens (N52).
7. Using a 3 mm internal hex, remove orifices T4, T5, and T6 , if present.
11009448 • Rev BA • July 2014
N22&N20
N8 7
N18
N29
N27
Wrench size
1/8 inch internal hex
1 inch
3 mm internal hex
5 mm internal hex
1-5/16 inch
P101 952
Torque
7 Nm [4 lbf•ft]
40 Nm [30 lbf•ft]
6 Nm [4 lbf•ft]
16 Nm [12 lbf•ft]
N/A
37