Electronic Torque Limiting Control
Repair
Disassembly, inspection and reassembly steps are the same as the steps in the previous topic (Electric
Controls). This includes repair of the spools and plugs.
The solenoid (C155), nut (QC125), and O-rings (QC120) for the valve are available as separate repair
parts. The valve is only available as a complete assembly (QC150).
If it is necessary to remove the orifice (H020), use a 3 mm internal hex wrench. Torque it to 2.7 Nm [24
in-lb] when it is installed in the manifold.
P108790
QC125
* Included in overhaul seal kit Q210
C155
QC150
QC120
C154
C149
C151
C152
H020
C153
*C200
C300
Item Description Wrench size Torque
C149 Orifice 3 mm internal hex 2.7 Nm [24 in-lb]
C151 Screws 6.4 Nm [4.7 lbf-ft]
C152 Manifold - -
C153 Plug 5 mm internal hex 12 Nm [8.9 lbf-ft]
C154 O-ring - -
C155 Solenoid - -
C200 O-rings - -
C300 Screws 6.4 Nm [4.7 lbf-ft]
QC120 O-rings
QC125 Nut 8.7 Nm [6.4 lbf-ft]
QC150 Valve assembly 27.7 Nm [20.4 lbf-ft]
H020 Manifold orifice 3 mm internal hex 2.7 Nm [24 in-lb}
Service Manual
Series 45 E Frame Open Circuit Pumps
Minor repair
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©
Danfoss | September 2016 AX00000024en-US0401