Multi-Function Valve Cartridges - Danfoss 90 Series Service Manual

Service Manual
Minor repair

Multi-function valve cartridges

44
Series 90 Pumps
4. Lubricate and install a new O-ring (L50) on the seal carrier. Lubricate the seal with clean petroleum
jelly.
5. Assemble the seal carrier and seal over the shaft and into the housing bore. Install the retainer plate
(if used).
6. Install the screws and torque to the appropriate value in the table to the right.
Torque the screws in a sequenced pattern then recheck.
Shaft retainer screw torque
Frame size
030 – 042
055 – 100
130 – 250
Older multifunction valves (pre 1988) contain different components. See
for disassembly instructions.
Multi-function valve removal / installation
Removal
1. Remove multi-function valves (P2A1 and P2B1) using hex wrench listed in table.
Multi-function valve wrench size
Frame size
030 – 100
130 – 250
2. Remove and discard O-rings (P13 and P06).
3. Relieve spring pressure by removing bypass actuator (P03), using a 1-1/16 wrench. To retain pressure
setting, do not separate adjusting screw (P01), and locknut (P04) from bypass actuator (P03).
520L0818 • Rev 0101 • August 2015
Torque
12 N•m [9 lbf•ft]
16 N•m [12 lbf•ft]
32 N•m [24 lbf•ft]
multifunction valves - Pre 1988
P2B1
P13
P06
P2A1
P106 180E
Wrench size
1-1/4 inch
1-5/8 inch