Danfoss Series 42 Service Manual

Installation of FNR and NFPE modules (bolt-on valves)
1. Clean the sealing surfaces. Install new gasket (E074).
2. Using petroleum jelly to retain them, install new O-rings (D004A) in the bottom of the control.
3. Replace the bolts (D081) and torque to 7 N•m [5 lbf•ft]. (neutral adjust bolt side).
Bolt torque patterns
1
2
3
4
Torque bolts in order indicated
3
2
4
1
P101 580E
FNR, NFPE, and NFPH Controls (integral valves)
The FNR, and NFPE are non-feedback type controls. The FNR and NFPE controls consist of solenoid-
actuated spool valves mounted on the pump housing.
You may remove the valves to clean the ports and replace the O-rings, however, the valves are not
serviceable.
FNR and NFPE assembly (integral valves)
P108 123E
D061
D062
D060
D061
D062
D064
D063
D060
includes
D063
and D064
7 N•m
[5 lbf•ft]
3/4 inch
30 N•m
[22.5 lbf•ft]
7/8 inch
30 N•m
[22.5 lbf•ft]
1 inch
3.4 N•m
[2.5 lbf•ft]
3/4 inch
D099
Removal of FNR and NFPE modules (integral valve style)
1. Clean the pump and control housings.
2. Remove the coil nuts (D062) and coils (D061). Discard O-rings (D063 and D064) from NFPE coils
3. Remove valve actuater stems (D060) and discard O-rings.
4. Examine the ports for cleanliness.
Service Manual
Series 42 Axial Piston Closed Circuit Pumps
Minor Repair
52 520L0638 • Rev 0300 • July 2015

Danfoss Series 42 Specifications

General

Brand	Danfoss
Model	Series 42
Category	Water Pump
Language	English