© Danfoss | DCS (ms) | 2020.11
Fig. 1: Repair Kit content
1. Cone-spindle
2. O-ring inlet connector
3. O-ring cap
Fig. 2: Unseal SFA
1. Cut wire to unseal SFA
Note:
Cutting the wire will make any warranty void
Fig. 3: Fixation/ Cap removal
1. Fix the SFA in a vice at this area
2. Unscrew the cap (25 mm or adjustable wrench)
Fig. 4: Loosen locknut/ adjustment screw
1. Loosen locknut 1/2 turn counterclockwise (18 mm socket wrench)
2. Loosen adjustment screw 15-20 turns counterclockwise (Allen key 6 mm)
Fig. 5: Unscrew inlet connector
1. Unscrew inlet connector (35 mm – 6 edge socket wrench or 36 mm – 12 edge socket wrench)
Fig. 6: Cone-spindle removal
1. Carefully take out the insert
2. Place on soft and clean surface
Note:
Inspect and clean the valve seat and spring for dirt and particles. Replace the valve if the spring is corroded.
Fig. 7: Cone-spindle replacement
1. Remove loose parts
2. Replace the Cone-spindle
3. Re-assemble loose parts
Fig. 8: Insert Cone-spindle assembly
1. Carefully insert new Cone-spindle assembly
Fig. 9: Reinstall inlet connector
1. Replace O-ring
2. Tighten inlet connector to torque 225 Nm (166 ft lb)
Fig. 10: Reset adjustment screw
1. Fasten adjustment screw 15-20 turns clockwise
Fig, 11: Calibration
Calibration by authorized personel. The following steps (fig.12 to fig.14) must be done by authorized personel
only
Fig. 12: Fasten lock nut
1. Fasten lock nut to torque 30 Nm (22.1 ft lb)
Fig. 13: Fasten cap
1. Replace O-ring
2. Fasten cap to torque 90 Nm (66.4 ft lb)
Fig. 14: Reseal SFA
1. Reseal SFA
AN352739267283en-000101 | 6
