Danfoss Side cover seal nut replacement procedure Installation guide

Service Kit Instructions

Wishbone

locating plug

Case drain plug

Series 90 Pumps Side cover seal nut replacement procedure

Required Tools

Installation of Wishbone Tool

• ½ inch socket wrench

• Calibrated torque wrench (½inch drive)

• 13 mm socket (½in drive) and 14 mm internal hex socket (½inch drive)

Caution

Do not use air tool to complete required work

1. Watch the S90 Pump Seal Nut Replacement video:

www2.powersolutions.danfoss.com/s90repair

2. Drain oil from the pump

3. Clean front cover area and remove the drain port plug using a 14 mm internal hex socket

4. Insert the wishbone tool into the side cover drain port

5. Screw the wishbone locating plug into the side cover drain port

6. Seat the wishbone tool with the wing nut

tool

Wishbone

Remove and Replace Side Cover Seal Nuts

Remove Wishbone Tool

1. Remove and discard the seal nuts

2. Clean any remaining seal material

3. Replace the seal nuts and torque to 17 ft•lbs

1. Reverse wishbone tool installation instructions above

2. Install case drain plug and torque to 30-100 ft•lbs

Seal nut

Front cover