Danfoss Side cover seal nut replacement procedure Installation guide

Service Kit Instructions

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

Wishbone

tool

Wishbone locating plug

	Remove and Replace	1.	Remove and discard the seal nuts
		2.	Clean any remaining seal material
	Side Cover Seal Nuts			Case drain plug	Seal nuts
		3.	Replace the seal nuts and torque to 17 ft•lbs

Front cover

Remove Wishbone

Tool

1.Reverse wishbone tool installation instructions above

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

© Danfoss, 2016

AN00000362en-US | 11194839• Rev 0101 • July 2017

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