Danfoss iSave 21 ERD Service guide

Service guide

Vane pump upgrade kit 180F4161

iSave 21 ERD
Disassembling and assembling

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Service guide | Disassembling and assembling iSave 21 vane pump with upgrade kit 180F4161

Table of Contents

Contents

1. General Introduction........................................................................2

1.1 Parts included in the vane pump upgrade kit 180F4161 .....................................2

2. Disassembling the iSave ................................................................3

2. Disassembling the vane pump ..........................................................4

3. Assembling the vane pump - with parts from the vane pump upgrade kit ................6

4. Assembling the iSave....................................................................9

5. Exploded view vane pump .............................................................10

6. Exploded view iSave ...................................................................11

1. General Introduction

This document covers the instructions for
installing the vane pump upgrade kit 180F4161.

Important: It is essential that the iSave and
vane pump are serviced in conditions of abso­lute cleanliness.

For a better understanding of the vane pump and
iSave, please see the exploded views in the sec­tions 5 and 6.

The weight of the iSave is 65 kg / 143 lb
and it must be lifted with suitable lifting
equipment.

To prevent cold welding, lubricate threads of
screws with grease; screw them into the compo­nent and tighten them by the hand. Use PTFE
lubrication type.

Tools needed for upgrading vane pump::

- 10 mm socket

- Torque wrench

- Adjustable spanner

- Loctite 270

- 6 mm allen key socket (160 mm long)

1.1 Parts included in the vane pump
upgrade kit 180F4161

Qt y. Description

1 Stator ring

8 Vanes

1 Side plate out

1 Side plate in

4 Peek pin Ø6.9

2 Pin Ø6x10

2 Pin Ø4x9

3 O-ring 112x2.5

1 O-ring 44x3

1 O-ring 80x2

2 Steel location pin for stator ring

10 Screws for M8x16

10 Screws for M8x25

8 Screws for M8x65

2

180R9402 | 521B1455 | DKCFN.PI.0 03.T1.02 | 10.2017

Service guide | Disassembling and assembling iSave 21 vane pump with upgrade kit 180F4161

2. Disassembling the
iSave

1. Place the iSave on a clean table.

3. Remove the vane pump.

2. Unscrew the bolts in the flange.

180R9402 | 521B1455 | DKCFN.PI.0 03.T1.02 | 10.2017

3

Service guide | Disassembling and assembling iSave 21 vane pump with upgrade kit 180F4161

2. Disassembling the
vane pump

1. Gently adjust the spanner wrench around
the coupling and use it as back stop.

3. Remove all bolts in the HP out connection
flange.

2. Unscrew the bolt in the middle of the
coupling and remove the coupling.

4. Remove the flange.

5. Remove side plate and pin

4

180R9402 | 521B1455 | DKCFN.PI.0 03.T1.02 | 10.2017

6. Side plate removed.