Edwards RV12 Service Manual

© Edwards Limited 2018. All rights reserved. Page 15
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Maintenance kits
A652-01-840 Issue P
Table 5 - Checklist of clean and overhaul kit components
Bag
Label
Qty Description
Figure 1 to 3
reference
Check ()
Bag 1 1 Shaft-seal spacer C 
1 Air bleed assembly 201 
1 Reed valve 111 
1 Oldham coupling (L.V. Oil pump) 119 
1 Printed gasket (seal carrier) 120 
1 Shaft-seal (inner)
*
123 
1 Shaft-seal (outer)
*
124 
1 Gas ballast check-valve 210 
2 Spring (dump valve and gas ballast check-valve) 211 
1 Printed gasket (cartridge) 215 
1 Dump valve
*
217 
1 Oil pressure valve 209 
1 O-ring: 57.6 x 2.4 (cartridge/adaptor)
*
127 
1 Coupling element 411 
Bag 2 1 Inlet valve 'U' sea
*
202-5 
1 O-ring: 49.5 x 3.0, nitrile (inlet valve) 202-6 
1 O-ring: 7.6 x 2.4 (inlet valve)
*
202-7 
1 O-ring: 32.5 x 3.0 (inlet valve) 202-8 
1 Spring (inlet valve) 213 
1 Printed gasket (top-plate) 216 
Bag 3 1 O-ring: 42.5 x 3.0, nitrile (inlet connection)
†
005 
1 O-ring: 14.6 x 2.4, nitrile (gas ballast control) 203-3 
1 O-ring: 9.6 x 2.4 (mode selector) 204-3 
1 Spring (gas ballast control) 212 
2 O-rings: 21.5 x 3.0, nitrile (gas ballast insert and mode
selector)
220 
1 Exhaust diaphragm
*
301-3 
1 Printed gasket (oil-box) 314 
3 O-rings: 28.2 x 3.53, nitrile (oil filler-plugs and Exhaust-
flange)
319 
1 O-ring: 69.5 x 3.0, nitrile (sight glass) 321 
1 O-ring: 15.6 x 2.4, nitrile (oil drain plug) 323 
1 O-ring: 21.5 x 3.0, nitrile (gas ballast control) 203-4 
1 Shoulder washer 222 
1 Inlet-valve pad
‡
202-3 
*
The components (or elastomer parts of these components) will be made from viton in the standard clean
and overhaul kit and from nitrile in the Nitrile clean and overhaul kit.
†
If required.
‡
Only supplied in the clean and overhaul kit (Nitrile).

Edwards RV12 Specifications

General

Brand	Edwards
Model	RV12
Category	Water Pump
Language	English