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Upgrade kits
The upgrade kits (Fig. 2, page 7) are used to
replace the existing PML air motor on any
pump
This kit includes a complete air motor and
the changeover components for both a fluid
and grease pump
NOTE
Do not discard tie rods and nuts when
servicing pump 9920, manufactured
prior to March 2006 Retain and reuse
Screws (22) may be discarded
Upgrade kit parts
Item
Description
a
Motor assembly, air (with NPTF inlet) (includes items 10 and 22)
10
Nut, serrated flange,
22
Screw, hex head,
b
Keeper
c
Screw (with nyloc insert)
d
Nut, flange,
3
/
e
Washer,
3
/
in
8
f
Quad-ring, 2
g
Piston, air
h
O-ring, 2
3
/
in (70 mm) ID x 3 in (76.2 mm) (pack of 10)
4
j
O-ring,
/
in (9.5 mm) ID x
3
8
1)
Kit, valve replacement
3)
(Includes sachet of 393590 grease) *
2)
Kit, keeper
3)
The kit components in fig. 1, page 6 and fig. 2, page 7 are packed loose
*
Indicates change
Upgrade kit
Part number
393705
/
in - 20
1
4
1
/
in - 20 x 7
1
/
in (190.5 mm)
4
2
/
in -24 x
/
in (19 mm)
3
3
8
4
in -24
8
/
in (66.7 mm) ID x 3 in (76.2 mm) OD (pack of 10)
5
8
/
in (12.7 mm) OD (pack of 10)
1
2
Air motor model
Notes
393413
Includes a sachet of 393590 grease *
Part no
2)
2)
2)
1)
339429
1)
1)
8
Quantity
1
5
5
4
1
1
1
1
1
1
1
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