Nordson_EFD_Rhino_SD2_XD2_Operating Manual - 第24页

Rhino SD2/XD2 Pumps 20 E 2013 Nordson Corporation Part 1073520-12 Replace the Supply T ube Quad- and O-Rings Use the following procedure to replace the supply tube quad- and O-rings. Remove the Supply Tube Quad- and O-Ri…

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Rhino SD2/XD2 Pumps
19
Part 1073520-12
E 2013 Nordson Corporation
0.040−0.070 IN.
IN OUT
ADJUSTMENT
SET SCREW
PILOT VALVE
ROLLER LEVER
(1.02−1.78 MM)
BOTTOMED OUT
TRIP BAR
2
1
5
4
9
10
11
8
3
7
6
12
13
LOWER PILOT VALVE SHOWN
Figure 10 Replacing a Pilot Valve
Rhino SD2/XD2 Pumps
20
E 2013 Nordson Corporation
Part 1073520-12
Replace the Supply
Tube Quad- and O-Rings
Use the following procedure to replace the supply tube
quad- and O-rings.
Remove the Supply Tube Quad- and O-Rings
1. See Figure 11. Remove the screws (4) and
washers (5) securing the upper supply tube
retainer (3) to the air manifold (1).
2. Remove the screws (11) and washers (10) securing
the lower supply tube retainer (9) to the base
plate (18).
3. Remove the supply tube (6) from the air manifold (1)
and base plate (18).
4. Remove the upper and lower retainers (3, 9) from the
supply tube and clean them in a compatible solvent if
necessary.
5. Remove the O-ring (2) from the air manifold (1).
Remove the Quad-rings (7) and O-ring (8) from the
base plate (18). Discard the Quad- and O-rings.
Install the Supply Tube Quad- and O-Rings
1. See Figure 11. Lubricate the Quad-rings (7) and
O-rings (8) with TFE grease. Install the Quad-rings
and O-ring into the base plate (18) as shown.
2. Install the lower retainer to the base plate (18) using
the washers (10) and screws (11). Only finger
tighten the screws at this time.
3. Lubricate the air manifold O-ring (2) with TFE grease
and install it into the air manifold (1).
4. Install the upper retainer (3) onto the air supply
tube (6).
5. Carefully insert the bottom portion of the air supply
tube (6) through the lower retainer (9) and into the
base plate (18).
6. Carefully insert the upper portion of the air supply
tube (6) into the air manifold (1).
7. Secure the upper retainer (3) to the air manifold (1)
using the screws (4) and washers (5). Tighten the
screws to 10−12 ft-lb (13−16 Nm).
8. Tighten the lower retainer screws (11)
to 10−12 ft-lb (13−16 Nm).
Replace the Piston Rod
Retainer U-Cup and O-Ring
1. See Figure 11. Remove the screws (13) and
washers (14) securing the piston rod retainer (15) to
the base plate (17).
2. Remove the O-ring (16) and U-cup (12) from
the piston rod retainer (15). Discard the O-ring
and U-cup.
3. Lubricate the new O-ring (16) and U-cup (12) with
TFE grease. Insert the O-ring and U-cup into the
piston rod retainer (15) as shown.
4. Install the piston rod retainer (15) onto the base
plate (17) using the screws (13) and washers (14).
Tighten the screws to 22−25 ft-lb (30−33 Nm).
Rhino SD2/XD2 Pumps
21
Part 1073520-12
E 2013 Nordson Corporation
U-CUP
ORIENTATION
2
3
4
5
6
7
8
12
9
10
11
13
14
15
16
17
18
1
Figure 11 Replacing the Base Plate Seals and Rings