Nordson_EFD_Rhino_SD2_XD2_Operating Manual - 第20页

Rhino SD2/XD2 Pumps 16 E 2013 Nordson Corporation Part 1073520-12 Air Motor The following paragraphs provide repair procedures for the air motor section. Replace the T rip-Rod U-Cup The trip-rod U-cup can be replaced wit…

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Rhino SD2/XD2 Pumps
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Part 1073520-12
E 2013 Nordson Corporation
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PARTS ARE INCLUDED IN THIS KIT:
XD2 8.1 CUBIC INCH STAINLESS STEEL PACKING GLAND SERVICE KIT 1074331
PARTS ARE INCLUDED IN THIS KIT:
XD2 8.1 CUBIC INCH ARW STAINLESS STEEL DRIVE TRAIN SERVICE KIT 1074332
SEQUENCE
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TORQUE
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Figure 8 Stainless Steel Hydraulic Section Repairs
Rhino SD2/XD2 Pumps
16
E 2013 Nordson Corporation
Part 1073520-12
Air Motor
The following paragraphs provide repair procedures for
the air motor section.
Replace the Trip-Rod U-Cup
The trip-rod U-cup can be replaced without removing the
air motor from the pump.
Remove the Trip-Rod U-Cup
1. See Figure 9. Remove the screws (2) securing the
cover (1) to the trip-rod assembly (6).
2. Remove the screws (5) and washers (4)
securing the trip-lever mounting pad (15) to
the trip-rod assembly (6).
3. Swing the trip-lever mounting pad (15) away from the
seal retainer plate (11).
4. Place a wrench on the flats of the piston rod (13).
Remove the nut (7) securing the trip-bar (8) to the
piston rod.
5. Remove the screws (9) and washers (10) securing
the seal retainer plate (11) to the trip-rod
retainer (12).
! CAUTION !
Use a small screwdriver or an O-ring pick in
the next step to prevent damage to the U-cup
bore and piston rod.
6. Remove the U-cup (14) from the trip-rod
retainer (12). Discard the U-cup.
Install the Trip-Rod U-Cup
1. See Figure 9. Lubricate the new U-cup (14) with
TFE grease (16). Insert the U-cup into the trip-rod
retainer (12) as shown.
2. Install the seal retainer plate (11) onto the trip-rod
retainer (12) using the screws (9) and washers (10).
Tighten the screws to 22−25 ft-lb (30−33 Nm).
3. Place a wrench on the flats of the piston rod (13).
Install the trip-bar (8) to the piston rod using the
nut (7). Tighten the nut securely.
4. Perform the following:
a. Make sure that the mounting pad pins (3)
protrude through the trip-rod assembly (6)
as shown.
b. Secure the trip-lever mounting pad (15) to
the trip-rod assembly using the screws (5)
and washers (4). Tighten the screws
to 22−25 ft-lb (30−33 Nm).
5. Install the cover (1) to the trip-rod assembly using the
screws (2). Tighten the screws securely.
Rhino SD2/XD2 Pumps
17
Part 1073520-12
E 2013 Nordson Corporation
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U-CUP
ORIENTATION
Figure 9 Replacing the Trip-Rod U-Cup