Nordson_EFD_Rhino_SD2_XD2_Operating Manual - 第48页

Rhino SD2/XD2 Pumps 44 E 2013 Nordson Corporation Part 1073520-12 Pneumatic Schematic See Figure 25. NON − REGULA TED AIR SUPPL Y 2 14 B A 35 4 A B 1 13 13 14 REGULA TED AIR SUPPL Y Figure 25 Pneumatic Schematic

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Rhino SD2/XD2 Pumps
43
Part 1073520-12
E 2013 Nordson Corporation
Air Requirements
See Figure 24. The minimum instantaneous flow rate
must be at least 175 SCFM at 60 psi for rapid air motor
direction changes. This flow rate minimizes material
pressure loss during pump shifts.
20
10
20
30
40
50
60
Strokes per Minute
Air Consumption
SCFM
Inlet Pressure
PSIG
0 10 30
10-Inch Air Motor
Figure 24 Air Consumption
Rhino SD2/XD2 Pumps
44
E 2013 Nordson Corporation
Part 1073520-12
Pneumatic Schematic
See Figure 25.
NON−REGULATED
AIR SUPPLY
2
14
B
A
35
4
AB
1
13
13
14
REGULATED
AIR SUPPLY
Figure 25 Pneumatic Schematic
Rhino SD2/XD2 Pumps
45
Part 1073520-12
E 2013 Nordson Corporation
Preventive Maintenance
! WARNING !
Allow only qualified personnel to perform the following
tasks. Follow the safety instructions in this document
and all other related documentation.
NOTE: It may be necessary to adjust frequencies due to
the facility enviornment, process parameters, material
being applied, or experience.
NOTE: The frequencies listed in Table 5 are only
guidelines. Always perform preventive maintenance
procedures according to your facility maintenance
schedule.
Table 5 Preventive Maintenance Schedule
Item Task
Time to
Complete
Frequency
Daily Weekly
Pump
Strokes
Other
Air Motor
Hose
Connections
Check and tighten
if necessary
5 min. X
Pressurized
Components
Inspect for leaks
5 min. X
Trip Rod
U-Cup Seal
Replace
30 min. 2,000,000
Piston
Rod Seal
Replace
30 min. 2,000,000
Piston
Assembly
Replace
2 hours 4,000,000
Pilot
Valves
Replace
30 min. 8,000,000
Main Air Motor
Control Valve
Replace
30 min. 8,000,000
Intermediate Valve Replace
15 min. 8,000,000
Floating
Joint Coupler
Replace
45 min. 2,000,000
Hydraulic Pump Assembly
Solvent
Chamber
Inspect and refill with fluid
if necessary
5 min. X
Solvent
Chamber Fluid
Replace
5 min. X
Packing Gland
Inspect for leaks and
replace if necessary
Inspect: 2 min.
Replace: 30 min.
X
Replace
30 min. 100,000
Plunger Rod
(Chrome)
Replace every other
packing change or, if
damaged or scored
2 hours 200,000
Plunger Rod
(Score Guard)
Replace every other
packing change or, if
damaged or scored
2 hours 400,000
Complete Drive
Train Assembly
Replace
2 hours 400,000