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Servicing the Gear Pump
g411769
1.
Pump body
2.
Front cover
3.
Rear cover
4.
Thrust plate
5.
Thrust plate
6.
Drive shaft/gear
Disassembling the Gear Pump
Field Pro® 6040
22267SL Rev A
7.
Driven shaft/gear
8.
Cap screw (4 each)
9.
Washer (4 each)
10.
Body seal (2 each)
11.
Uni-ring
12.
Front seal
Service the gear pump for cleaning, inspection and seal replacement only.
Individual gears, housings and thrust plates are not available separately. If
internal components are worn or damaged, the gear pump must be replaced as
a complete assembly.
Refer to
Figure 50
for this procedure.
1. Plug pump ports and thoroughly clean exterior of pump with cleaning solvent.
Make sure work area is clean.
2. Use a marker to make a line across the front cover, housing and end cover
for assembly purposes.
Figure 50
13.
14.
15.
16.
17.
Page 5–67
Shaft seal
Retaining ring
Antiextrusion
Antiextrusion
Dowel pin (4 each)
Hydraulic System: Service and Repairs
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