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Installing the Gear Pump
Hydraulic System: Service and Repairs
Refer to
Figure 49
for this procedure.
1. Lubricate new O-rings and place them onto the fittings. If previously removed,
install the fittings into the pump ports. Tighten the elbow fitting from 42 to 47
N·m (31 to 35 ft-lb), and the barb fitting from 28 to 31 N·m (21 to 23 ft-lb).
2. Apply clean petroleum jelly or light grease to a new O-ring (item 3) and
position the O-ring onto the gear pump flange.
3. With the shaft coupler installed between the pumps, align the gear pump
shaft and slide the gear pump into the coupler.
4. Secure the gear pump to the piston pump with the previously removed
fasteners.
5. Remove the caps and plugs from the hydraulic fittings and hydraulic hoses
then install the hydraulic hoses; refer to
(O-Ring Face Seal Fitting) (page
6. Prime the hydraulic pump; refer to
7. Charge the hydraulic system; refer to
5–55).
Installing Hydraulic Hoses and Tubes
5–8).
Priming the Hydraulic System (page
Charging the Hydraulic System (page
Page 5–66
5–54).
Field Pro® 6040
22267SL Rev A
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