Graco Dura-Flo 7847 Instructions Manual page 18

Repair
5. Screw the nuts (107) onto the tie rods (106). Torque
as noted in F . 3.
IG
6. Screw the coupling nut (103) onto the motor shaft
(MS) loosely. Hold the motor shaft flats with a
wrench to keep it from turning. Use an adjustable
wrench to tighten the coupling nut. Torque as noted
in F . 3.
IG
7. Tighten the packing nut/wet-cup (PN) as specified in
the lower pump manual 308354.
101
MS
105
104
103
2
108
102
F . 3. Reconnect the Lower
IG
18
1
Torque to 68-81 N•m (50-60 ft-lb).
2
Torque to 196-210 N•m (145-155 ft-lb).
106
DR
PN
107
1
TI8356b
8. Reconnect all hoses. Reconnect the ground wire if it
was disconnected. Fill the packing nut/wet-cup (PN)
1/3 full of Graco Throat Seal Liquid or compatible
solvent.
9. Turn on the air or hydraulic power supply. On
hydraulic pumps, open the hydraulic return line
valve first, then the supply line valve. Run the pump
slowly to ensure that it operates properly, or prime
pump (see Startup on page 14).
101
MS
105
104
103
108
2
102
106
DR
PN
107
1
TI8355a
311828F