Displacement Pump
NOTE: Packing Repair Kit 239939 is available. Refer- ence numbers of parts included in the kit are marked with an asterisk, i.e., (223*).
Removing pump (See Fig.8)
1 | Torque to | Nm) | 232912, |
| 50 | 232913, | |
|
|
| |
2 | Apply pipe |
| 232915, |
| sealant (110110) | 232917 | |
12
11
|
|
| 14 | 215 |
|
|
| 15 | *214 |
|
|
| 222 | |
|
| 18 |
| |
|
|
| *227 | |
| 48 |
|
| |
|
|
|
| |
1 | 17 | 213 | 36 |
|
43
47
2
50
213
Fig. 8 | 9663A |
1.
Relieve pressure; page 3.
2.Flush pump, if possible. Relieve pressure. Stop pump with piston rod (222) in its lowest position, if possible. To lower piston rod manually, rotate motor fan blades.
3.Remove filter (48).
4.232912, 232913, 232915, 232917. Unscrew drain hose from inlet adapter (43). Remove drain hose by unscrewing displacement pump nipple (36).
5.232910, 232911, 232914, 232916, 232918 and 232919. Remove suction tube. Remove drain hose by unscrewing displacement pump nipple (36).
6.Use a screwdriver to push retaining spring (15) up and push out pin (14).
7. Loosen screws (17). Remove pump (18).
Repairing pump
See manual 308815 for displacement pump repair instructions and parts.
Installing pump (See Fig. 8 and 9)
15 
201 
14
202
Fig. 9 | 7840A |
1.Lightly grease or oil transducer (67). See Fig. 15. Guide pump over alignment pins and pressure transducer. Tap it into position with a soft hammer. Tighten screws (17) to 50
2.Align hole in rod (222) with connecting rod assem- bly (12). Use screwdriver to push retaining spring (15) up and push in pin (14). Push retaining spring into place around connecting rod.
WARNING
MOVING PARTS HAZARD
Be sure retaining spring (18) is firmly in groove all around, to prevent pin (14) from working loose. See Fig. 9.
If pin works loose, parts (including pump connect- ing rod or bearing housing) could project into the air and cause serious injury or property damage.
3.Reconnect suction and drain hoses (47, 50). Install front cover (11).
4.Tighten packing nut (202) enough to stop leakage, but no tighter. Fill packing nut full with Graco TSL. Push plug (201) into packing nut.
309067 11