SERVICE (cont.)
VACUUM/SUPPLY PUMP TUBE INSTALLATION
2.Separate the two halves of the pump and carefully remove the tubing from within.
3.Hold the new pump head as shown in Fig. 24, with rollers in the 2, 6, and 10 o’clock positions.
4.Reinstall tubing in the new pump head by wrap- ping the tubing around the rollers as shown in Fig. 24.
5.Insert the slot of the tubing key (supplied), as shown in Fig. 24, on the rotor so the bottom edge of the key is pressing the tubing into the pump head cavity as shown in Fig. 25.
6.Hold the tubing and rotor in the pump head and remove key carefully.
7.Squeeze the pump body and pump heads together simultaneously until pump body and pump head are touching on all sides. Be careful not to pinch the tubing between the pump body and the pump head.
8.Place the new pump body on the rotor shaft.
9.Replace the four thumbscrews to secure the pump to the motor assembly.
ROLLERS |
| |
| PUMP | |
| HEAD | |
| TUBING | |
| KEY |
|
EXIT | ENTRY |
|
PORT | PORT |
|
| FIG. 24 TUBING START POSITION | P1542 |
|
| |
| ROTOR |
|
ROTOR |
|
|
SHAFT |
|
|
FIG. 25 TUBING LOADED | P1541 |
|
20 | 41093 040408 |
|
