5
Wanner Engineering, Inc.
United States
Instant Information: www.vectorpump.com
(612) 332-5681 Fax (612) 332-6937 VEC-991-2400E
Replacing Worn Hose
Remove Old Hose
1. Turn off and lock out all power to pump motor.
2. Remove front cover from pump (four screws).
3. See Figure 4. Position pressure rollers as shown.
4. Loosen screw(s) that secure mounting bracket of pressure
roller which is compressing hose. To maintain correct hose
compression adjustment,
DO NOT
loosen opposite roller’s
mounting bracket.
5. See Figure 5. Loosen hose clamp bolts. Remove hose
supports and clamps that secure both ends of hose.
6. Remove hose from pump casing.
7. Pull (cut hose if needed) hose connectors from worn hose.
Clean if reusable.
8. Carefully clean pump casing and front cover.
Service (Models 2002, 2003, 2004, 2005)
W0458
Loosen screw(s) that
secure this bracket.
Do not
loosen screw(s)
for this bracket.
Figure 4
Hose Support
Hose Clamp
W0459
Figure 5
9. Spin each roller to determine integrity of the bearings. Replace
roller and bearing assembly if either roller does not spin or
either roller runs rough.
Install New Hose
1. Check for correct length of hose:
Model 2002: 13 in. (330 mm)
Model 2003: 15 3/8 in. (390 mm)
Model 2004: 23 1/4 in. (590 mm)
Model 2005: 33 7/8 in. (860 mm)
2. Install connectors in new hose.
3. Make sure that pressure rollers are in same position as before.
See Remove Old Hose, Step 3.
4. Position bent hose inside pump casing.
5. Push upper connector against end of pump casing. Install top
hose clamp and secure its bolt.
6. Repeat Step 5 on lower connection.
Important:
On models 2002 through 2005, make sure the
hose lays completely against the inside of the pump casing.
7. Smear non-petroleum silicone grease on inner surface of
hose (where rollers contact hose).
8. Set roller pressure according to procedure following
(steps 2 thru 6).
