
ARB Approved IOM – Executive Orders VR-201-B and VR-202-B (Wayne Harmony WayneVac Dispenser)
Page 120
Healy Systems, Inc.
Website: http://www.healysystems.com
18 Hampshire Drive
Email: [email protected]
Hudson, New Hampshire 03051 USA
Telephone: 603.882.2472
ARB Approved Installation, Operation and Maintenance Manual (November 2006) Fax: 603.882.5189
Healy Systems, Inc. – the innovative leader of Stage II vapor recovery equipment
17. VP1000 VANE & ROTOR SERVICE & REPLACEMENT GUIDE
CAUTION: Disconnect power before beginning serivce
1. The work area
must
be clean and have sufficient lighting.
2. Disconnect the vapor piping connected to the
IN
and
OUT
ports of the VP1000 cover assembly.
3. Remove the four Allen head screws and lock washers that secure the pump cover assembly to the pump
housing and remove the cover carefully.
CAUTION: Use a spill cloth when removing the cover, as there
may be some gasoline inside the pump cavity
.
4. Carefully turn the rotor assembly by hand until the shaft key notch is at the 12 o’clock position. (See Figure 1)
5. Remove the rotor, vanes and shaft key from the pump housing.
NOTE: Place your hand or a container
under the rotor while removing
.
6. Inspect the rotor and vanes for damage or excessive wear such as cracks, chips or breaks. Replace rotor and
vanes if any damage is found. (PN# VP1000VRC)
7. If no visible damage is apparent, the existing rotor and vanes may be reused after thoroughly cleaning with
isopropyl alcohol.
8. Using the isopropyl alcohol with a lint free cloth or rag, thoroughly clean the inside and rear of the pump cavity,
rotor shaft, and the inside of the pump cover assembly.
NOTE: Do not use any sharp objects that would
scratch these surfaces.
9. Reposition the shaft (if necessary) so that the shaft key notch is in the 12 o’clock position. Install the cleaned
original or new shaft key onto the shaft.
10. Carefully install the cleaned original or new carbon rotor onto the shaft followed by the cleaned original or new
vanes into the rotor.
NOTE: The rotor assembly should slide on the shaft easily, without excessive force.
(Rotor and vanes are reversible)
11. Lightly lubricate and install the inspected original or new O-Ring for the pump housing.
NOTE: Do not allow
any lubricant to get inside the pump housing
.
12. Install the pump cover using the four Allen head screws and lock washers removed in step 3 and cross tighten.
NOTE: Use caution when sliding the pump cover over the O-Ring seal to prevent cutting or tearing
.
13. Re-connect the vapor piping to the
IN
and
OUT
ports of the pump cover assembly that was removed in step 2.
14. Re-apply power. Test for normal operation. (See VP1000 Vacuum Performance Test Procedure)
Figure 1