7
Concern
Possible Cause
Recommended Repair
Counter inaccurate.
Meter mis-calibrated.
Check calibration and recalibrate as
necessary (directions on page 4).
Air in lines or metering
chamber.
Check line seals and joints for
leakage; seal leaks appropriately.
Measuring disc is
sticking.
Clean or replace internal metering
components as necessary.
Low flow capacity.
Clogged meter
chamber.
Clean meter chamber; clean or
replace screens and filters in piping.
Meter body cracks.
Excess line pressure.
Install pressure relief valve to allow
high pressure to bleed back to the
tank. Replace meter.
Nutating Disc Broken.
Sudden high pressure
fluid hitting disc.
Avoid surge flows by installing a shut-
off valve on outlet of meter; install
meter as close to the pump as
possible, keep piping full of liquid.
Replace meter chamber assembly.
Fluid Compatibility
The 900DB series meter
IS
compatible with the following fluids:
Diesel Fuel Bio-Diesel (up to B20) Mineral Spirits Heptane Hexane Gasoline, E15
The 900DB series meter
IS NOT
compatible with the following fluids:
Bleach Hydrochloric Acid Ink Sulfuric Acid Salt Water
Assembly and Disassembly
The 900 Series Digital Meter consists of a chamber housing, measuring chamber, drive
shaft, digital counter assembly, and cover. The design of the meter is such that it can be
completely disassembled without disturbing the piping (refer to diagram on page 9 for item
number parts).
Accessing the Battery
For access to the batteries (2 AA batteries) (figure 1):
1) Remove the four screws at the top and bottom of the front
bezel (Torx #T25).
2) Lift bezel off. Batteries
are located on the back
side of the display; use a
Phillips head screwdriver
to remove the cover
screws to access the
batteries.
3) Reassemble
by
reversing this procedure.
CAUTION!
If in doubt about compatibility of a specific fluid, contact supplier of
fluid to check for any adverse reactions to the following wetted materials:
Aluminum Stainless Steel Fluorocarbon Buna N Polyester Nickel Acetal
Figure 1
mdi - Manufacturers Distributor Inc. | Phone: (813) 241 - 4900 | Fax: (813) 571 - 0422 | www.FillRitePumpSales.com | [email protected]