TP0003B
BM BULKMETER
Chap 6
Page 2
FAULT FINDING
TABLE 1 - FAULT FINDING (continued)
FAULT
POSSIBLE CAUSE(S)
REMEDY
EXTERNAL LEAKS AT:
Manifold/Pipeline Flanges
Loose flange nuts
Check tighten nuts.
Defective gasket(s)
Renew gaskets, check condition of
flange faces.
Meter Body/Manifold Seal
Loose nuts
Check tighten nuts.
Defective seal
Renew seal, check seal seating.
Front Cover/Meter Body
Loose nuts
Check tighten nuts.
Defective seal(s)
Refer to Chapter 5, renew cover
seal(s).
Front Cover/Calibrating mechanism Faulty spindle seal
Refer to Chapter 5, renew spindle
seal.
Drive spindle not concentric
Use a clock gauge and check
concentricity is within 0.076 mm
(0.003 in.) total clock reading,
Rear Cover/Meter Body
Loose nuts
Check tighten nuts.
Defective seal(s)
Return
meter
to
Liquid
Controls.
DO
NOT
ATTEMPT
REAR
COVER
REMOVAL
Rear cover spindle seal (additive
adaption only)
Faulty spindle seal
Refer to Chapter 5.
Spindle not concentric
General Leakage
Seal(s) incompatible with product
Verify seal compatibility.
Failure to adjust calibration within
limits
Internal wear of Calibration
Mechanism and/or Meter
Refer to Chapter 5, dismantle
clean, inspect and renew defective
components of calibrating
mechanism/meter. Reassemble
and test.
Register reading erratic or failing to
read
Calibration mechanism drive or
gear train faulty
Refer to Chapter 5 and dismantle,
clean and inspect, renew
components as necessary.
Reassemble and test.
Lack of, or poor, lubrication
Check lubrication.
Faulty register
Renew register.
Measurement problems
Meter not calibrated for the product
being measured
Calibrate with Master Meter
Summary of Contents for Avery-Hardoll BM Series
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