Page 255 - Shale Shakers Drilling Fluid Systems
P. 255
APPENDI X
Troubleshooting Guide
When shale shakers cease to operate as ex- Always contact the manufacturer's service de-
pected, a variety of items need to be checked and partment when you have a situation where dam-
the problem eliminated. This section presents a age or injury could result, and especially where
general guideline for troubleshooting some com- electrical shock hazards may exist.
mon problems observed in shaker operations. Refer
to the manufacturer's service manual for specific
or special instructions for each design.
Problem: Items to check: Solution:
Motor will not start/run Power supply incompatible Check power and wire motors
Power supply disconnected Reconnect power
Power cable failure Replace or repair cable
Motor damage Replace or repair motor
Overloaded or overheated Replace overload protection with
motor proper type and rating
Over-greasing motors Remove drain plug before greasing;
motor must be rebuilt if damaged
Drive belt too tight Adjust according to manufacturer's
recommendations
Motor overheating Moisture in motor Open electrical covers and allow to
dry; reseal covers properly
Undersized overload heaters Replace with properly sized heaters
Single phasing Check that all leads are well
connected and voltages are
consistent at each leg
Unbalanced terminal voltage Check for faulty leads, connections,
and transformers
Bearing failure Replace motor
Drive belt problems Check manufacturer's
recommendations and adjust
or replace
Noisy operation Worn bearings Replace motor
Shock mount/float mount Check for obstructions, over/under
problems inflation, or breakage; adjust or
replace
Loose or cracked motor mounts Re-torque and/or replace motor
Shipping brackets not removed Remove the brackets
Damaged or cracked shaker Repair or replace after checking
basket with manufacturer
Object leaning against or Remove object or reposition to
bumping shaker basket prevent damage
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