Page 157 - Machinery Component Maintenance

140 Machinery Component Maintenance and Repair

2. AMBIENT TEMPERATURE SHALL BE AT LEAST 65'F DURING
MIXING, PLACEMENT AND CURING OF THE EPOXY GROUT.
3. MIXING EQUIPMENT SHALL BE CLEAN AND FREE OF ALL
FOREIGN MATERIAL, SCALE, MOISTURE AND OIL.
4. ALL PERSONNEL HANDLING OR WORKING WITH THE GROUTING
MATERIALS SHALL FOLLOW SAFETY INSTRUCTIONS PRINTED
ON THE CAN LABELS.
5. ONLY FULL UNITS OF EPOXY RESIN, CONVERTER AND
AGGREGATE SHALL BE USED IN PREPARING THE GROUT.
6. THE EPOXY RESIN (PART A - BLUE LABEL) AND THE CON-
VERTER (PART B - RED LABEL) SHALL BE HAND BLENDED
FOR AT LEAST THREE (3) MINUTES BUT NO MORE THAN FIVE
(5) MINUTES PRIOR TO ADDING THE AGGREGATE FILLER,
7. IMMEDIATELY AFTER THE LIQUID BLENDING HAS BEEN
COMPLETED, THE AGGREGATE SHALL BE SLOWLY ADDED AND
GENTLY HAND BLENDED SO AS TO FULLY WET THE AGGREGATE,
THE RATE OF BLENDING SHALL PREVENT AIR ENTRAINMENT
IN THE GROUT MIXTURE.

VII. PLACEMENT
1. A SUITABLE HEAD BOX SHALL BE PREPARED TO HYDRAULICALLY
FORCE THE GROUT INTO THE BASEPLATE CAVITIES.
2. GROUTING SHALL BE CONTINUOUS UNTIL THE PLACEMENT OF
GROUT IS COMPLETE UNDER ALL SECTIONS OR COMPARTMENTS
OF THE BASEPLATE. IF MORE THAN ONE UNIT OF GROUTING
MATERIALS IS REQUIRED FOR A GIVEN PIECE OF EQUIPMENT.
TWO MIXING BOXES SHALL BE EMPLOYED. SUBSEQUENT
BATCHES OF GROUT SHOULD BE PREPARED SO AS TO BE READY
WHEN THE PRECEDING BATCH HAS BEEN PLACED.
3. NO PUSH RODS OR MECHANICAL VIBRATORS SHALL BE USED
TO PLACE THE GROUT UNDER THE BASEPLATE.
4. ONE (1) 4" X 4" X 4" TEST CUBE SHALL BE MADE FROM EACH
UNIT OF GROUT PLACED. THE SAMPLE(S) SHALL BE TAGGED
WITH THE EQUIPMENT NUMBER ON WHICH THE BATCH WAS USED
AND WHERE IN THE FOUNDATION THE BATCH WAS PLACED.

VIII. FINISHING
1. WHEN THE ENTIRE FORM HAS BEEN FILLED WITH GROUT,
EXCESS MATERIAL SHALL BE REMOVED AND THE EXPOSED
SURFACES TROWELLED SMOOTH. THE TROWEL SHALL BE
WETTED WITH A SMALL AMOUNT OF ESCOWELD 9615 CLEAN-UP
SOLVENT. CARE SHALL BE TAKEN TO PREVENT BLENDING THE
SOLVENT INTO THE GROUT SURFACE,
2. ANY AIR BUBBLES RISING TO THE SURFACE OF THE GROUT
SHALL BE REMOVED BY LIGHTLY SPRAYING THE BUBBLED
SURFACE WITH ESCOWELD 9615 CLEAN-UP SOLVENT USING
A HAND SPRAYER.
3. FORMS SHALL BE LEFT IN PLACE FOR TWENTY-FOUR (24)
HOURS TO PERMIT THE GROUT TO CURE. THE SURFACE OF
THE GROUT SHOULD BE FIRM AND NOT TACKY TO THE TOUCH.