Mody Pumps M 126 T - Manual (Page 10)

RE-ASSEMBLY(REFER DRG. NO. DW/005/00-- SHEET 1 & 2).
• THE REVERSE OF LAST TWO STEPS (OF THE DIS-ASSEMBLY PROCEDURE) CAN BE
FOLLOWED FOR ASSEMBLY OF THE TOP BRACKET AND THE GLAND ASSEMBLY. REMEMBER TO
FIT "O" RING (26) IN THE TOP BRACKET.
• FIT THE TOP BEARING ON THE ROTOR.
• SLIDE BEARING COVER (36) ON ROTOR SHAFT AND FIT LOWER BEARING ON ROTOR BY
MEANS OF A HAND PRESS OR ANY OTHER SUITABLE METHOD.
• FIT MECHANICAL SEAL (44) ON ROTOR SHAFT AND LOCK THE ABOVE BY MEANS OF
CIRCLIP (45).
• FIT LOWER BEARING BRACKET (47) ON LOWER BEARING ALIGNING THE TAPPED HOLES
WITH THE HOLES IN THE BEARING COVER. FIT HEX BOLTS (39) AND TIGHTEN BEARING
COVER AGAINST BEARING.
• THE COMPLETE ROTOR ASSEMBLY WITH THE LOWER BEARING BRACKET CAN NOW BE
INSERTED INTO THE STATOR CASING. REMEMBER TO FIT THE "O" RING IN THE LOWER
BEARING BRACKET BEFORE FITTING IN STATOR. ALIGN HOLES IN LOWER BEARING
BRACKET WITH THE TAPPED HOLES IN THE STATOR CASING.
• FIT "O" RING IN SEAL HOUSING. FIT TUNGSTEN CARBIDE SEAL SEAT WITH SEAT CUP
IN SEAL HOUSING AND PRESS HOME. ENSURE THE SEAT IS FITTING SQUARE IN CAVITY.
FIT SEAL HOUSING IN LOWER BEARING BRACKET. ALIGN HOLES IN SEAL HOUSING WITH
HOLES IN LOWER BEARING BRACKET.
• LIGHTLY OIL THE TUNGSTEN CARBIDE SEAT AND SLIDE MECHANICAL SEAL ON SHAFT.
BE CAREFUL NOT TO DAMAGE THE BELLOWS OF THE SEAL. FIT CIRCLIP ON SHAFT AND
LOCK THE SEAL. FIT SAND GUARD IN SEAL HOUSING.
• FIT WEAR PLATE IN RECESS OF SEAL HOUSING. FIT 4 STUD BOLTS (54) THROUGH THE
HOLES IN THE LOWER BEARING BRACKET AND SEAL HOUSING AND SCREW THE SAME IN
THE STATOR CASING. THE NUT (WELDED) WILL SEAT IN THE RECESS OF THE WEAR
PLATE.
• FIT RUBBER SLINGER (57) ON IMPELLER HUB.
• SLIDE IMPELLER ON SHAFT AND ADJUST CLEARANCE BETWEEN THE IMPELLER AND WEAR
PLATE BY MEANS OF THE TRIMMING SPACERS. THE IMPELLER SHOULD RUN FREE OF THE
WEAR PLATE. PLACE THE LOCK WASHER AGAINST THE IMPELLER GUIDING THE TONGUE OF
THE WASHER INTO THE IMPELLER KEYWAY. LOCK THE IMPELLER BY MEANS OF THE
LOCKNUT (60) AND BEND THE WASHER OVER THE FLAT OF THE NUT.
• SLIDE THE OUTER CASING OVER THE WEAR PLATE AND LOWER BEARING BRACKET TILL IT
SITS AGAINST THE RECESS GUIDE OF THE TOP BRACKET. ENSURE THE "O" RING IS
FITTED IN THE TOP BRACKET BEFORE FITTING THE OUTER CASING.
• FIT THE DIFFUSER (61) THROUGH THE STUD BOLTS AND TIGHTEN AGAINST THE OUTER
CASING BY MEANS OF THE NUTS (7). SEE THAT THE IMPELLER RUNS FREELY AND THE
CLEARANCE BETWEEN THE DIFFUSER AND THE IMPELLER IS MINIMUM. IF ADJUSTMENT IS
NECESSARY, THIS CAN BE DONE BY INCREASING THE TRIMMING SPACERS.
• PUT THE STRAINER ON THE STUD BOLTS AND TIGHTEN BY MEANS OF NUTS.
• MAKE THE ELECTRICAL CONNECTIONS AS REQUIRED AND THE EARTHING CONNECTION. FIT
THE CABLE GLAND AND GLAND LOCK AND CLAMP THE CABLE. FIT THE OUTLET GASKET
AND THE OUTLET (63). (ALWAYS REPLACE THE RUBBER PARTS OF THE CABLE GLAND
ASSEMBLY --- DO NOT USE OLD RUBBER PARTS.)