Mody Pumps G 906 T - Manual (Page 9)

RE-ASSEMBLY OF THE PUMPSET.
THE PUMP CAN BE RE-ASSEMBLED AS PER PROCEDURE GIVEN BELOW. PLEASE HOWEVER NOTE
THE FOLLOWING:
A) ALWAYS REPLACE NEW O-RINGS AND DISCARD OLD ONES.
B) REPLACE NEW LOCK WASHER WHEN RE-ASSEMBLING.
1. THE CHECKED/REPAIRED STATOR IS KEPT UPRIGHT AND THE TOP BRACKET IS AFFIXED
THROUGH THE TWO BOLTS (5).
2. ALL THE ELECTRICAL CONNECTIONS OF THE STATOR LEAD WIRES AND EARTHING WIRE
SHOULD BE SECURE AND INSULATED.
3. SLIDE BEARING COVER (14) ON ROTOR SHAFT.
4. FIT BEARINGS (IF REMOVED OR REPLACED) ON ROTOR SHAFT (USE EITHER A HAND
PRESS OR SHRINK THE SAME -- DO NOT HAMMER THE BEARINGS ON THE SHAFT-- YOU MAY
SCORE/BEND THE SHAFT AND ALSO DAMAGE THE BEARINGS) AND FIT CIRCLIPS ON TOP AND
BOTTOM GROOVES ON SHAFT. (IF THE BEARINGS ARE SHRINK FITTED ON THE SHAFT, HEAT
THE BEARINGS IN OIL TO A MAXIMUM TEMPERATURE OF 120 DEGREES CELSIUS AS A HIGHER
TEMPERATURE WILL LIQUEFY THE GREASE IN THE BEARING AND RENDER THE SAME
UNUSABLE). DO NOT REUSE OLD BEARINGS THAT HAVE BEEN PULLED OFF.
5. SLIDE LOWER BEARING BRACKET (17) ON TO LOWER BEARING AND ALIGN FOUR NOS.
HOLES ON BEARING COVER WITH THE TAPPED HOLES ON LOWER BEARING BRACKET. FIT THE
BOLTS(84) AND TIGHTEN BEARING COVER.
6. FIT COMPLETE ROTOR ASSEMBLY IN STATOR HOUSING GUIDING UPPER BEARING IN TOP
BEARING BRACKET SEAT. TIGHTEN BOLTS. FIT UPPER TC SEAT IN LOWER BEARING BRACKET
(LIGHTLY OIL THE RUBBER SEAT CUP -- ENSURE THE SEAT SITS SQUARE IN THE BRACKET)
AND SLIDE ON UPPER SEAL ASSEMBLY ON ROTOR SHAFT. (USE SEAL ASSEMBLY MANDREL
(T9004) TO ASSIST IN SLIDING BELLOWS ON TO THE SHAFT). LIGHTLY OIL THE ROTOR
SHAFT BEFORE PUSHING BELLOWS ON SHAFT. USE EXTREME CARE SO THAT THE SEAL FACES
ARE NOT DAMAGED. SLIDE ON CIRCLIP (78) AND FIT IN GROOVE ON SHAFT.
7. PRESS HOME BY HAND LOWER SEAL TUNGSTEN CARBIDE SEAT INTO SEAL HOUSING (38).
LIGHTLY OIL THE RUBBER SEAT CUP BEFORE PRESSING IN CAVITY. THE SEAT MUST SIT
SQUARE IN THE HOUSING.
8. FIT SEAL HOUSING (38) INTO LOWER BRACKET AND TIGHTEN NUTS (51).
9. SLIDE ON LOWER SEAL ASSEMBLY ON SHAFT. APPLY LIGHT COAT OF OIL ON SHAFT
BEFORE SLIDING BELLOWS ON THE SAME. (USE SAME SEAL MANDREL AS USED FOR THE
UPPER SEAL TO SLIDE BELLOWS ON SHAFT). FIT CIRCLIP (78) AS FOR THE UPPER SEAL
ASSEMBLY AND INSTALL CAP FOR CIRCLIP (77)
10. PRESS SAND GUARD (76) INTO SEAL HOUSING (USE A HAND PRESS OR USE A NYLON
HAMMER)
11. TURN OIL BAG INSIDE OUT AND FIT OIL BAG "VEE" SECTION INTO GROOVE IN SEAL
HOUSING. USING SMALL OIL BAG CLAMPS AND SCREWS & NUTS, CLAMP THE OIL BAG TO THE
SEAL HOLDER. TURN OIL BAG TO CLAMP THE LARGER SIDE “O” SECTION INTO THE GROOVE
IN THE LOWER BEARING BRACKET IN THE SAME WAY. COMPRESS THE OIL BAG AND SLIDE
THE OIL BAG RING OVER THE OIL BAG TILL IT SEATS AGAINST THE LOWER BEARING
BRACKET. ALIGN THE FOUR HOLES IN THE OIL BAG RING WITH THE TAPPED HOLES IN THE
LOWER BEARING BRACKET AND TIGHTEN THE OIL BAG RING WITH THE HELP OF THE SOCKET
HEAD CAP SCREWS.
12. FIT ONE DRAIN PLUG WITH "O" RING IN LOWER BEARING BRACKET AND FILL OIL IN
THE OIL BAG. PERIODICALLY PRESS THE OIL BAG TO LET AIR ESCAPE SO THAT FILLING
IS PROPER AND NO AIR IS ENTRAPPED IN THE OIL BAG. REPLACE PLUG WITH "O" RING.