FramoCargoPumpSD125-5/ SD150-5
INSTRUCTIONFOR MAINTENANCEAND REPAIR
No.
Date/sign.:
Page:
Rev.B:
1000-0131-4
Jan99/AGAa
10of21
22Feb06/JEB
2.3Assembling aftermaintenance
CHECKALL SEALELEMENTS, BACK-UPRINGS, SEALELEMENTGROOVES AND
SEALFACES. PAYSPECIALATTENTION TO THETEFLON RINGSAND BE
ABSOLUTESUREOFNO DEFORMATION NOR RADIALGROOVES.
NEVER INSTALL DAMAGED SEALRINGS. CHECKSEALFACES ON PUMPAND BE
SUREOFNO CORROSION, CRACKS,DIRTETC.
-USE ONLYGENUINESPAREPARTS-
ALL SCREWSAND NUTSHAVE TO BE ASSEMBLED WITH SPECIFIED TORQUE.
IFNOTORQUEISSPECIFIED,USE THEFOLLOWING TORQUE:
ACID RESISTANTBOLTSAND NUTS,QUALITYA4-80
M6M8M10 M12 M16 M20
9Nm22Nm45 Nm80 Nm190 Nm370 Nm
All bolts and nutsaretobe fastened using atorque wrench.
Acidresistant bolts must be partly coated withathin
layerof "molybdenumdisulphide"(Molykote)priorto
assembling. Apply asmall amount tothe lowerpart of
the threads, seefig. 9.
Allassembling has tobedoneinreversedway according tothedismantlingsequence.
PAYSPECIALATTENTION TO THEFOLLOWING POINTS:
Lipseal arrangement
Useassembling cylindertofix the ceramic sleeveintocorrect position. Donot removethe cylinder
beforeall Framoshaft seals has been installed. When assembling lipseals be surethat support
ring is tightened up until metallic contact. This toavoidscrews toloosen. The doublelipsealshall
be mounted as showninfig. 7, chapter2.2.
Note! The ceramic sleevemust be handled very carefullyas it is very brittleand may
crack if dropped.
ImpellerHub
Priortomounting of impellerhub, apply
athinlayerof MolykoteTP-42 tothe
shaft spline and shaft steering as shown
infig. 10.
Check that the drivering is incorrect
position at the end of the ceramic
sleeve.
When assembling impellerhub, be
careful not todamage seal rings.
Besuretolock the impellerhub bolt
properly. Lockingwashermust be
replaced. Check the shaft alignment
according tofig. 10.
0.05
DriveRing
Securingring
Lockingwasher
Hub
Lowerpartof
shaftspline
Hub
0.04
0.04
Priortomounting
applyathinlayer
of MolykoteTP-42
at theselocations
Fig.10
ß°°´·½¿¬·±²
¿®»¿
Fig. 9
