1、 Assembling the casing 【Assembly on the casing side】
①
Align the outer casing B (suction side) with the inner volute and fit the inner volute flange
into the outer casing B. Pull out the inner volute flange with a flat-tipped rod and firmly fit the flange
into the casing by hand. ( COM type has no flange, just have to insert.)
※ Inner volute is made of rubber.
Be careful not to damage it.
②
After inserting guide rings(2pcs),
Fit the inner volute into the outer casing A (seal side),
too.
③
Fasten the casings (outer casing A and B) with bolts(6pcs).
④
Attach the O ring to the suction plate (COM type), Fit the Suction plate into the suction cover.
Fasten with bolts(4pcs)
⑤
Attach the suction cover to the outer casing B with bolts(8pcs)
2、 Assembling the bearing 【Bearing assembly】
①
Insert bearings A and B each into the shaft with a
pressure of about 10 MPa. When inserting a bearing,
apply force on the inner race of the bearing.
Do not strain the bearing.
※ When using a hammer to insert a bearing,
ベアリングを叩かないようご注意ください。
be careful not to directly hit the shaft or bearing.
Fasten the bearing A with lock washer and bearing nut.
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Inner volute
Outer casing B
(Suction side)
Outer casing A
(Seal side)
Guide ring
Washer
Inner volute
Outer casing B(suction side)
Spring washer
Suction cover
Suction plate
O
ring
(COM
type
)
Shaft
Bearing B
Bearing A
Lock washer
Bearing nut