SPX FLOW Johnson Pump F35B-8 Series, Instruction Manual, Page: 10 / 52

10
Original instructions
> English
Typical applications
• Marine
Engine cooling, bilge pump, deck-wash
pump, wash-down, emptying holding
tanks.
• Industry
Liquid circulation and transfer, emptying
tanks and sump drainage, handling of
solids in suspension.
Design features
Body: Bronze
Impeller: Neoprene, EPDM or nitrile
Shaft: Stainless steel
The shaft is mounted
with two permanently
lubricated double ball
bearings
Seal: Lip seal alt. mechanical seal
Cam: Full or reduced
Connection: See "Type designation",
page 11
Pressure and capacity data
See page 45-47
Service instructions
See parts list page 12-16.
Disassembly
1. Remove the endcover and the o-ring.
2. Pull out the impeller using two screw
drivers or other suitable implements.
3. Remove the cam and wash away any
traces of sealing compound on the cam
and inside the pump body. Remove the
wear plate.
4. Remove the lip seal alt mechanical seal.
Self-priming, flexible impeller pump of bronze,
pedestal mounted
5. Remove the washer (pos 9 for F35B-
8 - F7B-8 and pos 10 for F8B-8) by
inserting a screw driver through the slot
and lever out the washer.
6. Remove the retaining ring for the bea-
ring assembly.
7. Remove the shaft with ball bearings
by pressing on the shaft end from the
impeller side.
8. Remove the ball bearings/retaining ring
and the spacer. On F35B-8, F4B-8 and
F8B-8 do not press the ball bearings
over the sealing surface.
9. Remove the O-ring from the shaft.
Assembly
1. Mount the ball bearings/retaining ring
and the spacer on the shaft. On F35B-
8, F4B-8 and F8B-8 do not press the
ball bearings over the sealing surface.
2. Mount the O-ring on the shaft (not on
F8B-8)
3. Press the shaft with ball bearings into
the body and fit the retaining ring and
washer (pos 9 for F35B-8 - F7B-8 and
pos 10 for F8B-8). Mount the o-ring pos
21 (only on the F8B-8).
4. Mount the lip seal (spring towards the
impeller) alt mechanical seal. Mount the
wear plate (pos 18).
5. Fasten the cam, but before doing so
apply sealing compound to cam and
screw in order to prevent leakage.
6. Lubricate the impeller with JP Impel-
ler Lubricant and fit it wit a rotating
movement in the intended direction of
rotation.
7. Fit the O-ring before mounting the end-
cover.
Waste handling
material recycling
At the products end of life, please dispose
of the product according to applicable law.
Where applicable, please disassemble the
product and recycle the parts material.