Positive Displacement Pump - Operation
15
LN-9415-01
DLC COATED NON-FLUSHABLE PUMP—Cont’d
PUMP REASSEMBLY
1. Slide new seal (#15) onto drive shaft approximate-
ly to the position that balloon 8 points to in figure at
left. The spring side of the seal points down.
2. Bring shaft with seal down onto front plate.
3. Press seal into place using deep well socket or
equivalent press tool. Allow shaft to move with
seal while pressing into place. A 0.002” feeler
gauge may be used as a guide to get seal started
into housing.
4. Install circlip on drive shaft closest to front plate.
5. Install key (#7). Slide on drive gear (#5) and install
second circlip.
6. Install a new O-ring (#10) on bottom plate and top
plate in appropriate O-ring grooves.
7. Place driven gear back onto fixed shaft on bottom
plate.
8. Install middle plate (#9).
9. Assemble top plate (#14) onto pump.
10. Press alignment pins back into pump carefully.
11. Reinstall bolts (#1). Tighten them in a star pattern
and torque them to13 Lb-Ft (15 Nm). Note: Drive
shaft of pump should be manually turned during
the bolt tightening process to assure free spinning
gears.
12.
Set alignment pins so they protrude out by 2.5mm
from front plate.
FIGURE 1-2 EXPLODED PUMP VIEW
15
8
14
10
9
7
5
4
2
1
6
Do Not Remove!
