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Positive Displacement Pump - Operation
LN-9415-01
12
DLC COATED FLUSHABLE PUMP—Cont’d
PUMP REASSEMBLY
1. Install new seal (#10) into front plate.
Press seal into place using deep well
socket or equivalent press tool. Spring
side of seal faces down, press until flush.
2. Install new O-rings (#8 & #9) onto bottom
plate.
3. Place driven gear (#5) back onto fixed
shaft on bottom plate.
4. Install middle plate (#4).
5. Install drive shaft and gear (#6) into bot-
tom plate assembly.
6. Install O-rings (#8 & #9) into grooves on
top of plate.
7. Assemble top plate (#3) onto pump as-
sembly
8. Press alignment pins back into pump
carefully.
9. Reinstall bolts (#1), and tighten in a star
pattern. Torque to 13 Lb-Ft (15 Nm).
Note: Drive shaft of pump should be man-
ually turned during the bolt tightening pro-
cess to assure free spinning gears.
10.
Set alignment pins so they protrude out by
2.5mm from front plate.
FIGURE 1-4 EXPLODED PUMP VIEW
10