Positive Displacement Pump - Operation
LN-9415-01
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DLC COATED NON-FLUSHABLE PUMP SERVICE
MODELS COVERED:
A13619-00 .3 cc/rev A13621-00 1.8 cc/rev
A13620-00 .6 cc/rev A13635-00 3.0 cc/rev
PUMP DISASSEMBLY
1. Carefully press out the alignment pins.
2. Unscrew item #1 (the 6 M6 bolts) from the
bottom of the pump.
3. Remove the top plate (#14) carefully with
drive shaft and gear.
4. To remove the drive shaft (#8) with gear
(#5), remove circlip (#6), slide gear off,
remove key, then remove second circlip.
Shaft will slide out though shaft seal (#15).
Note: it will only slide out in one direction.
5. Remove the center plate (#9) carefully.
6. Slide drive gear off of shaft.
7. Pull seal (#15) from front plate (use seal
puller or drive from opposite side). Be
careful not to damage the pump bore dur-
ing removal.
Please Note:
Driven shaft (#4) is fixed in the
body and cannot be removed.
(DO NOT AT-
TEMPT TO REMOVE THE FIXED SHAFT!)
PUMP CLEANING PROCESS
1. All parts should be cleaned with a suitable
cleaning agent.
(CLEANING WITH
ABRASIVE MATERIALS WILL DAMAGE
THE PUMP AND VOID WARRANTY!)
2. Discard all used O-rings (#10) and replace
during reassembly.
3.
Pump plates should be dried with lint free
towel and lubricated before reassembly
with wet-sol or equivalent material.
FIGURE 1-1 EXPLODED PUMP VIEW
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