WATERAX
MARK-3 Owner's Manual
03/2016
– Page 44 of 52
12. Place O-ring #29 in groove of distributor #24.
13. Using arbor press and assembly tool 700540, apply several light, downward strokes of press ram until
distributor "drops" into body and rests on previous distributor.
14. Slide impeller #22 into position, aligning with previous impeller.
15. Repeat steps 12 and 13 for remaining distributor.
16. Slide impeller #25 into position, aligning with previous impeller.
17. Place lockwasher #26 on shaft with locating tab in milled groove. Slightly bend lockwasher tab
downwards to facilitate insertion. Lockwasher tab should still prevent it from rotating on shaft.
18. Apply a small amount of Loctite 290 on lock nut #27 and screw onto shaft. Tighten to a torque value
of
250-260 in-lbs [28-29 Nm]
. To secure lock nut and prevent from rotating, bend one side of
lockwasher up onto one flat side of hexagon lock nut. Bend the lockwasher side that is at the opposite
side of the milled slot in the shaft.
19. Place O-ring #8 in groove of suction cover. Press cover into pump body until it rests on distributor.
20. Install suction cover using screws #11 and lockwashers #10. Tighten screws evenly and firmly to a
torque value of
32-36 in-lbs [3.6-4.1 Nm]
.
21. Attach shaft nose #14. Tighten screw firmly to a torque value of
32-36 in-lbs [3.6-4.1 Nm]
.
22. Reinstall remaining protective caps and adaptors.
Pump Test
The best way to verify the condition of your pump unit is to proceed with an actual performance test.
ID
ITEM NO
DESCRIPTION
QTY
- 250137
A-2388 PUMP TEST KIT
-
1 700555
A-2389 TOOL AND ACCESSORY BOX
1
2 700548
A-2395B CALIBRATED NOZZLE TIP 1/4"
1
3 700546
A-2395D CALIBRATED NOZZLE TIP 3/8"
1
4 600427
C-1933 NOZZLE 1-1/2"NPSH, ALU.
1
5 700545
A-2391 RUBBER HOSE ASSEMBLY 27" LG
1
6 700552
A-2391B ADP, FEM NPT - SWIVEL FEM
1
7 700560
A-2392 PRESSURE GAUGE (DRY) 0-400 PSI
1
8 600061
A-2390 PRESSURE GAUGE ADAPTOR 1-1/2"
NPSH
1
9 400022
HOSE SPEC 187 1.5 NPSH X 10" CPLG AL
1
Nozzle Size
1/2" [12.7 mm]
3/8” [9.5 mm]
1/4" [6.4 mm]
Min. Pressure
Range
100-105 psi
6.9-7.2 bar
165-170 psi
11.4-11.7 bar
255-260 psi
17.6-17.9 bar
Note: Performance can vary depending on test conditions
Pump Tool Kit
ID
ITEM NO
DESCRIPTION
QTY
- 250158
R-900 TOOL KIT FOR MARK-3 PUMP
-
1 800081
R-908 WRENCH - OPEN END 5 & 8 MM
2
2 700541
A-3023 CARBURETTOR ADJUSTING TOOL
1
3 800492
R-902 SCREWDRIVER 1/8" BLADE
1
4 700539
271-928 6MM T-HANDLE HEX 10.5" LG
1
5 800084
R-904 WRENCH - SPARK PLUG
1
6 800082
R-905 HANDLE - ROD
1
7 700732
R-903 FEELER GAUGE 32 BLADES
1
8 800700
271-346 SCREWDRIVER FLAT 1/4" X 4"
1
9 700538
271-923 WRENCH - ADJUSTABLE 8"
1
10 700726
R-910 WRENCH - OPEN END 1/2" & 9/16"
1
11 600153
R-911M WRENCH, BOX & OPEN END 13MM
1
12 600160
R-906M WRENCH, BOX & OPEN END 10 MM
1
13 700537
271-488 TOOL ROLL BAG
1
- 700734* PART-117 GREASE GUN U.S. STYLE
1
* Grease gun not included in tool kit. Can be ordered separately.
