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Lubricate the screws (15) and loosely install them and the lockwashers (16). Torque the screws a few inch–pounds (N.m) at a time, oppositely and evenly, to 85 in–lb (9.6 N.m). 10. Reinstall the front cover (23). Fig 16 9 LUBRICATE TORQUE TO 85 in–lb (9.6 N.m) 15,16 42 43 33 22 24 23 69 34 30 21,20 18a 1818b PRESS FIT INTO 22 GREASE BEARING HEAVILY A 39 IN OUT MOTOR LEADS Fig 17 RED (+) Motor (See Fig 16 and 17.) 1. Remove the front cover (23). 2. Remove the base cover (42). Disconnect the motor leads from the positive and negative rectifier terminals. See Fig 17. 3. Remove the motor screws (20). Lift the motor (30) slightly. Holding the connecting rod (18a), pull the motor away from the housing (22). 4. Inspect the bearing (18b) in the connecting rod (18a). If it is worn or any rollers are broken, replace the bearing and connecting rod assembly (18) as instructed to the left. 5. Use your fingers to pack high quality bearing grease thoroughly in between the bearing rollers. See the CAUTION following Step 4, to the left. 6. Feed the motor leads through the rubber boot (69). Align the motor with the pins in the connecting rod housing (22). Guide the motor shaft (A) through the connecting rod bearing (18b). Spin the motor shaft to besure it moves freely. 7. Loosely install the lockwashers (21) and screws (20). Spin the motor shaft again. Alternately tighten the screws. Spin the motor shaft again. See the CAUTION, following Step 8, to the left. 8. Connect the red motor lead to the positive (+) terminal and the black motor lead to the negative (–) terminal of the rectifier (39). See Fig 17. 9. Install the base cover (42) and bumpers (43), and the front cover (23). . . PARTS DRAWING Part of 10 page 17 LUBRICATE, TORQUE TO 85 in–lb (9.6 N.m) SEE DETAIL A, page 17 PRESS FIT INTO 22 34 68 67 28 43 33 33 39 25 26 69 36 30 32 44 47 45 46 15 16 22 11 17 48 49 27 21 20 18 23 24 29 LABEL 96 LABEL 52 54 LABEL 42 80 81 84 26 41 33 82 65 38 37 31 26 25 35 LABEL PARTS DRAWING TORQUE TO 55–65 in–lb (6.2–7.4 N.m) AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 94 62 or 89 63a 63a 63 93 60 64 12a 12 14 1 3 10 9 2f 2e 2d2c2b 2a 2 APPLY SEALANT TO THREADS TORQUE TO80–100 in–lb (13.5–16 N.m) TORQUE TO280–300 in–lb (32–34 N.m) TORQUE TO470–490 in–lb (33–35 N.m) APPLY TAPE TO THREADS 55e 55a 55b 55c 55d DETAIL A DETAIL B 55 SEE DETAIL B APPLY SEALANT TO THIS END APPLY TAPE LUBRICATE LIPS OF U–CUP PACKING MUST FACE DIFFUSER. GREASE LIGHTLY WITH PETROLEUM JELLY. SEE REPAIR PARTS ON PAGE 19 PTFE PTFE PTFE PTFE PTFE PTFE . . PARTS LIST Model 218–938, Series B Includes items 1–96 Model 223–660, Series A (Basic Unit) Includes items 1–54, 65–84, 96 Ref No. Part No. Description Qty Ref No. Part No. Description Qty 1 220–930 HOUSING, valve, inlet 1 2 218–977* OUTLET VALVE KIT 39 108–219 RECTIFIER, bridge 1 Includes items 2a–2f 1 41 183–301 TERMINAL, ground 1 2a 222–349 . FITTING, outlet 1 42 181–156 COVER, base 1 2b 180–454 . GASKET 1 43 108–220 BUMPER 4 2c 107–521 . SPRING 1 44 181–231 HOSE, suction 1 2d 101–956 . BALL 1 45 181–159 NUT, coupling 1 2e 218–968 . HOUSING, seat, valve 1 46 181–160 NIPPLE, hose 1 2f 180–455 . SEAL, washer 1 47 108–231 CLAMP, hose 1 3 218–976* INLET VALVE KIT 1 48 181–163 HOUSING, filter 1 9 181–146 HOUSING, pump 1 49 181–164 FILTER 1 10 218–973* PRIMING VALVE KIT 1 52 178–342 SPRING CLIP 2 11 181–152 GUIDE, diaphragm 1 54 181–214 LABEL, identification 1 12 218–974 SWITCH, pressure Includesitem 12a 1 55 218–935 FRAME, roller12a 108–195 .O–RING 1 Includes items 55a–55e 1 14 181–209 RETAINER 1 55a 218–934 .DIFFUSER, roller 1 15 101–864 CAPSCREW, socket head, 5/16–18 x 55b 108–808 .PACKING, u–cup 1 1” long 4 55c 183–420 .NUT, retainer 1 16 104–008 LOCKWASHER, spring, 5/16” 4 55d 218–582 .FRAME, roller 1 17 275–619* DIAPHRAGM 1 55e 101–983 .SETSCREW 1 18 218–981 CONNECTING ROD & BEARING 1 60 218–954 VALVE, roller 1 20 108–237 CAPSCREW, socket head, 62 107–590 COVER, roller, 9” long, 1/2” nap 1 No. 8–32 x 0.625” 4 63 224–414 EXTENSION, 18” long21 100–079 LOCKWASHER, spring, No. 8 4 Includes item 63a 1 22 181–147 HOUSING, conn rod, Always order two 63a 166–969 .GASKET 2 of Ref No. 27 when replacing housing 1 64 108–356 HOSE, fluid, nitrile rubber, cpld 3/823 181–166 COVER, front 1 npsm(m), 25’ (7.6 m) long 1 24 108–236 SCREW, mach, filh, No. 8–32 x 0.312” 4 65 108–199 HOLDER, fuse 1 25 102–313 CAPSCREW, hex head, 1/4–20 x 1.75” 67 108–461* FUSE, electrical, 3AWG, 1–1/4 amp 1 2 68 108–223 SCREW, thd forming, pnh, No. 6 x 0.5” 1 26 100–028 LOCKWASHER, internal, 1/4” 3 69 181–218 BOOT, rubber 1 27 108–213 PIN, dowel 2 80 100–072 NUT, hex, No. 6–32 1 28 108–230 SCREW, mach, hex washer head, 81 103–181 LOCKWASHER, No. 6 1 Self-tapping, 1/4–14 x 1” 2 82 103–854 SCREW, mach, bdgh, 29 181–215 LABEL, identification 1 No. 6–32 x 0.25” 1 30 185–489 MOTOR, electric 1 84 220–890 WIRE, ground 1 31 181–180 BASE, pump 1 88 220–231 GARDEN HOSE FLUSH ADAPTER 1 32 181–182 HANDLE 1 89 107–591 COVER, roller, 9” long, 3/4” nap 1 33 108...

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