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PARTS
MANUAL
Model
PKX401
PUMP
PUB-PP
Rev. 06/02
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940 Lively Blvd. • Wood Dale, IL 60191 • Phone: 630-350-8200 • Fax: 630-350-8212 e-mail: sales@robinamerica.com • www.robinamerica.com © Copyright 2002 Robin America, Inc.
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HOW TO USE THIS MANUAL Robin engines are identifi ed by MODEL, SPECIFICATION, and CODE NUMBER. For each model there may be many different versions called specifi cations. Each specifi cation will be unique in some way. The difference may only be the paint color or it may have a different type of PTO or some other signifi cant difference. In order the identify the correct service part number, it is important to confi rm the specifi ca- tion and code numbers for your engine. The specifi cation and cod
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MANUAL LAYOUT 1 4 3 2 1 9 6 7 2 3 5 8 4 1. SECTION NAME Parts are broadly classifi ed according to their functions. Refer to the Group Index (table of contents) for respective section name. 2. FIG. No. The FIG. number indexes the reference and part numbers to the illustration. Figure numbers that vary only in the tens place (i.e..: 700 and 710) are in a group of the same section (i.e..:Electrical Device Group). 3. REF. No
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GROUP INDEX Group Name Page PUMP FROUP ............................................................................................ 6 CRANKCASE GROUP ............................................................................... 8 CRANKSHAFT GROUP ........................................................................... 10 INTAKE and EXHAUST GROUP .............................................................. 12 GOVERNOR GROUP ..................................................................
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SECTION 1 PUMP GROUP FIG. 100 PKX401 - 6 - 06-02
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SECTION 1 PUMP GROUP REF PART NO DESCRIPTION QTY REMARKS FROM - TO FIG 110 470-01165-53 PUMP CASING 1 100 115 471-00000-41 O RING 1 100 120 470-01107-17 VOLUTE CASING 1 100 130 470-01156-64 IMPELLER 1 100 140 470-01157-64 MECHANICAL SEAL 1 100 145 470-01100-81 ADJUSTING WASHER 3 100 150 471-00000-40 O RING 1 100 170 470-01180-79 PLUG AY 2 100 180 471-00000-42 BOLT AND WASHER 12 100 210 470-01157-63 FLANGE BRACKET 1 100 280 471-00000-43 SOCKET BOLT 4 100 285 471-00000-02 SEA
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SECTION 2 CRANKCASE GROUP FIG. 200 PKX401 - 8 - 06-02
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SECTION 2 CRANKCASE GROUP REF . PART NO. DESCRIPTION QTY . REMARKS FROM-TO FIG. 10 279-10102-21 CRANKCASE CP 1 w/ Oil Sensor 200 20 237-14202-03 VALVE GUIDE 2 200 26 277-16010-01 STEM SEAL 1 200 30 044-03001-60 OIL SEAL 1 200 40 060-03003-40 BALL BEARING 1 200 50 277-15011-03 PIPE KNOCK 2 200 60 010-50802-50 STUD 2 200 70 010-50604-10 STUD 2 200 75 044-00600-20 OIL SEAL 1 200 80 040-11400-30 PLUG 2 200 90 021-11400-20 GASKET 2 200 210 279-11001-11 MAIN BEARING
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SECTION 3 CRANKSHAFT GROUP FIG. 300 PKX401 - 10 - 06-02
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SECTION 3 CRANKSHAFT GROUP REF . PART NO. DESCRIPTION QTY . REMARKS FROM-TO FIG. 10 279-20301-11 CRANKSHAFT 1 300 50 018-01800-10 FLANGE NUT 1 300 70 032-30300-10 WOODRUFF KEY 1 300 310 279-22501-20 CONNECTING ROD AY 1 300 320 279-23001-03 CONNECTING ROD BOLT 2 300 350 279-23301-03 PISTON PIN 1 300 360 279-23401-03 PISTON 1 300 370 279-23511-07 PISTON RING SET 1 300 380 056-51800-10 CLIP 2 300 PKX401 - 11 - 06-02
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SECTION 4 INTAKE and EXHAUST GROUP FIG. 400 PKX401 - 12 - 06-02
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SECTION 4 INTAKE and EXHAUST GROUP REF . PART NO. DESCRIPTION QTY . REMARKS FROM-TO FIG. 10 279-31601-01 CAMSHAFT CP 1 400 25 277-35101-03 PIN, camshaft 1 400 27 024-00600-10 O RING 1 400 34 277-38601-03 PIN, spring 1 400 35 279-36401-03 RELEASE LEVER 1 400 37 277-36501-03 CLIP 1 400 38 277-38701-03 RETURN SPRING 1 400 60 279-33601-03 VALVE SPRING 2 400 70 132-09KA0-40 RETAINER VALVE SPRING 2 400 80 279-33401-13 INTAKE VALVE 1 400 90 279-33501-13 EXHAUST VALVE 1
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SECTION 4 INTAKE and EXHAUST GROUP FIG. 410 PKX401 - 14 - 06-02
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SECTION 4 INTAKE and EXHAUST GROUP REF . PART NO. DESCRIPTION QTY . REMARKS FROM-TO FIG. 510 279-32611-00 AIR CLEANER AY 1 410 -200 279-32630-08 CASE 1 410 -220 279-32650-08 GASKET 1 410 -250 279-32640-08 COVER 1 410 -260 279-32730-08 LABEL 1 410 520 279-32603-08 ELEMENT 1 410 570 002-38060-00 FLANGE NUT 1 410 580 011-00600-50 FLANGE BOLT 1 410 PKX401 - 15 - 06-02
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SECTION 5 GOVERNOR GROUP FIG. 500 PKX401 - 16 - 06-02
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SECTION 5 GOVERNOR GROUP REF . PART NO. DESCRIPTION QTY . REMARKS FROM-TO FIG. 10 279-42301-13 GOVERNOR LEVER 1 500 20 277-42201-13 GOVERNOR SHAFT 1 500 30 279-42701-01 GOVERNOR ROD CP 1 500 40 277-42801-13 ROD SPRING 1 500 50 003-13050-00 CLIP 1 500 60 001-14062-50 BOLT and WASHER AY 1 500 70 018-60600-20 NUT 1 500 80 279-42502-03 GOVERNOR SPRING 1 500 310 279-43302-01 SPEED CONTROL LEVER 1 500 340 277-43501-03 STOP PLATE 1 500 350 020-00601-70 WASHER 1 500
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SECTION 6 COOLING and STARTING GROUP FIG. 600 PKX401 - 18 - 06-02
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SECTION 6 COOLING and STARTING GROUP REF . PART NO. DESCRIPTION QTY . REMARKS FROM-TO FIG. 10 279-51201-01 BLOWER HOUSING 1 Yellow 600 20 073-20051-40 LABEL, trademark 1 600 40 011-00600-20 FLANGE BOLT 4 600 60 279-52711-11 BAFFLE 1 CP, case 1 600 61 279-52702-03 BAFFLE 2, head 1 600 80 001-65081-20 BOLT 1 600 81 011-00600-20 FLANGE BOLT 1 600 210 279-50202-00 RECOIL STARTER AY 1 600 -1 226-50716-08 SPIRAL SPRING 1 600 -2 279-50120-08 REEL 1 600 -3 279-5010-08 S
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SECTION 7 FUEL, LUBRICATION GROUP FIG. 700 50 PKX401 - 20 - 06-02
