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PARTS
MANUAL
Models
EX40
ENGINES
PUB-EP6516
Rev. 08/08
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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 2008 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 CRANKCASE GROUP ............................................................................... 6 CRANKSHAFT GROUP ............................................................................. 8 INTAKE and EXHAUST GROUP .............................................................. 10 GOVERNOR GROUP .............................................................................. 14 COOLING and STARTING GROUP ......................................................... 16 F
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SECTION 1 CRANKCASE GROUP FIG. 100 610 70 20 28 27 26 60 620 690 680 710 631 630 250 10 260 280 75 30 210 270 50 230 40 240 220 45 700 90 300 80 EX40 - 6 - 08-08
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SECTION 1 CRANKCASE GROUP Ref. Part Number Description Qty Remarks To-From Fig. 10 20B-10102-11 Crankcase Cp 1 100 20 20B-14202-03 Valve Guide 2 100 26 132-07AA0-50 Seal, intake valve 1 100 27 056-51000-50 Clip 1 100 28 263-35341-03 Retainer Plate 1 100 30 044-03500-90 Oil Seal 1 100 40 060-03502-40 Ball Bearing 1 100 45 X60-01500-11 Ball Bearing 1 100 50 277-15011-03 Pipe Knock 2 100 60 010-50603-51 Stud, intake 2 100 70 010-50802-90 Stud, exhaust 2 100 75 044-00800-10 Oil
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SECTION 2 CRANKSHAFT GROUP FIG. 200 310 320 360 370 350 380 70 10 390 EX40 - 8 - 08-08
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SECTION 2 CRANKSHAFT GROUP Ref. Part Number Description Qty Remarks To-From Fig. 10 20B-20901-01 Crankshaft Cp 1 1" Key 200 20B-21201-01 Crankshaft Cp 1 7/8" Taper 200 20B-21001-01 Crankshaft Cp 1 1" Pump 200 70 005-32054-01 Woodruff Key 1 200 310 20B-22501-00 Connecting Rod Ay 1 200 320 001-05084-00 Connecting Rod Bolt 2 200 350 263-23301-33 Piston Pin 1 200 360 20B-23401-H3 Piston 1 Std 200 360 20B-23403-H3 Piston 1 Oversize 0.25mm 200 360 20B-23404-H3 Piston 1 Oversize 0.50
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SECTION 3 INTAKE and EXHAUST GROUP FIG. 300 310 320 350 365 361 315 225 340 241 231 317 80 210 240 90 230 290 60 220 70 95 170 25 150 27 160 37 35 34 38 163 166 10 EX40 - 10 - 08-08
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SECTION 3 INTAKE and EXHAUST GROUP Ref. Part Number Description Qty Remarks To-From Fig. 10 20B-31601-01 Camshaft Cp 1 300 25 20B-35101-03 Pin, camshaft 1 300 27 024-00700-20 O ring 1 300 34 005-19041-00 Pin, spring 2 300 35 277-36401-03 Release lever 1 300 37 20B-36501-03 Clip 1 300 38 277-38702-03 Return Spring 1 300 60 246-33611-03 Valve Spring 2 300 70 246-33711-13 Spring Retainer 2 300 80 20B-33401-H3 Intake Valve 1 300 90 20B-33501-H3 Exhaust Valve 1 300 95 246-35501
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SECTION 3 INTAKE and EXHAUST GROUP FIG. 310 250 520 270 200 290 220 295 260 510 280 EX40 - 12 - 08-08
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SECTION 3 INTAKE and EXHAUST GROUP Ref. Part Number Description Qty Remarks To-From Fig. 510 20B-32611-H0 Air Cleaner Ay 1 Dual 315 -200 20B-32630-H8 Cleaner Body 1 315 -220 20B-32720-H8 Gasket, packing 1 315 -250 20B-32640-H8 Cover 1 315 -260 20B-32850-H8 Cap 1 315 -270 20B-32650-H8 Bolt 1 315 280 X85-11001-80 Rubber Pipe, breather 1 315 290 002-38060-00 Flange Nut 2 315 295 001-04061-60 Flange Bolt 1 315 520 20B-32610-H7 Element 1 315 EX40 - 13 - 08-08
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SECTION 4 GOVERNOR GROUP FIG. 400 450 340 80 40 345 310 311 30 10 355 480 70 60 360 485 50 370 90 435 396 490 395 436 20 50 EX40 - 14 - 08-08
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SECTION 4 GOVERNOR GROUP Ref. Part Number Description Qty Remarks To-From Fig. 10 20B-42301-03 Governor Lever 1 400 20 20B-42201-13 Governor Shaft 1 400 30 20B-42701-01 Governor Rod 1 400 40 20B-42801-13 Rod Spring 1 400 50 003-13060-00 Clip 2 400 60 001-14062-50 Bolt and Washer 1 400 70 018-60600-20 Nut 1 400 80 20B-42501-13 Governor Spring 1 400 90 003-11080-00 Washer 1 400 310 20B-43301-01 Speed Control Lever Cp 1 Std 400 20B-43351-03 Speed Control Lever 1 Generator 40
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SECTION 5 COOLING and STARTING GROUP 220 FIG. 500 707 705 20 706 210 80 18 40 60 16 10 15 17 61 81 EX40 - 16 - 08-08
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SECTION 5 COOLING and STARTING GROUP Ref. Part Number Description Qty Remarks To-From Fig. 10 20B-51201-H1 Blower Housing 1 500 15 20B-55101-02 Recoil Bracket Un 1 500 16 010-00804-40 Bolt 2 500 17 010-00804-50 Bolt 2 500 18 002-38060-00 Flange Nut 4 500 20 073-20054-70 Label, trademark 1 500 40 001-04061-60 Flange Bolt 5 500 60 001-65081-20 Bolt 1 500 61 20B-52702-H1 Baffl e 2, head 1 500 80 279-52711-11 Baffl e 1, case 1 500 81 011-00600-20 Flange Bolt 3 500 220 013-00602
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SECTION 5 COOLING and STARTING GROUP FIG. 520 -11 -8 -2 -10 -9 -3 -7 -6 -5 -1 -4 210 EX40 - 18 - 08-08
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SECTION 5 COOLING and STARTING GROUP Ref. Part Number Description Qty Remarks To-From Fig. 210 20B-50301-00 Recoil Starter Ay 1 520 -1 20B-50145-08 Starter Pulley 1 520 -2 261-50100-08 Starter Knob 1 520 -3 20B-50110-08 Starter Rope 1 520 -4 20B-50101-08 Set Screw 1 520 -5 161-50150-08 Ratchet Guide 1 520 -6 227-50135-08 Return Spring 2 520 -7 227-50131-08 Friction Spring 1 520 -8 277-50155-08 Spiral Spring 1 520 -9 161-50125-08 Ratchet 2 520 -10 20B-50120-08 Reel 1 520
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SECTION 6 FUEL, LUBRICATION GROUP FIG. 600 30 40 23 10 20 52 59 63 60 53 51 58 54 50 56 55 57 210 560 550 540 EX40 - 20 - 08-08
