Robin America Engine EX40 Bedienungsanleitung
PARTS
MANUAL
EX40
ENGINES
Models
PUB-EP6516
Rev. 08/08
© Copyright 2008 Robin America, Inc.
940 Lively Blvd. • Wood Dale, IL 60191 • Phone: 630-350-8200 • Fax: 630-350-8212
HOW TO USE THIS MANUAL
Robin engines are identified by MODEL, SPECIFICATION, and CODE NUMBER. For each
model there may be many different versions called specifications. Each specification 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 significant difference.
In order the identify the correct service part number, it is important to confirm the specifica-
tion and code numbers for your engine. The specification and code number together are
know as the PRODUCT NUMBER.
All Robin 4 cycle engines have a Product Number label similar to the label illustrated below.
The Product Number Label has a 15 digit alphanumeric string that consists of the
SPECIFICATION (SPEC) number (11 digits) and the CODE number (4 digits). Please
note the illustration below:
X X X X
SPEC NO. (11 digits) CODE NO. (4 digits)
PRODUCT NO. (15 digits)
E X 4 0 0
MANUAL LAYOUT
1. SECTION NAME Parts are broadly classified 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 . The Reference number identifies the part illustration with the corresponding part number in the
part list.
4. SUBASSEMBLY SUBASSEMBLY parts of part assembly are listed below the assembly part. The subassembly
part reference number is indicated by the number led by "-" such as "-1", "-2".
5. PART NUMBER It is the number assigned for sales unit. Use the PART No. when making an order.
6. DESCRIPTION It is designation of the part.
7. QTY. Quantity of each part used for each product.
8. REMARKS This gives a distinctive feature and/or a supplementary comment for the type, the specification,
and the part concerned. It also shows part number(s) interchangeable for the part.
9. FROM-TO This section shows the CODE No. to indicate the history of progress in which improved parts
have been introduced in the product. The FROM-TO CODE No. helps to identify PART No.
being employed in the product concerned. See the examples below:
- The part is used in the product irrespective of CODE No.
2101- The part is used in the products with CODE No. of 2101 and after this number.
- 2100 The part is used in the products with CODE No. of 2100 and before this number.
1
23
4
16792
8
3
5
4
GROUP INDEX
Group Name Page
CRANKCASE GROUP............................................................................... 6
CRANKSHAFT GROUP............................................................................. 8
INTAKE and EXHAUST GROUP.............................................................. 10
GOVERNOR GROUP .............................................................................. 14
COOLING and STARTING GROUP.........................................................16
FUEL, LUBRICANT GROUP.................................................................... 18
CARBURETOR GROUP.......................................................................... 20
ELECTRIC DEVICE GROUP .................................................................. 22
ACCESSORY GROUP............................................................................. 24
SYMBOL DESCRIPTION
AY...........................ASSEMBLY
CP...........................COMPLETE
EX...........................EXPORT (from Japan)
FIG..........................FIGURE
FR...........................FRONT
"..............................INCH
INCL. ......................INCLUDE
~L............................LITER
L= ...........................LENGTH (in. mm)
L.H. (LH).................LEFT-HAND SIDE
MECH.....................MECHANICAL
NO (NON)...............NONE
OPT.........................OPTIONAL
O.S. ........................OVER SIZE
SYMBOL DESCRIPTION
P=...........................PITCH (in mm)
P.T.O. (PTO)...........POWER TAKE OFF
REF.........................REFERENCE
R.H. (RH)................RIGHT HAND SIDE
RR. .........................REAR
STD. .......................STANDARD
SW..........................SWITCH
T=...........................THICKNESS (in mm)
UN ..........................UNIT
U.S..........................UNDER SIZE
~V...........................VOLTAGE
~W..........................WATT
W/...........................WITH
W/O ........................WITHOUT
INDEX OF DESCRIPTION SYMBOLS
EX40 - 6 - 08-08
SECTION 1 CRANKCASE GROUP
FIG. 100
260
250
270
280
220
210
230
240
300
10
50
40
45
75 30
700
90
80
70 20 28
27 26
60
620
631 630
690 680
710
610
EX40 - 7 - 08-08
Ref. Part Number Description Qty Remarks To-From Fig.
SECTION 1 CRANKCASE GROUP
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 Seal 1 100
80 040-11400-30 Plug 1 100
90 021-11400-20 Gasket 1 100
210 20B-11002-11 Main Bearing Cover Cp 1 100
220 044-03500-90 Oil Seal 1 100
230 060-03502-40 Ball Bearing 1 100
240 X60-01500-11 Ball Bearing 1 100
250 20B-45003-01 Governor Gear Cp 1 100
260 277-41901-03 Governor Sleeve 1 100
270 224-63601-03 Oil Gauge 1 100
280 021-32000-50 Gasket 1 100
300 011-00803-40 Flange Bolt 8 100
610 20B-13001-01 Cylinder Head Cp 1 100
620 20B-15001-03 Gasket, cylinder head 1 100
630 011-01000-40 Flange Bolt 4 100
631 001-04083-50 Flange Bolt 2 100
680 20B-15501-01 Rocker Cover Cp 1 100
690 20B-16001-03 Gasket, rocker cover 1 100
700 031-00600-20 Dowel Pin 2 100
710 011-00600-20 Flange Bolt 4 100
960 20B-99001-07 Gasket Set 1 100
EX40 - 8 - 08-08
SECTION 2 CRANKSHAFT GROUP
FIG. 200
310
320
360 370
380
350
10 70
390
EX40 - 9 - 08-08
Ref. Part Number Description Qty Remarks To-From Fig.
SECTION 2 CRANKSHAFT GROUP
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 0.50mm 200
370 20B-23501-07 Piston Ring Set 1 Std 200
370 20B-23502-07 Piston Ring Set 1 Oversize 0.25mm 200
370 20B-23503-07 Piston Ring Set 1 Oversize 0.50mm 200
380 056-52100-20 Clip 2 200
390 20B-24101-03 Balancer Shaft 1 200
EX40 - 10 - 08-08
SECTION 3 INTAKE and EXHAUST GROUP
FIG. 300
350
310
365
315
317
340
80
90
290
225
241 231
210
240
230
60
70 220
95
320
361
170
25
27
37 35 34 38 166 163 160
10
150
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