Murray Lawn Mower 7800864 User Manual

Parts Manual  
Walk Behind Mower  
Models  
Mfg. No.  
7800864  
Description  
EM2045, 4.5GT 20" Walk Behind Mower, CE (2012)  
7800888  
MD20450FC, 4.5GT 20" Walk Behind Mower, CE (2012)  
Manual Part No. 1754788  
Revision  
Rev. Date: 3/5/2012  
-
 
Table Of Contents  
PRODUCT COMPONENTS  
PAGES  
Handle Assembly .................................................................................................................................................  
Deck & Engine Group ..........................................................................................................................................  
Decal Group .........................................................................................................................................................  
4
6
8
Torque Specification Chart ..................................................................... Inside Back Cover  
 
Handle Assembly  
NOTE: Unless noted otherwise,  
use the standard hardware torque  
specification chart.  
7800711ha  
The above parts group applies to the following Mfg. Nos.:  
7800864 - EM2045  
7800888 - MD20450FC  
© Copyright 2012 by Briggs & Stratton Corporation  
Milwaukee, WI, USA. All rights reserved  
4
1754788  
 
Handle Assembly  
REF NO PART NO.  
QTY. DESCRIPTION  
1
7301150AYP  
1101454E701MA  
7104326AYP  
1101093MA  
043956MA  
2
1
1
1
1
9
4
2
1
4
HANDLE  
3
BRACKET, Stop Lever  
LEVER, Stop  
4
6
CABLE, Stop  
7
GUIDE, Rope  
8
1908125MA  
7090947YP  
7024641YP  
1101352MA  
1931317SM  
NUT, Hex Nylock, 1/4-20  
BOLT, Carriage, Short Neck, 1/4-20 x 1-3/8  
WIRE TIE, 5.5"  
9
10a  
10b  
11  
CLIP, CABLE  
BOLT, Carriage, Short Neck, 1/4-20 x 3/4, G5  
Footnotes  
The above parts group applies to the following Mfg. Nos.:  
7800864 - EM2045  
7800888 - MD20450FC  
© Copyright 2012 by Briggs & Stratton Corporation  
Milwaukee, WI, USA. All rights reserved  
5
1754788  
 
Deck & Engine Group  
NOTE: Unless noted otherwise,  
use the standard hardware torque  
specification chart.  
7800711dk  
The above parts group applies to the following Mfg. Nos.:  
7800864 - EM2045  
7800888 - MD20450FC  
© Copyright 2012 by Briggs & Stratton Corporation  
Milwaukee, WI, USA. All rights reserved  
6
1754788  
 
Deck & Engine Group  
REF NO PART NO.  
QTY. DESCRIPTION  
1
1
09T502-3121-H1  
09L602-0110-F1  
1
* ENGINE, 450 Series, Briggs & Stratton (Engine Model: 09T502-0121-B1) (Used on  
EM2045)  
1
* ENGINE, 450 Series, Briggs & Stratton (Engine Model: 09L602-0110-F1) (Used on  
MD20450FC)  
2
-----  
1
3
4
4
4
4
2
1
1
2
2
2
1
1
1
2
1
1
4
1
HOUSING, 20"  
3
7090324SM  
009X10MA  
7101738YP  
7102068YP  
17X168ZMA  
26X245MA  
7300714YP  
671912MA  
01X121MA  
017X37MA  
1908125MA  
671929MA  
071056MA  
042785E701MA  
17X137MA  
1918266SM  
01X142MA  
1499MA  
CAPSCREW, Hex Washer Head, Self Tap, 3/8C x 1  
BOLT, Shoulder, 3/8-16 x 2  
WHEEL, 6 x 1.50 (Used on EM2045)  
WHEEL, 7 x 1.50 (Used On MD20450FC)  
WASHER, Flat, 3/8  
4
5
5
6
7
CAPSCREW, Hex Washer Head, SEMS, #10 x 1/2  
EXTENSION  
8
9
GUARD, Rear  
10  
11  
13  
14  
15  
16  
17  
18  
19  
20  
21  
BOLT, Hex, 1/4-20 x 3/4  
WASHER, 1/4  
NUT, Hex Nylock, 1/4-20  
DEFLECTOR  
ADAPTER, Blade  
BLADE, 20"  
WASHER, Blade  
WASHER, 3/8  
BOLT, Hex, 3/8-24 x 1-1/2  
NUT, Hex Flange, Serrated, 3/8-16  
WASHER, Plain, .40  
17X191MA  
Footnotes  
Note* To verify your specific engine model, please reference the ID Tag located on your engine. See your local Briggs &  
Stratton distributor for parts and service.  
The above parts group applies to the following Mfg. Nos.:  
7800864 - EM2045  
7800888 - MD20450FC  
© Copyright 2012 by Briggs & Stratton Corporation  
Milwaukee, WI, USA. All rights reserved  
7
1754788  
 
Decal Group  
NOTE: Unless noted otherwise,  
use the standard hardware torque  
specification chart.  
7800864dcl  
The above parts group applies to the following Mfg. Nos.:  
7800864 - EM2045  
7800888 - MD20450FC  
© Copyright 2012 by Briggs & Stratton Corporation  
Milwaukee, WI, USA. All rights reserved  
8
1754788  
 
Decal Group  
REF NO PART NO.  
QTY. DESCRIPTION  
1
2
3
3
4
5
6
7
7029782MA  
7104063YP  
7102124YP  
7102124YP  
7101084YP  
7101495YP  
7103405YP  
7103406YP  
1
1
1
1
1
1
1
1
DECAL, OPC BAIL  
DECAL, 450 Series  
DECAL, Logo, Deck (Used on EM2045)  
DECAL, Logo, Deck (Used on MD2045FC)  
DECAL, Warning, Multi Panel (Used on EM2045)  
DECAL, CPSC, FR / NG (Used on MD2045FC)  
DECAL, Danger, FR / ENG (Used on MD2045FC)  
DECAL, Warning, FR / ENG (Used on MD2045FC)  
Footnotes  
The above parts group applies to the following Mfg. Nos.:  
7800864 - EM2045  
7800888 - MD20450FC  
© Copyright 2012 by Briggs & Stratton Corporation  
Milwaukee, WI, USA. All rights reserved  
9
1754788  
 
 
Hardware Identification & Torque Specifications  
Torque Specification Chart  
Torque Specification Chart  
FOR STANDARD METRIC MACHINE HARDWARE (Tolerance 20%)  
FOR STANDARD MACHINE HARDWARE (Tolerance 20%)  
No  
Marks  
Property  
Class  
Hardware  
Grade  
5.6  
8.8  
10.9  
12.9  
SAE Grade 2  
SAE Grade 5  
in/lbs  
SAE Grade 8  
in/lbs  
Class 5.6  
Class 10.9  
Class 8.8  
Class 12.9  
Size Of  
in/lbs  
Hardware ft/lbs  
in/lbs  
ft/lbs Nm.  
in/lbs  
in/lbs  
ft/lbs Nm. ft/lbs  
in/lbs  
Nm. ft/lbs  
Size Of  
Hardware  
Nm.  
2.1  
2.3  
3.1  
3.5  
7.6  
ft/lbs  
Nm.  
ft/lbs  
Nm.  
Nm.  
.56  
M3  
M4  
M5  
M6  
M7  
M8  
M10  
M12  
M14  
M16  
M18  
M20  
M22  
M24  
M27  
M30  
M33  
M36  
M39  
13.44 1.28 19.2  
30.72 2.90 43.44  
60.96 5.75 5.97  
1.80 22.92 2.15  
4.10 52.56 4.95  
9.7  
8-32  
8-36  
19  
20  
27  
31  
66  
76  
11  
12  
20  
23  
30  
35  
50  
55  
65  
30  
31  
43  
49  
8
10  
17  
19  
30  
35  
50  
55  
3.4  
3.5  
4.9  
41  
43  
60  
4.6  
4.9  
6.8  
5.88  
1.28  
13.44  
26.4 2.50  
8.10  
14  
7.15  
12.1  
19.9  
29  
10-24  
10-32  
1/4-20  
1/4-28  
5/16-18  
5/16-24  
3/8-16  
3/8-24  
7/16-14  
7/16-20  
1/2-13  
1/2-20  
9/16-12  
9/16-18  
5/8-11  
5/8-18  
3/4-10  
3/4-16  
7/8-9  
4.3  
7.1  
10.5  
21  
36  
16.5  
27  
40  
44.64  
5.2  
7.7  
15  
7.3  
10.3  
5.5  
68  
7.7  
9.9  
12.1 16.5 16.9  
23  
34  
67  
10.9  
13.6  
23.1  
25.8  
40.8  
47.6  
68.0  
74.8  
12  
16.3  
25  
50  
17.7  
35  
61  
24  
48  
8.6  
14  
19.0  
59  
81  
15.0  
16.3  
27.2  
31.3  
40.8  
47.6  
68.0  
74.8  
88.4  
25  
34.0  
83 86.2  
117  
185  
285  
390  
550  
745  
960  
103  
162  
250  
346  
486  
656  
140  
220  
340  
470  
660  
890  
29  
34.0  
26  
101  
147  
202  
290  
390  
497  
733  
132  
136  
210  
287  
405  
559  
708  
45  
61.2  
42  
58  
200  
275  
390  
530  
375  
50  
68.0  
64  
88  
89  
121  
70  
95.2  
126  
169  
217  
320  
435  
590  
759  
80  
108.8  
149.6  
163.2  
204.0  
231.2  
299.2  
326.4  
525.0  
571.2  
816.0  
897.6  
171  
230  
295  
435  
590  
800  
75 102.0  
90 122.4  
110 149.6  
120 163.2  
150 204.0  
180 244.8  
260 353.6  
300 408.0  
400 544.0  
440 598.4  
580 788.8  
110  
120  
150  
170  
220  
240  
386  
420  
600  
660  
840 1140  
1239 1680  
1681 2280  
2278 3090  
2935 3980  
995 1032 1400  
995 1350 1401 1900  
75 102.0  
90 122.4  
100 136  
160 217.6  
180 244.8  
140 190.4  
155 210.8  
220 299.2  
240 326.4  
1902 2580  
2441 3310  
1349 1830  
1030 1740  
2360  
5150  
3798  
1340 2249 3050 3163 4290  
988  
The guides and ruler furnished below are designed to  
help you select the appropriate hardware.  
7/8-14  
1-8  
1-12  
900 1,244.0  
640 870.4 1,000 1,360.0  
20  
40  
60  
80  
0
10  
30  
50  
70  
90  
100  
NOTES  
1. These torque values are to be used for all hardware  
excluding: locknuts, self-tapping screws, thread forming  
screws, sheet metal screws and socket head setscrews.  
Body  
Diameter  
Body Length  
2. Recommended seating torque values for locknuts:  
a. for prevailing torque locknuts - use 65% of grade 5  
torques.  
b. for flange whizlock nuts and screws - use 135% of  
grade 5 torques.  
3. Unless otherwise noted on assembly drawings, all torque  
values must meet this specification.  
Nut, M8  
Screw, M8- 1.25 x 25  
Distance between  
Thread  
Diameter (mm)  
Thread  
Body  
Length (mm)  
threads (mm)  
Diameter (mm)  
Body  
Body  
Length (in)  
Threads  
per inch  
Inside Threads  
Diameter (in) per inch  
Diameter  
Screw, 1/2- 16 x 2  
Nut, 1/2-16  
Common Hardware Types  
3
0
1
2
4
1/2  
1/2  
1/2  
1/2  
1/4  
3/4  
1/4  
3/4  
1/4  
3/4  
1/4  
3/4  
Hex Head Capscrew  
Washer  
Standard Hardware Sizing  
When a washer or nut is identified as 1/2” (M8), this is  
Lockwasher  
Carriage Bolt  
the Nominal size, meaning the inside diameter is 1/2 inch  
Hex Nut  
(8mm metric thread diameter); if a second number is present  
it represents the threads per inch (distance between threads).  
Wrench & Fastener Size Guide  
When bolt or capscrew is identified as 1/2 - 16 x 2” (M8 - 1.25 x 50 ),  
this means the Nominal size, or body diameter is 1/2 inch (8mm  
metric thread diameter), the second number,16, represents the  
threads per inch, (1.25 thread diameter). The final number is the  
body length of the bolt or screw, 2 inches (50mm).  
1/4” Bolt or Nut  
Wrench—7/16”  
5/16” Bolt or Nut  
Wrench—1/2”  
3/8” Bolt or Nut  
Wrench—9/16”  
7/16” Bolt or Nut  
Wrench (Bolt)—5/8”  
Wrench (Nut)—11/16”  
1/2” Bolt or Nut  
Wrench—3/4”  
M6 Bolt or Nut  
Wrench—10mm  
M8 Bolt or Nut  
Wrench—13mm  
M10 Bolt or Nut  
Wrench—17mm  
M14 Bolt or Nut  
Wrench—22 mm  
M12 Bolt or Nut  
Wrench—19mm  
 
IT IS THE POLICY OF BRIGGS & STRATTON CORP. TO IMPROVE ITS PRODUCTS  
WHENEVER IT IS POSSIBLE AND PRACTICAL TO DO SO. WE RESERVE THE RIGHT TO  
MAKE CHANGES OR ADD IMPROVEMENTS AT ANY TIME WITHOUT INCURRING ANY  
OBLIGATION TO MAKE SUCH CHANGES ON PRODUCTS.  
Briggs & Stratton Power Products Group  
12301 W. Wirth Street  
Wauwatosa, WI, 53222 USA  
© Copyright 2012 by Briggs & Stratton Corporation  
Milwaukee, WI, USA. All rights reserved  
 

Napoleon Fireplaces Indoor Fireplace Fireplace User Manual
NEC Server PH133 User Manual
NetComm Network Router IG6000 User Manual
NETGEAR Network Card WN511B User Manual
NETGEAR Network Router XEPS103XEPS103 User Manual
Olympus Microcassette Recorder BZ2993T4 User Manual
Omega Speaker Systems Thermometer OS520 User Manual
Omnimount TV Mount 1004114 User Manual
Oregon Scientific Weather Radio PS L02A User Manual
Panasonic Webcam HDC SD40 User Manual