Murray 22" Cut Walk Behind Mower

Manufacturing Number: MNA153003

Model Year: 2024

Revisions

Revision	Revision Date	Nature of Revision
1.0	16-Jul-2021	Initial Release
1.1	14-Mar-2024	Updated PN for item 13 of the "Deck and Catcher Group" on pages 4-5. Item 13 (Spring): PN 84005393 >>> PN 2102800021A Updated PN for item 72 of the "Drive Group" on page 8-9. Item 72 (V-Belt): PN 84005369 >>> PN 2102700002A
1.2	06-Mar-2025	Updated PN for item 66 of the "Handles & Controls Group" on pages 12-13. Item 66 (Bail Assembly): PN 84006828 >>> PN 21063003360323A

Deck & Catcher Group
Drive Group
Engine & Blade Group
Handles & Controls Group
Wheels Group
Torque Specification Chart

Deck & Catcher Group

Diagram Description: This section illustrates the components of the deck and catcher assembly. Key parts include the catcher grass (37), dust cover (38), catcher frame (39), and the main deck (74). Various kits like the Washout Port Kit (0977) and Deflector Rear Kit (0996) are also shown with their respective components such as nuts, washers, spools, and seals. Other assemblies include bracket kits (1120, 1121, 1124, 1125) and housing kits (1122).

Ref No	Part No	Qty	Description
13	2102800021A	1	SPRING
37	84006819	1	CATCHER, Grass
38	84005389	1	COVER, Dust
39	84005390	1	FRAME, Catcher, Grass
74		1	DECK
0977	84005375	1	KIT, Washout Port (Incl. Ref. Nos. 75, 76, 77, 78, 79)
75		1	NUT
76		1	WASHER, Lock
77		1	SPOOL, Washport
78		1	SEAL, Ring
79		1	NUT, Washport
0996	84005376	1	KIT, Deflector, Rear (Incl. Ref. Nos. 43, 44, 45, 46, 47)
43		2	NUT, Lock
44		1	SHAFT, Rear Cover
45		1	SPRING, Right
46		1	COVER, Rear
47		1	SPRING, Left
0998	84005378	1	KIT, Clamp, Cable Guide (Incl. Ref. Nos. 80, 81)
80		1	SCREW
81		1	CLAMP, Cable Guide
1120	84006820	1	KIT, Housing, Rear (Incl. Ref. Nos. 12, 41, 42, 48, 49)
12		2	SCREW
41		4	NUT, Lock
42		1	HOUSING, Rear
48		4	BOLT
49		2	SCREW
1121	84006821	1	KIT, Bracket, Left (Incl. Ref. Nos. 12, 41, 48, 49, 51)
12		1	SCREW
41		2	NUT, Lock
48		2	BOLT
49		1	SCREW
51		1	BRACKET, Left
1122	84006823	1	KIT, Cover, Drive Housing (Incl. Ref. Nos. 9, 11)
9		11	SCREW
11		1	HOUSING, Front
1124	84006824	1	KIT, Housing, Front (Incl. Ref. Nos. 9, 10, 12)
9		11	SCREW
10		1	HOUSING, Front
12		5	SCREW
1125	84006822	1	KIT, Bracket, Right (Incl. Ref. Nos. 12, 41, 48, 49, 50)
12		1	SCREW
41		2	NUT, Lock
48		2	BOLT
49		1	SCREW
50		1	BRACKET, Right
1158	84006825	1	KIT, Plug (Incl. Ref. Nos. 9, 40)
9		4	SCREW
40		1	PLUG, Rear
1500	84005381	1	KIT, Bracket (Incl. Ref. Nos. 14, 15)
14		1	BRACKET
15		2	SCREW, Hex Head

Drive Group

Diagram Description: This section details the drive system components. It includes the V-Belt (72), transmission assembly (35), pulley assembly (1126), and various keys (6, 8) and pulleys (7). The drive gear assemblies for the left (1128) and right (1129) sides are also shown, comprising plates (29), washers (30, 33), gears (31, 36), and pins (32). Other components include nuts (17), washers (69), and dust covers (70, 1127).

Ref No	Part No	Qty	Description
72	2102700002A	1	V-BELT
1007	84005370	1	KIT, Transmission (Incl. Ref. Nos. 36, 39)
32		2	PIN
35		1	ASSEMBLY, Transmission
1126	84006837	1	KIT, Pulley Assembly (Incl. Ref. Nos. 6, 7, 8)
6		1	KEY, Flat
7		1	PULLEY, Drive
8		1	KEY, Flat
1127	84006838	1	KIT, Cover Dust (Incl. Ref. Nos. 17, 69, 70)
17		3	NUT, Lock
69		3	WASHER, Flat
70		1	COVER, Dust
1128	84006839	1	KIT, Drive Gear, Left (Incl. Ref. Nos. 9, 29, 30, 31, 32, 33, 34)
9		2	SCREW
29		1	PLATE, Axle
30		2	WASHER
31		1	GEAR, Drive, Left
32		1	PIN
33		1	WASHER, Flat
34		1	SLEEVE, Axle
1129	84006840	1	KIT, Drive Gear, Right (Incl. Ref. Nos. 9, 29, 30, 32, 33, 34, 36)
9		2	SCREW
29		1	PLATE, Axle
30		2	WASHER
32		1	PIN
33		1	WASHER, Flat
34		1	SLEEVE, Axle
36		1	GEAR, Drive, Right

Engine & Blade Group

Diagram Description: This section shows the engine and blade assembly. It includes bolts (71) attaching the engine (73) to the mower deck. The blade adapter kit (1114) is detailed, consisting of an adapter (4) and bushing (5). The blade kit (1234) includes the mower blade (3), adapter (4), and bushing (5), along with bolts (1) and washers (2).

Ref No	Part No	Qty	Description
71		3	BOLT
73	09P702-0294-F1	1	ENGINE (Refer to Note: *)
1114	84006841	1	KIT, Adapter (Incl. Ref. Nos. 4, 5)
4		1	ADAPTER, Blade
5		1	BUSHING, Blade
1234	84006826	1	KIT, Blade (Incl. Ref. Nos. 1, 2, 3, 4, 5)
1		1	BOLT, Blade
2		1	WASHER
3	84005313	1	BLADE, Mower
4		1	ADAPTER, Blade
5		1	BUSHING, Blade

Footnotes: Note:* Refer to your local Briggs & Stratton distributor for parts and service.

Handles & Controls Group

Diagram Description: This section illustrates the handles and control mechanisms. It includes lower (53) and upper (60) handles, wire clamps (58), rod brackets (61), and bail assemblies (66, 1130). Drive cables (67) and engine stop cables (68) are also shown. Various kits for wing knobs (1058, 1119) are detailed, containing nuts (54, 55, 57), knobs (55), washers (56), and bolts (59). Other parts include rope guide kits (0932) with guides (62) and lock nuts (63).

Ref No	Part No	Qty	Description
53	84006830	2	HANDLE, Lower
58	84006831	1	CLAMP, Wire
60	84006829	1	HANDLE, Upper
61	84005228	1	BRACKET, Rod
66	21063003360323A	1	BAIL ASSEMBLY
67	84005367	1	CABLE, Drive
68	84005366	1	CABLE, Engine Stop
0932	84005211	1	KIT, Rope Guide (Incl. Ref. Nos. 59, 60)
62		1	GUIDE, Rope
63		1	NUT, Lock
1058	84006728	2	KIT, Wing Knob, Handle (Incl. Ref. Nos. 54, 55, 56, 59)
54		1	NUT
55		1	KNOB, Wing
56		1	WASHER, Curved
59		1	BOLT, Carriage
1119	84006832	2	KIT, Wing Knob, Handle (Incl. Ref. Nos. 17, 52, 54, 55, 56, 57)
17		1	NUT, Lock
52		1	BOLT
54		1	NUT
55		1	KNOB, Wing
56		1	WASHER, Curved
57		1	BOLT
1130	84006827	1	BAIL ASSEMBLY (Incl. Ref. Nos. 64, 65)
64		1	COVER
65		1	BAIL ASSEMBLY

Wheels Group

Diagram Description: This section details the wheel assemblies. It includes front wheel kits (1059, 1116) and rear axle kits (1131). Components for the front wheel kits include wheel caps (16), lock nuts (17), flat washers (18), front wheels (19), and axle sleeves (22). The rear axle kit (1131) comprises screws (9, 23), dust covers (24), front axle (25), height adjust handles (26), rear axle (27), rear axle plates (28), and axle sleeves (34). Other kits like the Front Axle Kit (1117) are also shown.

Ref No	Part No	Qty	Description
1059	84006732	2	KIT, Wheel (Incl. Ref. Nos. 16, 17, 18, 19, 22)
16		1	CAP, Wheel
17		1	NUT, Lock
18		1	WASHER, Flat
19		1	WHEEL, Front
22		1	SLEEVE, Axle
1116	84006834	2	KIT, Wheel (Incl. Ref. Nos. 16, 17, 18, 19, 20, 21, 22)
16		1	CAP, Wheel
17		1	NUT, Lock
18		1	WASHER, Flat
19		1	WHEEL, Front
20		1	GEAR, Driven
21		6	SCREW
22		1	SLEEVE, Axle
1117	84006835	1	KIT, Front Axle (Incl. Ref. Nos. 23, 24, 25, 26)
23		2	SCREW
24		2	COVER, Dust
25		1	AXLE, Front
26		1	HANDLE, Height Adjust
1131	84006833	1	KIT, Rear Axle (Incl. Ref. Nos. 9, 23, 24, 26, 27, 28, 34)
9		4	SCREW
23		2	SCREW
24		2	COVER, Dust
26		1	HANDLE, Height Adjust
27		1	AXLE, Rear
28		2	PLATE, Rear Axle
34		2	SLEEVE, Axle

Hardware Identification & Torque Specifications

This section provides guidance on identifying hardware and applying correct torque specifications for both metric and standard machine hardware. It includes charts detailing torque values based on hardware grade and size, along with visual aids for common hardware types and sizing conventions.

Torque Specification Chart (Metric)

Size Of Hardware	Class 5.6		Class 8.8		Class 10.9		Class 12.9
Size Of Hardware	in/lbs	Nm	in/lbs	Nm	in/lbs	Nm	in/lbs	Nm
M3	5.88	.56	13.44	1.28	19.2	1.80	22.92	2.15
M4	13.44	1.28	30.72	2.90	43.44	4.10	52.56	4.95
M5	26.4	2.50	60.96	5.75	5.97	8.10	7.15	9.7
M6	44.64	4.3	7.3	9.9	10.3	14	12.1	16.5
M7		5.2		7.1	12.1	16.5	16.9	23	19.9	27
M8		7.7		10.5	17.7	24	25	34	29	40
M10		15		21	35	48	50	67	59	81
M12		26		36	61	83	86.2	117	103	140
M14		42		58	101	132	136	185	162	220
M16		64		88	147	200	210	285	250	340
M18		89		121	202	275	287	390	346	470
M20		126		171	290	390	405	550	486	660
M22		169		230	390	530	559	745	656	890
M24		217		295	497	375	708	960	840	1140
M27		320		435	733	995	1032	1400	1239	1680
M30		435		590	995	1350	1401	1900	1681	2280
M33		590		800	1349	1830	1902	2580	2278	3090
M36		759		1030	1740	2360	2441	3310	2935	3980
M39		988		1340	2249	3050	3163	4290	3798	5150

Torque Specification Chart (Standard)

Size Of Hardware	SAE Grade 2		SAE Grade 5		SAE Grade 8
Size Of Hardware	ft/lbs	Nm	ft/lbs	Nm	ft/lbs	Nm
8-32	19	2.1	30	3.4	41	4.6
8-36	20	2.3	31	3.5	43	4.9
10-24	27	3.1	43	4.9	60	6.8
10-32	31	3.5	49	5.5	68	7.7
1/4-20	66	7.6	8	10.9	12	16.3
1/4-28	76	8.6	10	13.6	14	19.0
5/16-18	11	15.0	17	23.1	25	34.0
5/16-24	12	16.3	19	25.8	29	34.0
3/8-16	20	27.2	30	40.8	45	61.2
3/8-24	23	31.3	35	47.6	50	68.0
7/16-14	30	40.8	50	68.0	70	95.2
7/16-20	35	47.6	55	74.8	80	108.8
1/2-13	50	68.0	75	102.0	110	149.6
1/2-20	55	74.8	90	122.4	120	163.2
9/16-12	65	88.4	110	149.6	150	204.0
9/16-18	75	102.0	120	163.2	170	231.2
5/8-11	90	122.4	150	204.0	220	299.2
5/8-18	100	136	180	244.8	240	326.4
3/4-10	160	217.6	260	353.6	386	525.0
3/4-16	180	244.8	300	408.0	420	571.2
7/8-9	140	190.4	400	544.0	600	816.0
7/8-14	155	210.8	440	598.4	660	897.6
1-8	220	299.2	580	788.8	900	1,244.0
1-12	240	326.4	640	870.4	1,000	1,360.0

Notes on Torque Values

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.
Recommended seating torque values for locknuts:
- For prevailing torque locknuts - use 65% of grade 5 torques.
- For flange whizlock nuts and screws - use 135% of grade 5 torques.
Unless otherwise noted on assembly drawings, all torque values must meet this specification.

Hardware Identification and Sizing

Standard Hardware Sizing: When a washer or nut is identified as 1/2" (M8), this is the Nominal size, meaning the inside diameter is 1/2 inch (8mm metric thread diameter); if a second number is present it represents the threads per inch (distance between threads). When a 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 (distance between threads). The final number is the body length of the bolt or screw, 2 inches (50mm).

Common Hardware Types

Hex Head Capscrew
Washer
Carriage Bolt
Lockwasher
Hex Nut

Wrench & Fastener Size Guide

1/4" Bolt or Nut: Wrench - 7/16"

M6 Bolt or Nut: Wrench - 10mm

5/16" Bolt or Nut: Wrench - 1/2"

M8 Bolt or Nut: Wrench - 13mm

3/8" Bolt or Nut: Wrench - 9/16"

M10 Bolt or Nut: Wrench - 17mm

7/16" Bolt or Nut: Wrench (Bolt) - 5/8", Wrench (Nut) - 11/16"

1/2" Bolt or Nut: Wrench - 3/4"

M12 Bolt or Nut: Wrench - 19mm

M14 Bolt or Nut: Wrench - 22 mm

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