Husqvarna RZ54i / 967003604 warranty Torque Specifications, Accessories, Standard Hardware

TECHNICAL DATA

Torque Specifications

Engine crankshaft bolt	75 ft/lb (100 Nm)	Standard ¼" fasteners	9 ft/lb (12 Nm)
Deck pulley bolts	75 ft/lb (100 Nm)	Standard 5/16" fasteners	18 ft/lb (25 Nm)
Lug nuts	75 ft/lb (100 Nm)	Standard 3/8" fasteners	33 ft/lb (44 Nm)
Blade bolt	55 ft/lb (75 Nm)	Standard 7/16" fasteners	52 ft/lb (70 Nm)
		Standard ½" fasteners	80 ft/lb (110 Nm)

HEX HEAD CAP SCREWS

The torque values shown should be used as a general guideline when specific torque values are not given.

U.S. Standard Hardware

Grade					SAE Grade 5		SAE Grade 8				Flangelock Screw
											w/Flangelock Nut
		Size		ft./lbs		Nm	ft./lbs	Nm		ft./lbs		Nm
or			¼	9		12	13		18
fine			5/16	18		24	28		38		24	33
inches,in			3/8	31		42	46		62		40	54
			7/16	50		68	75		108
(DiameterSize			½	75		102	115		156
	thread)
			9/16	110		150	165		224
			5/8	150		203	225		305
			¾	250		339	370		502
Shank	coarse
			11/8	782		1060	1410	1912
			7/8	378		513	591		801

** Grade 5 - Minimum commercial quality (lower quality not recommended)

Shank Size (Diameter in inches, fine or coarse thread)

Metric Standard Hardware

Grade	Grade 8.8			Grade 10.9			Grade 12.9
Size	ft./lbs	Nm	ft./lbs		Nm	ft./lbs		Nm
M4	1.5	2	2.2		3	2.7		3.6
M5	3	4	4.5		6	5.2		7
M6	5.2	7	7.5		10	8.2		11
M7	8.2	11	12		16	15		20
M8	13.5	18	18.8		25	21.8		29
M10	24	32	35.2		47	43.5		58
M12	43.5	58	62.2		83	75		100
M14	70.5	94	100		133	119		159
M16	108	144	147		196	176		235
M18	142	190	202		269	242		323
M20	195	260	275		366	330		440
M22	276	368	390		520	471		628
M24	353	470	498		664	596		794
M27	530	707	474		996	904		1205

Accessories

Collection system, mulch kit

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