Toro Groundsmaster 4500-D Service Manual page 14
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- Service manual (474 pages) ,
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Standard Torque for Dry, Zinc Plated and Steel Fasteners (Inch Series)
Grade 1, 5 &
Thread Size
8 with Thin
Height Nuts
in- -lb
# 6 -- 32 UNC
10 + 2
# 6 -- 40 UNF
# 8 -- 32 UNC
13 + 2
# 8 -- 36 UNF
# 10 -- 24 UNC
18 + 2
# 10 -- 32 UNF
1/4 -- 20 UNC
48 + 7
1/4 -- 28 UNF
53 + 7
5/16 -- 18 UNC
115 + 15
5/16 -- 24 UNF
138 + 17
ft- -lb
3/8 -- 16 UNC
16 + 2
3/8 -- 24 UNF
17 + 2
7/16 -- 14 UNC
27 + 3
7/16 -- 20 UNF
29 + 3
1/2 -- 13 UNC
30 + 3
1/2 -- 20 UNF
32 + 4
5/8 -- 11 UNC
65 + 10
5/8 -- 18 UNF
75 + 10
3/4 -- 10 UNC
93 + 12
3/4 -- 16 UNF
115 + 15
7/8 -- 9 UNC
140 + 20
7/8 -- 14 UNF
155 + 25
NOTE: Reduce torque values listed in the table above
by 25% for lubricated fasteners. Lubricated fasteners
are defined as threads coated with a lubricant such as
engine oil or thread sealant such as Loctite.
NOTE: Torque values may have to be reduced when
installing fasteners into threaded aluminum or brass.
The specific torque value should be determined based
on the fastener size, the aluminum or base material
strength, length of thread engagement, etc.
Product Records and Maintenance
SAE Grade 1 Bolts, Screws, Studs &
Sems with Regular Height Nuts
(SAE J995 Grade 2 or Stronger Nuts)
in- -lb
N- -cm
13 + 2
147 + 23
25 + 5
282 + 30
30 + 5
339 + 56
53 + 7
599 + 79
65 + 10
734 + 113
105 + 15
1186 + 169
128 + 17
1446 + 192
ft- -lb
N- -m
16 + 2
22 + 3
18 + 2
24 + 3
27 + 3
37 + 4
29 + 3
39 + 4
48 + 7
65 + 9
53 + 7
72 + 9
88 + 12
119 + 16
95 + 15
129 + 20
140 + 20
190 + 27
165 + 25
224 + 34
225 + 25
305 + 34
260 + 30
353 + 41
Page 2 - - 4
SAE Grade 5 Bolts, Screws, Studs &
Sems with Regular Height Nuts
(SAE J995 Grade 2 or Stronger Nuts)
in- -lb
N- -cm
15 + 2
169 + 23
17 + 2
192 + 23
29 + 3
328 + 34
31 + 4
350 + 45
42 + 5
475 + 56
48 + 5
542 + 56
100 + 10
1130 + 113
115 + 12
1299 + 136
200 + 25
2260 + 282
225 + 25
2542 + 282
ft- -lb
N- -m
30 + 3
41 + 4
35 + 4
47 + 5
50 + 5
68 + 7
55 + 6
75 + 8
75 + 8
102 + 11
85 + 9
115 + 12
150 + 15
203 + 20
170 + 18
230 + 24
265 + 27
359 + 37
300 + 30
407 + 41
430 + 45
583 + 61
475 + 48
644 + 65
NOTE: The nominal torque values listed above for
Grade 5 and 8 fasteners are based on 75% of the mini-
mum proof load specified in SAE J429. The tolerance is
approximately + 10% of the nominal torque value. Thin
height nuts include jam nuts.
Groundsmaster 4500--D/4700--D
SAE Grade 8 Bolts, Screws, Studs &
Sems with Regular Height Nuts
(SAE J995 Grade 5 or Stronger Nuts)
in- -lb
N- -cm
23 + 3
262 + 34
25 + 3
282 + 34
41 + 5
463 + 56
43 + 5
486 + 56
60 + 6
678 + 68
68 + 7
768 + 79
140 + 15
1582 + 169
160 + 17
1808 + 192
300 + 30
3390 + 339
325 + 33
3672 + 373
ft- -lb
N- -m
43 + 5
58 + 7
50 + 6
68 + 8
70 + 7
95 + 9
77 + 8
104 + 11
105 + 11
142 + 15
120 + 12
163 + 16
210 + 21
285 + 28
240 + 24
325 + 33
375 + 38
508 + 52
420 + 43
569 + 58
600 + 60
813 + 81
667 + 66
904 + 89
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