Torque Specification - Jacobsen PGM 19 Parts And Maintenance Manual

3 ADJUSTMENTS
3.9

TORQUE SPECIFICATION___________________________________________________

All torque values included in these charts are approximate and are for reference only. Use of these torque values is
at your sole risk. Textron Turf Care And Specialty Products is not responsible for any loss, claim, or damage arising
from the use of these charts. Extreme caution should always be used when using any torque value.
Textron Turf Care And Specialty Products uses Grade 5 Plated bolts as standard, unless otherwise noted. When
tightening plated bolts, use the value given for lubricated.
SIZE UNITS
Lubricated
#6-32 in-lb (Nm) –
#8-32 in-lb (Nm) –
#10-24 in-lb (Nm) –
#10-32 in-lb (Nm) –
#12-24 in-lb (Nm) –
1/4-20 in-lb (Nm) 75 (8.4)
1/4-28 in-lb (Nm) 85 (9.6)
5/16-18 in-lb (Nm) 157 (17.7)
5/16-24 in-lb (Nm) 173 (19.5)
3/8-16 ft-lb (Nm) 23 (31.1)
3/8-24 ft-lb (Nm) 26 (35.2)
SIZE UNITS
Lubricated
Nm (in-lb) –
M4
Nm (in-lb) 1.80 (16)
M5
Nm (in-lb) 3.05 (27)
M6
Nm (in-lb) 7.41 (65)
M8
Nm (ft-lb) 14.7 (11)
M10
Nm (ft-lb) 25.6 (19)
M12
Nm (ft-lb) 40.8 (30)
M14
GB-12
AMERICAN NATIONAL STANDARD FASTENERS
GRADE 5 GRADE 8
Dry Lubricated
20 (2.3) –
24 (2.7) –
35 (4.0) –
40 (4.5) –
50 (5.7) –
100 (11.3) 107 (12.1)
115 (13.0) 120 (13.5)
210 (23.7) 220 (24.8)
230 (26.0) 245 (27.6)
31 (42.0) 32 (43.3)
35 (47.4) 37 (50.1)
4.6
Dry Lubricated
– –
2.40 (21) 4.63 (41)
4.07 (36) 7.87 (69)
9.98 (88) 19.1 (69)
19.6 (14) 37.8 (29)
34.1 (25) 66.0 (48)
54.3 (40) 105 (77)
CAUTION
SIZE UNITS
Dry
– 7/16-14 ft-lb (Nm)
30 (3.4) 7/16-20 ft-lb (Nm)
45 (5.1) 1/2-13 ft-lb (Nm)
50 (5.7) 1/2-20 ft-lb (Nm)
65 (7.3) 9/16-12 ft-lb (Nm)
143 (16.1) 9/16-18 ft-lb (Nm)
163 (18.4) 5/8-11 ft-lb (Nm)
305 (34.4) 5/8-18 ft-lb (Nm)
325 (36.7) 3/4-10 ft-lb (Nm)
44 (59.6) 3/4-16 ft-lb (Nm)
50 (67.8) 7/8-14 ft-lb (Nm)
METRIC FASTENERS
8.8 10.9
Dry Lubricated
– –
6.18 (54) 6.63 (59)
10.5 (93) 11.3 (102)
25.5 (226) 27.3 (241)
50.5 (37) 54.1 (40)
88.0 (65) 94.5 (70)
140 (103) 150 (110)
GRADE 5
Lubricated Dry
37 (50.1) 50 (67.8)
42 (56.9) 55 (74.6)
57 (77.2) 75 (101)
64 (86.7) 85 (115)
82 (111) 109 (148)
92 (124) 122 (165)
113 (153) 151 (204)
128 (173) 170 (230)
200 (271) 266 (360)
223 (302) 298 404
355 (481) 473 (641)
12.9
Dry Lubricated
– 3.83 (34) 5.11 (45)
8.84 (78) 7.75 (68) 10.3 (910
15.0 (133) 13.2 (117) 17.6 (156)
36.5 (323) 32.0 (283) 42.6 (377)
72.2 (53) 63.3 (46) 84.4 (62)
125 (92) 110 (81) 147 (108)
200 (147) 175 (129) 234 (172)
GRADE 8
Lubricated Dry
53 (71.8) 70 (94.9)
59 (80.0) 78 (105)
80 (108) 107 (145)
90 (122) 120 (162)
115 (156) 154 (209)
129 (174) 172 (233)
159 (215) 211 (286)
180 (244) 240 (325)
282 (382) 376 (509)
315 (427) 420 (569)
500 (678) 668 (905)
Non Critical
Fasteners
into
Aluminum
Dry
2.0 (18)
4.0 (35)
6.8 (60)
17.0 (150)
33.9 (25)
61.0 (45)
94.9 (70)