Jacobsen LF 570 Technical/Repair Manual

SPECIFICATIONS AND GENERAL INFORMATION
4241262-Rev B 2-13
2
Standard Torque Values
Inch Fastener Torque Values
Metric Fastener Torque Values
NOTICE
NOTE
Jacobsen uses Grade 5 plated bolts as standard, unless
otherwise noted. When tightening plated bolts, use the
value given for lubricated.
All torque values included in these charts are
approximate and are for reference only. Use of
these torque values is at your sole risk. Jacobsen
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.
AMERICAN NATIONAL STANDARD FASTENERS
SIZE UNITS GRADE 5 GRADE 8 SIZE UNITS GRADE 5 GRADE 8
Lubricated Dry Lubricated Dry Lubricated Dry Lubricated Dry
#6-32 in-lb (Nm) – 20 (2.3) 7/16-14 ft-lb (Nm) 37 (50.1) 50 (67.8) 53 (71.8) 70 (94.9)
#8-32 in-lb (Nm) – 24 (2.7) 30 (3.4) 7/16-20 ft-lb (Nm) 42 (56.9) 55 (74.6) 59 (80.0) 78 (105)
#10-24 in-lb (Nm) – 35 (4.0) 45 (5.1) 1/2-13 ft-lb (Nm) 57 (77.2) 75 (101) 80 (108) 107 (145)
#10-32 in-lb (Nm) – 40 (4.5) 50 (5.7) 1/2-20 ft-lb (Nm) 64 (86.7) 85 (115) 90 (122) 120 (162)
#12-24
in-lb (Nm) – 50 (5.7) 65 (7.3) 9/16-12 ft-lb (Nm) 82 (111) 109 (148) 115 (156) 154 (209)
1/4-20 in-lb (Nm) 75 (8.4) 100 (11.3) 107 (12.1) 143 (16.1) 9/16-18 ft-lb (Nm) 92 (124) 122 (165) 129 (174) 172 (233)
1/4-28 in-lb (Nm) 85 (9.6) 115 (13.0) 120 (13.5) 163 (18.4) 5/8-11 ft-lb (Nm) 113 (153) 151 (204) 159 (215) 211 (286)
5/16-18 in-lb (Nm) 157 (17.7) 210 (23.7) 220 (24.8) 305 (34.4) 5/8-18 ft-lb (Nm) 128 (173) 170 (230) 180 (244) 240 (325)
5/16-24 in-lb (Nm) 173 (19.5) 230 (26.0) 245 (27.6) 325 (36.7) 3/4-10 ft-lb (Nm) 200 (271) 266 (360) 282 (382) 376 (509)
3/8-16 ft-lb (Nm) 23 (31.1) 32 (43.3) 44 (59.6) 3/4-16 ft-lb (Nm) 223 (302) 298 (404) 15 (427) 420 (569)
3/8-24 ft-lb (Nm) 26 (35.2)
31 (42.0)
35 (47.4) 37 (50.1) 50 (67.8) 7/8-14 ft-lb (Nm) 355 (481) 473 (641) 500 (678) 668 (905)
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METRIC FASTENERS
SIZE UNITS
Non-Critical
Fasteners
into
Aluminum
Lubricated Dry Lubricated Dry Lubricated Dry Lubricated Dry
M4 Nm (in-lb) 3.83 (34) 5.11 (45) 2.0 (18)
M5 Nm (in-lb) 1.80 (16) 2.40 (21) 4.63 (41) 6.18 (54) 6.63 (59) 8.84 (78) 7.75 (68) 10.3 (91) 4.0 (35)
M6 Nm (in-lb) 3.05 (27) 4.07 (36) 7.87 (69) 10.5 (93) 11.3 (102) 15.0 (133) 13.2 (117) 17.6 (156) 6.8 (60)
M8 Nm (in-lb) 7.41 (65) 9.98 (88) 19.1 (69) 25.5 (226) 27.3 (241) 36.5 (323) 32.0 (283) 42.6 (377) 17.0 (150)
M10 Nm (ft-lb) 14.7 (11) 19.6 (14) 37.8 (29) 50.5 (37) 54.1 (40) 72.2 (53) 63.3 (46) 84.4 (62) 33.9 (25)
M12 Nm (ft-lb) 25.6 (19) 34.1 (25) 66.0 (48) 88.0 (65) 94.5 (70) 125 (92) 110 (81) 147 (108) 61.0 (45)
M14 Nm (ft-lb) 40.8 (30) 54.3 (40) 105 (77) 140 (103) 150 (110) 200 (147) 175 (129) 234 (172) 94.9 (70)
4.6 8.8 10.9 12.9
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Jacobsen LF 570 Specifications

General

Brand	Jacobsen
Model	LF 570
Category	Lawn Mower
Language	English