for U-bolt torque specifications. Turn the
wrench in a clockwise motion (looking up) until
the torque wrench clicks.
Spring Assembly U-Bolt High Nut Torque Values
*
Size
Torque: lbf·ft (N·m)
5/8–18
Stage 1: Hand-tighten
Stage 2: 60 (81)
Stage 3: 200 (271)
Stage 4: 180 to 230 (245 to 313)
3/4–16
Stage 1: Hand-tighten
Stage 2: 60 (81)
Stage 3: 200 (271)
Stage 4: 270 to 330 (367 to 449)
7/8–14
Stage 1: Hand-tighten
Stage 2: 60 (81)
Stage 3: 200 (271)
Stage 4: 420 to 500 (571 to 680)
1–14
Stage 1: Hand-tighten
Stage 2: 60 (81)
Stage 3: 200 (271)
Stage 4: 520 to 600 (707 to 816)
*
Tighten in a diagonal pattern as shown in
Table 1, Spring Assembly U-Bolt High Nut Torque
Values
f320783
10/05/2016
1
2
3
4
Fig. 9, Tightening Pattern for U-Bolt High Nuts
Suspension
32
Business Class M2 Maintenance Manual, August 2015
32/8
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